superyacht fuel consumption

How Much Does It Cost To Fill a Superyacht With Fuel?

Owning a yacht is a dream for many. However, when it comes to the super-wealthy, yachts tend to increase greatly in size from fairly modest vessels to huge and luxurious superyachts with hefty price tags and running costs. 

The price of filling a superyacht with fuel depends on various factors, such as the vessel’s size and fuel tank capacity. An average 70-meter superyacht utilizing 500 liters of fuel an hour may have fuel costs around $400,000 a year, though these costs will increase significantly for larger vessels.  

Fuel is a key factor that can’t be overlooked when it comes to the operating costs of a superyacht, though it is certainly not the only cost associated with running these impressive luxury vessels. 

Average fuel costs to fill a superyacht

The amount of fuel required to fill a superyacht will vary depending on the specific yacht. Obviously, the larger a yacht is, in general the more fuel it will require, though onboard services will also make use of fuel so the degree of luxury and services on a superyacht will affect fuel usage too.  

As a working figure, the average 70-meter yacht will use around 500 liters of fuel an hour and this is just to keep the engines running without actually moving the boat. If such a vessel were to achieve cruising speeds of around 18 knots, the fuel cost per hour would be roughly around $2500.

This would equate to around $31,000 for a 12-hour cruising period (such as overnight cruising). However, fuel costs would be much greater for larger vessels. Annual fuel costs for a 71-meter yacht using 500 liters an hour could come in at around $400,000. 

The longest superyacht in the world is the Azzam , which was constructed by the German shipbuilding company Lürssen. The Azzam has an overall length of 180.65 meters and a fuel tank capacity of 1 million liters. 

This amount of fuel is equivalent to filling up almost six Boeing 747 airplanes and will contribute significantly to the running costs of this majestic vessel.

Other running costs to consider 

Fuel is one of the primary costs that potential superyacht owners may think about since the vessel won’t run without it and it regularly needs to be replaced. However, many other costs also need to be considered which are unavoidable when operating a superyacht.

A large part of monthly costs is crew salaries, both for the crew on the vessel as well as the onshore crew. While salaries will vary from one position to the next, a captain’s salary alone can range from $70,000 to $180,000 a year depending on the size of the vessel, not to mention the additional costs associated with the crew such as food and living expenses.

Regular general maintenance will also be required, as well as administrative expenses such as management and insurance costs that need to be considered as well. Further costs include berthing costs, with different ports charging different amounts per night depending on their popularity and the vessel’s size, as well as expenses related to security. 

These costs will obviously vary depending on factors such as how large the superyacht is and how many crew members it has. While one superyacht may utilize 10 crew members, another may utilize 50 crew members. 

In general superyacht owners should budget to pay around 10% of the vessel’s purchase price in annual running costs each year. For a superyacht such as the Azzam which cost around $600 million, that equates to around $60 million a year in operating and maintenance costs to keep the superyacht in tip-top condition.

A luxury price tag for a luxury pleasure

There is no denying that superyachts are luxurious purchases but their exceptionally high purchase costs and operating expenses limit them to the domain of ultra-high net worth individuals. However, many owners won’t spend more than a few weeks in total onboard their vessel each year.

With such high operating costs, it makes sense that a lot of superyachts can be chartered, with prices of around $150,000 a week fairly common, though some command much more than that, even over $1.3 million a week. Chartering a superyacht allows much of its operating costs to be covered, while still allowing the owner to enjoy their vessel at various periods throughout the year.

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Yacht fuel cost calculator - how to estimate the costs.

Yacht captains have many responsibilities when it comes to the management of their vessel. One of them is keeping track of expenses, which is why it is important to familiarize yourself with the vessel’s operational costs. Keeping a luxury superyacht afloat isn’t cheap, and many claim that the average annual cost ranks up to 10% of the vessel’s price.

From these expenses, a significant portion goes to fuel. Filling up the tank of your boat is quite pricey, which is why a growing number of boat owners want to know exactly how much they are looking to spend for their upcoming voyage. This is also important for people who want to charter a boat for their holiday.

If you’re wondering how to best estimate the costs involved, you’re in the right place. This article will help you calculate your vessel’s yacht fuel cost while giving an overview of all the criteria used as variables. To make the process even easier, we link to a yacht fuel cost calculator to help you get an indication of the expenses you’ll need to cover. Let’s delve in!

Yacht fuel cost calculator

How to estimate yacht fuel costs, how much fuel does a yacht use.

• Price of boat fuel per gallon?

Yacht fuel formula

The easiest way to calculate your fuel costs is by using a yacht fuel cost calculator. There is a great calculator available here in case you want to save time and get an approximate estimation.

As you can see, the yacht fuel cost calculator has many variables which you need to be aware of before you set out to calculate the approximate price. This is what we will be dealing with in the next few chapters.

To help you get a better understanding of the calculation process we will do things manually while giving you the exact formulas used to calculate your vessel’s fuel needs. Therefore, make sure you keep on reading.

There are several things you need to keep in mind when you first set out to estimate the total fuel cost for your next voyage. These are summarised in the following points:

• Distance of journey - The total amount of nautical miles (or km)
• Cruising speed - The (average) speed of your vessel (in knots or km/hr)
• Fuel consumption - Understanding how many gallons (or liters) of fuel are consumed per hour
• Yacht fuel price - Understanding the average market price per gallon of fuel

The first two points depend solely on your needs and personal preference, which means that they are more flexible on a subjective basis. The latter two points may require a bit of research, especially if you’re not familiar with the engine of the vessel.

In the following sections, we will delve deeper into each of the points mentioned above, and offer the required formulas to help you calculate yacht fuel cost.

Calculating distance and speed

To understand the exact distance you are looking to cover in your next voyage, you can simply use Google Maps to plan your route. The following video explains the process in detail.

As soon as your route is planned out, you can measure the distance as well, selecting the preferred method of calculation. In our case, it is best to measure in nautical miles (1nm=1,85km), as this metric is more commonly used among sea men. The yacht fuel cost calculator above has an embedded map that helps you pinpoint the journey you want to make.

Next comes the cruising speed. The number is mostly calculated in knots (nautical miles/hr). The speed with which the vessel will cruise depends on the captain onboard, but is often influenced by the owner and guests onboard. You can make a rough estimation of this number based on previous trips.

Next, we need to calculate the amount of fuel that you will likely need. To do this we need to understand the engine type, its horsepower, and several other factors.

Let’s take a marine diesel engine for example. These engines are very common on motor yachts and consume approximately 0.4 pounds of fuel per hour for each unit of horsepower. You can find fuel consumption info for your specific engine by looking it up on the web or by calling the service number.

Once you know the fuel burn rate, it’s best to add a relative error margin of 10% based on minor factors. These include weather conditions, vessel size, and drag, all of which can increase the fuel burn.

How much fuel does a yacht use per hour?

Now that you know all the variables you can go ahead and calculate the amount of fuel that your yacht will need.

• Start by calculating the fuel burn per hour based on the horsepower of the engine.
• Add a multiplier based on the cruising speed of your vessel.

A vessel with a diesel engine of 300 horsepower will most likely burn 16-17 gallons per hour, which you can then use as a guideline when calculating the travel time based on the nautical miles you are looking to cover.

Superyachts are consuming much more fuel. An average 70-meter luxury yacht will burn around 130 gallons per hour with the engines running, while the amount increases significantly when the ship is moving. On average, you are looking at ±€2000 per hour (±1000 gallons) to achieve a speed of 20 knots. Of course, the higher the cruising speed, the more fuel you will be burning per hour, which in turn makes each hour at sea more expensive.

How much does boat fuel cost per gallon?

The exact price you are looking to pay per gallon depends on the marina you find yourself in. By looking at several price points of marinas, we get the following:

• Average diesel prices range from $3.2-$3.9 per gallon
• Average petrol prices range from $7.2-$7.8 per gallon

Note that discounts usually apply whenever you choose to purchase large quantities of fuel.

Why is boat fuel so expensive?

Marine fuel pricing is heavily inflated due to low supply and high demand. In short, the limited number of fuel stations at marinas have to service all the yachts that dock, which leads to a no-choice monopoly.

That said, yacht owners are usually not that concerned about the small price spike that marinas charge as an extra. If anything, they are happy to pay due to the convenience of the service.

How much fuel does a yacht hold?

Once again, the answer to this question depends on the size of the vessel. Smaller yachts can hold around 1300 gallons of fuel, while the bigger vessels can store up to 100,000 gallons. The ship’s engineers should be able to provide this number for the vessel you command.

Now that we have a better understanding of all the variables that determine the cost of fuel, we can go ahead and take you through the calculation process step by step.

First, know the total duration of your cruise. To obtain this information, divide the number of nautical miles by the cruising speed of your vessel (knots). For example, if you want to make a journey that totals 150 nautical miles while traveling at 20 knots, the yacht fuel formula looks as follows:

Total duration = 150 nm / 20kn

Total duration = 7,5 hrs

Note that the amount of fuel consumption may end up higher than expected if:

• Sea and weather conditions are not favourable
• You plan to make short stops along the way while the engine keeps running

Next, what you want to do multiply the number of hours by the number of gallons that your engine burns on an hourly basis while moving at the speed you previously indicated. If we take, as an example, the superyacht mentioned in the previous examples, we would make the calculation as follows:

7,5 hrs x 1000 gph = 7500 gallons

Now assume that you will also make two stops along the way, an hour and a half each, in order to let the guests enjoy their time; maybe ride a jet ski.

You then multiply the added number of hours with the consumption rate of a running engine. In this case:

3 hrs x 130 gph = 390 gallons

All that is left to do now is add up the total amount of fuel needed and multiply the number with the price per gallon.

(7500+390) x $3,5 = $27615

In this example, the final cost of your will set you back a little bit more than 27 thousand dollars. Just to be safe, calculate the additional 10% (margin of error) to be prepared against unexpected mistakes. This added amount is not necessarily an ad-on when you consider chartering. Private yacht owners, however, should add the amount to their final cost.

And that's it! You should now have a better idea on the steps you need to follow to calculate the fuel costs for your yacht. While there is quite a bit of information you should keep in mind, it is best to plan out everything with detail to avoid unforeseen costs. If you enjoyed this article, check out our blog post on yacht electrical systems as well.

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This Fuel-Sipping Superyacht Can Travel More Than 6,000 Miles Between Fill-Ups

Feadship's new vitruvius-designed 190-foot najiba sets a new standard for superyacht efficiency., howard walker, howard walker's most recent stories.

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Think of it as the Prius of the seas. Najiba , the newly completed, 190-foot all-aluminum superyacht built by Dutch craftsmen at Feadship from a Vitruvius Yachts design, sips fuel like the hybrid Toyota. Well, almost.

During recent sea trials, Najiba reportedly delivered a truly astonishing fuel consumption best of just three gallons per nautical mile at its 12-knot cruising speed. That’s despite this sleek and slender motor yacht tipping the scales at 880 tons and having a couple of muscly 1,448 hp MTU 12-cylinder diesels providing the power.

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The secret, it seems, is down to the highly efficient hull design—that, and a single-minded focus on making the yacht slice through water like a hot knife through butter with minimal resistance.

The creative force behind Vitruvius , ace French designer Philippe Briand —one of his many fortes is drawing super-fast racing sailboats —penned the lines of Najiba’s lightweight alloy hull. He gave the yacht a wave-piercing plumb bow and maximum waterline, and closely worked with Feadship to reduce the effect of appendages like the propeller shafts, stabilizers and thrusters.

The real-world results that came out of the extensive sea trails included an increased top speed—from the original goal of 16 knots to 17—and a cruising-speed range of more than 6,000 nautical miles compared to the projected 5,000 miles. That’s Antibes to Miami with fuel to spare in the yacht’s 23,757-gallon fuel tanks.

The choice of using lightweight aluminum was also a major factor in increasing the yacht’s efficiency. The entire hull and superstructure were built using the alloy, while the yacht’s design called for a sleek, lower-than-usual wheelhouse to reduce wind resistance at speed.

“These results mean that despite the complexity of her development and build, we have outperformed all expectations with Najiba ,” explained Roderick de Vries, technical director of the Feadship yard in Aalsmeer, southwest of Amsterdam.

The entire hull and superstructure were built using lightweight aluminum.  Photo: Courtesy of Feadship

“It was a real ‘wow’ moment for everyone involved to see this level of efficiency achieved during sea trials. It is one thing to design such an efficient full-displacement motor yacht, but another to translate these lines and shapes into a stunning Feadship that is even faster and more fuel-efficient than we projected.”

Najiba is the fifth Vitruvius-designed yacht.  Photo: Courtesy of Feadship

Right now Najiba , which means “noble,” is with its new owner on a maiden voyage to Bergen in Norway. Chances are he won’t be looking to fill up any time soon.

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How Much Fuel Does a Yacht Use? An In-Depth Analysis

When it comes to luxury and adventure on the high seas, yachts are the epitome of both. Whether you’re a yacht owner or dreaming of chartering one for your next vacation, understanding the fuel consumption of these majestic vessels is crucial. Fuel usage not only impacts the cost of your journey but also has environmental implications. In this article, we dive into the factors affecting yacht fuel consumption and provide insights to help you estimate how much fuel a yacht uses.

Understanding Yacht Fuel Consumption

Fuel consumption in yachts is influenced by several factors, including the yacht’s size, engine type, cruising speed, and conditions at sea. Here, we break down these elements to give you a clearer picture.

Yacht Size and Engine Type

Yachts come in various sizes, from smaller 40-foot models to massive 100-foot plus luxury liners. Generally, the larger the yacht, the more fuel it consumes. Engine type also plays a significant role. Traditional diesel engines are common, but newer models may feature more efficient or hybrid engines that can impact fuel usage.

Cruising Speed

Speed is a significant factor in fuel consumption. Higher speeds increase resistance in the water, requiring more power and, consequently, more fuel. Cruising at a yacht’s optimal speed, often referred to as the “hull speed,” can help maximize fuel efficiency.

Conditions at Sea

Sea conditions can also affect fuel consumption. Smooth, calm waters allow for more efficient travel, while rough seas can increase fuel use due to the additional power needed to maintain speed and stability.

Estimating Yacht Fuel Consumption

While it’s challenging to provide a one-size-fits-all answer due to the variables involved, we can offer some general guidelines. On average, a yacht might use between 20 to 100 gallons of fuel per hour. Smaller yachts, such as those around 40 feet, tend to be on the lower end of the scale, consuming about 20 to 40 gallons per hour. Larger vessels, which are over 100 feet, can consume significantly more, sometimes exceeding 100 gallons per hour, especially at higher speeds.

Example Calculations

Let’s look at an example. For a 70-foot yacht cruising at a moderate speed of 20 knots, fuel consumption could be around 50 gallons per hour. If you’re planning a 100-mile journey, at 20 knots, it would take you approximately 5 hours. This means the total fuel consumption for the trip could be around 250 gallons.

Tips for Reducing Fuel Consumption

• Cruise at Efficient Speeds: Find and maintain your yacht’s hull speed for optimal fuel efficiency.
• Regular Maintenance: Keep the engine and hull in top condition to reduce drag and ensure the engine runs efficiently.
• Plan Your Route: Opt for the most direct route and consider current sea conditions to minimize unnecessary fuel use.
• Lighten Your Load: Only carry what you need for your journey, as extra weight can increase fuel consumption.

Understanding and managing fuel consumption is crucial for any yacht owner or enthusiast. By considering the factors outlined above and implementing fuel-saving strategies, you can enjoy the luxury of yachting more sustainably and cost-effectively. Whether planning a short excursion or a long voyage, a careful consideration of fuel use will enhance your experience on the water.

Remember, every yacht is unique, and so is its fuel consumption. For specific figures, consult your yacht’s manual or speak with a marine professional who can provide insights tailored to your vessel. Enjoy your time at sea, and sail smartly!

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• List once, post on multiple platforms (Yachtlify.com, Facebook Marketplace, Instagram, and others).
• Schedule showings and sea trials with our calendar and reminders.
• View listing engagement analytics across platforms.
• eSign, state forms, and Coast Guard forms to manage closing documentation in once place.

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The Real Costs of Owning a Superyacht [Complete Guide]

November 25, 2019 1:00 pm

Owning a  superyacht  is a status symbol available only to the world’s wealthiest individuals and corporations. Although there is no strict definition, the Red Ensign Group Yacht Code is applicable to “motor or sailing vessels of 24 meters in load line length and over…and which, at the time, is in commercial use for sport or pleasure and carries no cargo and no more than 12 passengers 1 .” There are currently just over 10,000 superyachts in the world with around 200-250 new builds delivered each year. The vast majority are  motor yachts , with sailing yachts counting for less than 20% of the total. The world’s largest private vessel, Khalifa bin Zayed Al Nahyan’s 180m (590-foot) AZZAM,  cost $600 million to build when it was delivered in 2013. Eight of the ten most expensive luxury acquisitions of all time were superyachts.

Purchase Cost

Buying a new or used superyacht will most likely cost the buyer several million dollars. Pricing varies widely based on the yacht size, age, and other factors such as builder, guest capacity, speed, range, and more. The market is worldwide and extensive. Any potential buyer would be well-advised to engage a professional, certified broker to guide them in the selection of their dream yacht and through the myriad of complications in making the purchase.

• • Financing the Purchase
• • Immediate Post Purchase Costs

Operating Costs

In years past, owners and their brokers would work on 10% of the purchase price as an estimate of annual operating costs, but the vast range of yacht size, operating location, and usage profile makes this approach less useful without giving the question more thought. Building a budget for a yacht requires consideration of the following elements:

Crew – Salary, payroll taxes, recruitment fees, uniform, health insurance, food, and travel for vacation and repatriation are all crew-related costs. A good guide for salary costs is published by Dockwalk magazine every year based on an extensive survey of the crew and placement agents. Using their most recent article as a guide, a crew of eight full-time crew on a 150-foot yacht will cost over $650,000 per year in salary alone. Get a complete crew cost breakdown.

Dockage – Unless the owner plans to spend the year at anchor, then keeping the yacht in a marina incurs a significant cost. Dockage is normally sold per foot of the yacht’s full length and per night, although contract rates for longer periods may be available. High-quality marinas in peak seasons are currently running in the $6-8 per foot per night range. Electricity, fresh water, and waste removal are all additional costs to be considered.

Fuel – The captain or engineer should be able to provide the fuel consumption per hour at any given speed, so if a yacht owner knows roughly how much he wants the boat to travel, then he can estimate the total fuel consumption and budget the fuel cost. There is also the fuel cost for generators, particularly at anchor. A typical 150-foot motor yacht cruising at 12 knots will consume in the region of 150 U.S. gallons per hour. At today’s fuel prices, that’s going to be close to $500 per hour. 500 hours per year will give us the main engine fuel budget of around $250,000. To this, we must also add the generators’ fuel consumption at anchor plus any additional cost for tenders.

Communications – Everyone onboard, crew and guests, want to remain connected to their social media, streaming services, and email. The technology available in this area moves fast and with 5G coming online, near-shore costs will likely come down. For those who want broadband speed while offshore, costs are high and depend on the upload/download speeds required. Start with an estimate of $4-5,000 per month and work from there. Additional communications costs include satellite TV subscriptions, crew cell phone costs, mail, freight, and more. Get a complete communication cost breakdown.

Maintenance, Consumables, and Other Operating Costs – Having considered crew payroll, marina costs, fuel, and internet, the budget will start to materialize. One must take all other costs into account, such as hull insurance, liability insurance, maintenance and consumables, warehousing, safety and survey costs, upkeep of the navigation outfit, computing support, car rental, and more.   

Looking for more details?

Receive the complete Cost of Yacht Ownership Guide including:

• • Offsetting Expenses With Charter
• • Superyacht Financing
• • Budget Development + More

This should not be considered a financial guide. For a more accurate estimate, contact Clive McCartney .

1 Red Ensign Group Yacht Code Section A 1.2(1) 

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Us flagged vessel, health insurance costs per crew, uniform cost per crew, training cost per crew, food cost per crew, crew turnover, hires using a professional crew agency.

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Costs of food provisions will vary dependent upon how eloborate food Preferenaces are

Location will play huge factor in food provisons and thing may have to be folws into remorte locations.

Crew is one of the largest expenses on a superyacht and critical to the owner’s enjoyment of their vessel. As the largest crew agency in the world, we know crew. Our cost calculator contains customized crew lists for yachts ranging from 80ft to 600ft with salary information based on our reference verified salary data.

Our users also have the ability to completely tailor the crew list to the specific needs, schedule and requirements of their vessel. Each yacht is unique and may have specific owner requests in addition to the yacht’s safe manning requirements.

Management of the supplemental crew costs and strategic budgeting can help avoid significant overspend on categories such as food and uniform. This tool contains default values based on our industry expertise and recommended budget for an efficiently and safely run superyacht.

To learn more about each crew position in detail, including salary ranges, please visit our yacht department directory .

Drag the sliders to modify your results. These are not linear scales and we expect most yachts to operate within the 20-80% window. Above 80% and below 20% costs increase or decrease at exaggerated levels and we only see numbers in these levels in very rare circumstances.

This sunburst diagram is interactive. You can click into each block to see the expense break down and mouse over each block for more details.

Our chart of accounts displays seven major categories, 20 sub-categories plus a further 80 detail categories for a total of 107.

Our yacht operating cost calculator is now on it’s third major revision. We start with actual yacht expense data from our yacht management accountants and then generate formulas to extrapolate out the budget for a wide range of yachts. We have been providing accounting services to large yachts for the past 18 years.

Our operating cost calculator is tuned for yachts from 80 to 600 feet. We find operating variables create the largest variances for yachts smaller than 100 feet and larger than 250 feet. We have tested the numbers the most in the range from 100 to 250 feet.

Our budget calculator factors in the fuel burn for a range of engine sizes typically seen installed on yachts by length. By dragging the green “fuel dockage” slider to the right you will increase the projected fuel burn rate and therefore the budget cost for fuel. Our default position would be for a typical displacement fuel burn. Position the slider in the 60-80% range for fuel projections for planning hulls.

Our default values produce a budget number that we believe is generous to run a yacht to a high standard. Perfect is a very expensive word to use in the yachting industry where standards are already high. Moving the crew and maintenance sliders to 80% will provide an “industry best” quality of crew and give them the maintenance budget to operate to a very high standard. If you need to go over the 80% area then you may have unusually labor intensive equipment on the yacht.

Yes, our yacht operating cost calculator can output a budget suitable for this situation. Adjust the owner use to 2 (minimum value), owner slider to 0, crew slider to 10%, Administration to 10%, Fuel and Dockage to 0, Maintenance to 10% and then Capital Repairs to 0. This will remove all of the large charges associated with owner use and vessel movement but leave the essential base maintenance and insurance in place.

Lift on and float in yacht transport is a popular way to transport yachts across large ocean passage. The yachts that this service certainly applies to are ones that may not have the motoring range or structural integrity for blue ocean cruising. The cost of transporting a yacht twice per year is put into our budget once the “Fuel Dockage” slider hits 75%. If your yacht has the range we recommend self-sufficient ocean passages whenever possible. Whilst the transport companies sell their services based upon reportedly well oiled operated schedules the reality is that your yacht may stay waiting for pickup for a week or more with no compensation due. When factoring in all secondary factors of self-sufficient passages (increased fuel, maintenance, potential storm damage, crew time off, extra delivery crew) compared with transporting your yacht (insurance, potential loading / unloading damage, loss of schedule control, no work whilst underway, crew flights, crew accommodation) we believe that there is a 100% premium associated with float in transport and a 75% premium with lift on transport compared with self-powered.

Abandoned yachts crash in value. We recommend that even if you are trying to sell your yacht that you use the yacht for a minimum of two weeks per year so that systems are tested and working every six months. There is nothing worse for a yacht than not being used. If you truly are not going to use the yacht then you should sell it immediately for the first genuine offer as every dollar you put into maintenance will not be recovered at the time of the sale.

We did not build this version with sailing yachts in mind. Early in our development of this version we decided to exclude sailing yachts as a few of the major cost drivers scale very differently for sailing yachts compared with motor yachts. For example: To calculate paint costs we reviewed the surface area of over 100 large yachts and created a formula for painted surface area to length. Sailing yachts just don’t scale in a consistent way. Similarly crew numbers don’t scale in the same manner that they do for motor yachts. If there is sufficient demand we may build a sailing selector switch into a future version of this tool.

We hate to hear when yacht owners were told by their broker to factor in 10% of the purchase price to operate the yacht. This over used saying is sadly right occasionally (particularly for newer yachts in the $20-30M range)… but just because a broken watch tells the right time twice a day you shouldn’t rely upon it to tell the time. As yachts get older their capital value decreases but their maintenance costs increase. There is no way that a fixed 10% of purchase cost rule can be true… if your broker told you this rule then you need a new yacht broker… we know some good ones. 😊

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Superyachts are the most elite asset a person can own, your own private yacht to cruise the world’s most beautiful destinations. Some yachts cross the Atlantic Ocean twice a year between the Mediterranean and Caribbean while others embark on world cruises.

Fuel is one of many annual running costs of a yacht and not only does the yacht need fuel for cruising; the generators require fuel to keep the vessel running while at anchor and underway, as well as many of the water sports toys requiring fuel.

So how much do they really consume?

According to the Yachting Pages, the longest Superyacht in the world, 180m M/Y Azzam, holds 1,000,000 litres of fuel. To put it into perspective, that is the equivalent of filling a regular hatchback car 23,800 times or six Boeing 747 commercial airliners.

West Nautical’s Vessel Manager, Tony Hildrew, a former Yacht Chief Engineer said: “Fuel is the single biggest expense when it comes to yacht operations, it is estimated that the global spend on fuel is around $150bn annually however this shouldn’t put you off, there are a number of ways to ensure your fuel consumption doesn’t get out of hand. Implementing a Ships Energy Efficiency Management Plan or SEEMP for short is a great way to keep fuel costs down without compromising on your cruising experience.”

Each yacht will consume fuel differently for a number of reasons – the size and make of the engines, how often the yacht is using generators and the number of tenders and water sports toys on board that require fuel. For example, if the yacht is out at anchor and running on generators 90% of the time, the fuel consumption will be much higher than a yacht that is in a marina at night and connected to shore power and water.

Another factor that will affect fuel consumption is the yacht’s itinerary as the sea conditions will impact how much fuel the engines consume.

Fuel consumption is often measured in litres per hour, the best way to calculate the total fuel consumption for your itinerary is by using a fuel calculator like the one found here on the West Nautical website.

You will be able to input the start and ending points of your cruise on the map, this will automatically update the distance table. The next step is to enter the speed, fuel consumption and cost of fuel per litre to determine the cost of the trip.

Here is an example: A fast 30m yacht cruising at 20 knots will consume roughly 400 – 500 litres depending on the engine type, this would equate to the total consumption of 2500 litres for a distance of 100 nautical miles.

Another example is, a 70m yacht looking to travel 100 nautical miles with the engines burning 1000 litres per hour would add up to a total consumption of 8335L for that passage. Depending on where the yacht bunkered, the estimated cost with the price per litre being on the low end at €0.90 per litre would cost a total of €7501.50. An example of a 100 nautical mile passage would take you from Saint Tropez to The North Coast of Corsica.

Fuel prices fluctuate depending on which country you bunker in and some places you bunker offer tax free fuel such a Gibraltar and Montenegro. Fuel prices can vary but typically costs between €0.80 and €1.30 per litre.

Yacht charter, sales and management company West Nautical added; “Fuel costs should be at the top of any yacht owner and captain's minds for two reasons: to minimise costs as well as reduce the environmental impact of burning unnecessary fuel. The superyacht charter market, more than most other markets, relies on pristine waters for their guests to enjoy their holiday. If the oceans in popular charter destinations are not maintained, it will decrease the demand for yacht charter and therefore the revenue for owners.” “If you are looking for expertise in operational management and engineering in order to plan a SEEMP, West Nautical would be delighted to assist.”

A GUIDE TO YACHT FUEL: WHAT YOU SHOULD KNOW

Yacht fuel, a vital element for powering watercraft and setting sail into the open waters, plays a crucial role in the maritime industry. Whether you're a seasoned yachtie or a sailing enthusiast, understanding the intricacies of yacht fuel is essential. This article serves as a guide, shedding light on the types of yacht fuel, fuel efficiency, environmental concerns, and more.

What types of yacht fuel are there?

Yachts predominantly rely on two types of fuel - gasoline and diesel.

Gasoline: Typically used in smaller recreational boats and yachts, gasoline is a highly volatile fuel that requires careful handling and storage. It is commonly employed in outboard engines due to its lighter weight and ease of ignition.

Diesel: Larger yachts and commercial vessels usually favor diesel fuel. It offers superior fuel efficiency and is considered safer to handle than gasoline. Diesel-powered yachts are known for their long-range capabilities and lower fuel consumption.

Fuel Tanks and Storage

Yachts are equipped with onboard fuel tanks responsible for storing fuel during voyages. The size of these tanks varies widely depending on the yacht's dimensions, intended use, and range requirements. Proper storage and maintenance of fuel tanks are essential to ensure the safety and efficiency of the vessel.

Fuel Consumption and Efficiency

The fuel consumption of a yacht is influenced by several factors, including:

·      Yacht Size and Weight: Larger and heavier yachts typically consume more fuel than their smaller counterparts.

·      Engine Type: The type and efficiency of the engines play a significant role in determining fuel consumption.

·      Cruising Speed: Operating the yacht at higher speeds can significantly increase fuel consumption.

With environmental concerns becoming more prominent, the yachting industry has seen a surge in efforts to improve fuel efficiency. Manufacturers and designers focus on innovative technologies to reduce emissions and enhance fuel economy, making yachting more sustainable.

Fueling Stations and Prices

Marinas and ports worldwide offer fueling stations where yacht owners can replenish their fuel supply. These fueling facilities cater to both gasoline and diesel-fueled yachts. The prices of yacht fuel can vary based on the location, global oil prices, and local taxes. Many yacht owners plan their journeys strategically, taking into account the availability and cost of fuel at different ports.

Environmental Considerations

The impact of marine vessels, including yachts, on the environment has garnered increased attention in recent years. Emissions from combustion engines, fuel spills, and potential marine life disturbances are among the concerns. As a result, there is growing interest in exploring eco-friendly alternatives to traditional yacht fuel.

In response to these concerns, the yachting industry invests in developing sustainable technologies, such as hybrid propulsion systems, electric motors, and biofuels. The aim is to reduce the carbon footprint and minimize environmental harm while maintaining the luxury of yachting.

What does fuel consumption depend on?

Fuel consumption in various vehicles, including yachts, depends on several factors. The primary factors that influence fuel consumption are as follows:

·      Vessel Type and Size: The type and size of the vessel play a significant role in fuel consumption. Larger and heavier vessels typically require more fuel to move and maintain their momentum.

·      Engine Efficiency: The efficiency of the engine directly impacts fuel consumption. Modern engines equipped with advanced technologies tend to be more fuel-efficient than older, less sophisticated ones.

·      Driving Speed: Fuel consumption increases at higher speeds. Driving at higher velocities requires more energy to overcome air resistance, resulting in higher fuel consumption.

·      Load and Cargo: Carrying heavy loads or excessive cargo can cause the engine to work harder, increasing fuel consumption.

·      Weather Conditions: Extreme weather conditions, such as very hot or very cold temperatures, can affect fuel consumption. In colder weather, engines might take longer to reach their optimal operating temperature, thus reducing efficiency.

·      Maintenance: Regular maintenance, including air filter replacement and engine tune-ups, ensures optimal engine performance and improved fuel efficiency.

·      Fuel Type: Different fuel types, such as gasoline and diesel, have varying energy densities, which can affect fuel consumption.

As the yachting industry continues to evolve, embracing environmentally friendly practices and technologies will shape a brighter future for yachting enthusiasts, ensuring that the splendor of sailing is preserved for generations to come.

For further discussion and insights on this topic, check out the Main Deck to engage with other industry professionals and stay informed.

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How to calculate yacht fuel cost – The boat fuel cost calculator

When you decide to enjoy a  charter , there are many things you have to consider, not only when and where and whom you wish to join the party. I’m talking about the costs and expenses you will have during this memorable holiday with your loved ones. Depending on what type of vessel you are about the rent and the  destination  you will discover (as every place has its prices, pros, and cons), you will have a different bill at the end of your  cruise . 

How much cost chartering a yacht?

The most common questions we receive from our customers before they embark aboard the selected yacht they booked with us for their charter are: 

• What does the price include?
• What is APA?
• What does APA stand for?
• What are the extras?
• How much is VAT? 
• Can I have an estimate of the extra costs and expenses?
• How much will I spend in terms of fuel?
• What does the fuel boat cost?
• How to  calculate fuel boat cost ?
• What is the price to dock the yacht at the marina?

Fill the below form to receive instantly the estimate of fuel cost for your charter

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Our expert Charter Managers are glad to assist you with all the questions, clarifications, thoughts, and doubts you may have from the boat’s selection to your charter’s arrangements until the disembark. We always reserve transparent and clear 24/7 assistance to our new and repetitive clients, without surprises. 

How do I calculate yacht fuel cost? 

When you  charter a power yacht , the most critical cost to support is for sure  fuel .

When you  rent a sailboat  or  hire a catamaran , don’t forget about the fuel cost for  generators , the  outboard engine  of the dinghy. It would be a different cost at the end (definitively lower than aboard a motor yacht), but pay attention to air conditioning, especially when you spend the night at anchor. 

Yacht fuel calculation: how it works

It’s time to take a  map  and find on it all the spots and destinations you wish to reach! Keep in mind that you can predict the weather conditions only 10 to 7 days before embarking.

Prepare your sailing itinerary .

Your sailing route will depend on many factors, as the engine power and cruising speed of the yacht, the weather conditions, and the nautical miles you intend to navigate. Naturally, you will have to be informed about the actual market price of the fuel in the destination you will sail to have the right or most approximate  calculation of the boat fuel cost . 

Together with the assistance and suggestions of our sales department, our experienced technicians created an advanced, quick, and efficient tool for the yacht fuel calculation that we call the “ Boat fuel calculator .” This tool allows you to have a concrete and actual analysis of the yacht fuel consumption and price, starting with your itinerary plan on the map to the final result. 

Let’s begin: select the point of embarkation of your charter on the map. Now continue pinning all the beautiful spots you want to reach by boat during your  yacht charter  (as you can see, the calculator automatically updates the number of nautical miles) to disembark. You will obtain the total number of miles. 

Calculate the nautical miles

Naturally, you can choose the unit of measures (nautical miles, miles, km): in this case, it would be the nautical miles and, every time you pin a new destination on your map, from the embark to the disembark, the tool updates the total number of miles cruised. 

Now that we have the total number of miles, mandatory to  calculate the boat fuel cost  of our cruise. We need to know the yacht’s cruising speed, the engine consumption, and the market price of diesel in our next sailing destination.

Engine power and consumption

Now that we have the nautical miles, we need to know the engines’ power (the hp) and the real engine consumption of the boat we rent to have the actual  yacht fuel calculation . 

The last essential element we need to obtain the yacht fuel cost of our charter is the market price of gas in the destination we will sail. To have the diesel’s actual merits, you can consult many updated webpages of marinas and fuel bunkers, which continuously report the existing fuel prices day by day. (You can also check at  https://www.marineyellowpages.com/ )

The fuel consumption formula

What we are looking for is the expense of fuel we will have during our cruise.

Now that we have all the information we need for the yacht fuel calculation, and so:

• Total nautical miles;
• Engine consumption;
• Cruising speed;
• The market price of gas;

We can proceed with the real  boat fuel calculator  using our formula. 

Firstly, we need to know our charter’s travel time; I’m referring to the cruise duration. The formula to obtain the cruise duration is determined by dividing the number of nautical miles by the number of knots (the boat’s cruising speed). 

For example, if the nautical miles we are planning to navigate are 150 nm and the cruising speed of our yacht is 18 knots:

150 nm / 18 kn = 8,333 hr 

So if we want to cruise in a total of 150 nautical miles with a cruising speed of 18 knots, we will take about 8,333 hours. You will always have to consider the sea and weather conditions, which will influence the engines’ consumption.

And now that we have the “time,” the “duration” of our charter? How to calculate the yacht fuel cost? 

If the engine of our boat consumes 250 lt/hr, we have to multiply the time of our cruise, so in this case, 8,333 hr by the boat fuel consumption, so by 250 lt/hr:

8,333 hr / 250 lt/hr = 2.082,50 lt

2.082,50 are the liters we consume cruising for 8,333 hr with engine consumption of 250 lt/hr. Now we have to multiply the number of liters just obtained by the market price of fuel, that we can suppose at  1,50 Euro/lt :

2.082,50 lt x 1,50 Euro = 3.123,75 Euro

Let’s resume the “magic formula” for  yacht fuel calculation.  If your sailing itinerary contemplates 150 nautical miles at a constant cruising speed of 18 knots, 250 lt/hr consumption, and marine diesel cost of 1,50 Euro/lt, at the end of our yacht charter, we will have a bill of 3.123,75 Euro.

The calculations of boat fuel cost are always approximate and depend on sea and weather conditions and atmospheric and natural events. 

Our professional sailing tips and recommendations

Our team is always pleased to assist you, providing free 24/7 professional support for your charter arrangements and customizing your charter and journey. Feel free to contact us and get our advanced sailing tips and recommendations about your next charter: sailing itinerary, best bases, and marinas, where to spend the night at anchor, fuel bunkers, ATM and exchange, transfers from/to airport, groceries, and markets, restaurants and excursions, activities for kids and family, private celebrations, wedding, and corporate events, and much more.

Send us an email at [email protected]

Call or or text us (also on WhatsApp) +393343600997

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West Nautical Fuel Calculator – How it Works

How does the West Nautical Fuel Calculator help Superyacht owners and charter clients budget for their holidays?

The West Nautical Fuel Calculator allows charter guests and yacht owners to calculate the fuel consumption and cost, based on their itinerary. Making it the easiest way to map your dream itinerary, while being able to calculate the yacht fuel costs.

So how does it work?

The fuel calculator has an interactive map. You can input the starting point as well as a destination onto the map. This will automatically populate the distance table. The next step is to enter the speed and fuel consumption of the yacht. Most yacht brochures will have information about the maximum and cruising speed as well as the fuel consumption. Which, is calculated at a number of litres per hour. The last step is to input the cost of fuel per litre. This is information that all captains and chief Engineers will have as they regularly bunker in similar locations. This will then calculate the total fuel cost of the trip and when each passage is calculated, will calculate the fuel cost for the charter. Each yacht will consume fuel differently for a number of reasons, the main reason being the size and make of the engines as well as the speed at which the yacht is able to cruise.

Click on the link to give it a go and try out some examples:  westnautical.com/fuel-calculator/

To plot points on the map, click with your mouse – this will automatically update the distance table. Then enter the speed, fuel consumption, and fuel cost to determine the total cost of the trip.

Here are some examples of fuel consumption:

1: A fast 30m yacht cruising at 20 knots (Lady Amanda) will consume roughly 400-500 l/hour.

2: A typical displacement yacht may cruise at 12 knots and consume 300 l/hour.

3: Some yachts can cruise at 10 knots (Firefly) and consume 100 l/hour.

Fuel prices can fluctuate, but typically fuel when cruising in the Mediterranean is between €0.80 – €1.20 per litre.

Have a go at using the West Nautical Fuel Calculator and let us know how it goes!

If you are interested in chartering a yacht, get in touch with West Nautical’s expert team on charter@westnautical.com or view their yachts for charter on their website

For help with yacht and destination-specific fuel, calculations get in touch with one of their client managers today: info@westnautical.com

To stay up to date with the latest superyacht news for crew, click here .

West Nautical

Related articles, the special skill you have to have if you’re going to be a yacht chef, 5 management tips for senior yacht crew, top tips for first time superyacht deckhands, know your ship how to right a life raft. right here, right now.

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Fuel consumption and range values for motoryachts

With sample measurements on a grand banks 36 my trawler data source: powerboat & motoryacht magazine.

We all know, we all hear, that consumption, range, noise and engine wear are strongly related to the engine revolutions. The data below show that these relations are beyond the imagination of most of us.

All what has been done is that a boat was run with varying engine revolutions and consumption, speed and noise were recorded.

1. Speed of the vessel is the variable least depending on engine revs. When the engine revs are 1000-1 speed is 6.3 knots. When the engine is revved up to 2650-1 , the speed has increased to 15.7 knots. 2. Range, way made good per unit fuel and hourly consumption are highly dependent on the engine revs. As an example, while at 1000-1 revs the hourly fuel consumption is 7.6 liters. At 2650-1 revs this has increased to 84.9 liters. Thus, the hourly consumption has increased more than TEN fold. At the same time, range and way made good per unit fuel has decreased FIVE fold. At this example the “good” revs are 1500 – 1750 revs. Specially the green curves show the “hump” at these revs. Above these revs the range drops more significantly.

In summary, whoever runs his/her engines calmly, reduces engine wear, saves money and has the comfort of a larger range. Whoever “beats” the engines harm the environment and themselves..

The speed has been measured as average of two direction by radar.

Source:  Powerboat & Motoryacht, January 1996, page 92

How Much Fuel Does a Superyacht Hold? Find Out Here

Ever wondered how much fuel a superyacht can hold? Have you been curious about the factors that determine a superyacht’s fuel capacity? Or maybe you’re interested in learning how to maximize fuel efficiency? Well, you’re in the right place! In this article, we’ll explore all of these topics and more.

We’ll dive into the different types of engines and fuel efficiency, the average fuel capacity of a superyacht, the largest fuel capacity for a superyacht, the benefits of having a larger fuel capacity, how to maximize fuel efficiency, and tips for conserving fuel.

So, let’s get started!

Table of Contents

Short Answer

The amount of fuel a superyacht holds varies greatly depending on the size and type of yacht.

Generally, a superyacht can hold anywhere from 5,000 to 30,000 gallons of fuel.

Larger vessels can hold up to 50,000 gallons or more.

Additionally, some superyachts are equipped with multiple fuel tanks to store more fuel for longer voyages.

Factors that Determine the Fuel Capacity of a Superyacht

When it comes to determining how much fuel a superyacht holds, there are a number of factors that come into play.

The size and type of the yacht are the two most important factors to consider.

Generally speaking, a superyacht typically holds anywhere from 15,000 to 50,000 gallons of fuel, though some larger vessels can hold upwards of 200,000 gallons.

The range and cruising speed of a superyacht, as well as the type of engines used on the yacht, are also key factors in determining the amount of fuel the yacht will need to store.

As a general rule, larger and faster yachts require more fuel to travel longer distances.

Additionally, the fuel efficiency of the yacht will also have an impact on the total fuel capacity.

The more efficient the yacht, the less fuel it will need to travel the same distance.

Finally, the purpose of the yacht will also play a role in determining the fuel capacity.

Yachts that are used for racing or long-distance cruising will need more fuel than ones that are used primarily for short-distance trips or pleasure cruising.

In addition, the fuel storage capacity of the yacht will be determined by the number of tanks installed and the size of the tanks.

Ultimately, the amount of fuel a superyacht holds will vary greatly depending on a variety of factors.

The size and type of the yacht, its range and cruising speed, the type of engines used, and the fuel efficiency of the yacht will all have an impact on the total fuel capacity.

Additionally, the purpose of the yacht and the size of the fuel tanks will also determine how much fuel a superyacht can hold.

Types of Engines and Fuel Efficiency

When considering the total fuel capacity of a superyacht, it is important to consider the type of engines and fuel efficiency of the vessel.

The type of engines used will impact the fuel efficiency and ultimately the amount of fuel the yacht will need to store.

Traditional diesel engines are typically more fuel efficient than gas-powered engines, and may require a smaller fuel capacity.

On the other hand, gas-powered engines may require a larger fuel capacity due to their lower efficiency.

Additionally, some superyachts feature hybrid propulsion systems, which combine diesel and electric power to achieve greater fuel efficiency.

In addition to the type of engine, the fuel efficiency of the vessel is determined by several other factors.

The yachts weight, hull shape, and speed all influence fuel efficiency, with lighter, more efficient hulls and slower cruising speeds allowing for greater fuel efficiency.

Additionally, the use of fuel-saving technologies such as advanced propellers and energy-saving sails can also improve fuel efficiency, allowing for a smaller fuel capacity.

Ultimately, the type of engines and fuel efficiency of a superyacht will have a significant impact on the total fuel capacity of the vessel.

By carefully considering these factors, it is possible to optimize a superyachts fuel efficiency and minimize the total fuel capacity required.

Average Fuel Capacity of a Superyacht

When it comes to the fuel capacity of a superyacht, the amount varies greatly depending on the size and type of the vessel.

Generally speaking, a superyacht typically holds anywhere from 15,000 to 50,000 gallons of fuel.

However, some larger vessels can hold upwards of 200,000 gallons.

The amount of fuel a superyacht holds is largely determined by the vessel’s range and cruising speed, as larger and faster yachts will require more fuel to travel longer distances.

In addition to the range and cruising speed of the vessel, other factors such as the type of engines, as well as the fuel efficiency of the yacht, can also have an impact on the total fuel capacity.

For instance, if the yacht has higher-performance engines, it may require more fuel to sustain the speed and range of the vessel.

On the other hand, if the yacht has more efficient engines, it may be able to cover more distance with less fuel.

In addition to the engine type and fuel efficiency, the type of fuel also plays a role in determining the fuel capacity of a superyacht.

Diesel-powered yachts typically have a higher fuel capacity than gasoline-powered yachts, as diesel engines are more fuel-efficient than their gasoline counterparts.

Additionally, some yachts may use a combination of diesel and gasoline engines, which can also affect the total fuel capacity of the vessel.

Finally, the fuel capacity of a superyacht can also be impacted by the design of the vessel.

Larger vessels may require more fuel tanks to hold the necessary amount of fuel, while smaller vessels may only need one or two tanks.

Additionally, the placement of the fuel tanks on the vessel can also affect the total fuel capacity, as some locations may be more efficient for storing fuel.

In conclusion, the amount of fuel a superyacht holds can vary greatly depending on a variety of factors, such as the size and type of the vessel, the range and cruising speed, the type of engines, the fuel efficiency, and the design of the vessel.

Ultimately, the total fuel capacity of a superyacht is determined by all these factors combined.

The Largest Fuel Capacity for a Superyacht

When it comes to fuel capacity, superyachts can hold anywhere from 15,000 to 200,000 gallons of fuel, depending on the size and type of yacht.

The largest and fastest yachts typically have the highest fuel capacity, as they are designed to travel longer distances and at higher speeds.

Larger vessels can hold up to 200,000 gallons of fuel, allowing them to travel thousands of miles without needing to refuel.

The type of engines and the fuel efficiency of the yacht can also have an impact on the total fuel capacity.

Many superyachts are equipped with high-performance engines, which are designed to be more fuel-efficient and to require less fuel to operate.

Additionally, some yachts are equipped with dual fuel engines, which are able to run on both diesel and gas, allowing them to switch between the two fuels depending on their needs.

Finally, the design of the yacht can also affect its fuel capacity.

Modern yachts are often created with a sleek and aerodynamic design, which helps them to reduce drag and increase fuel efficiency.

This means that the yacht can hold more fuel and travel farther on the same amount of fuel.

Additionally, these yachts often feature advanced fuel-saving technologies such as wind-powered generators and efficient propulsion systems, which help them to further increase their fuel efficiency.

Overall, the amount of fuel a superyacht holds can vary greatly, depending on several factors such as the size and type of yacht, the type of engines, the fuel efficiency of the yacht, and the design of the vessel.

Larger and faster yachts tend to have the highest fuel capacity, with some able to hold up to 200,000 gallons of fuel, while smaller and slower vessels typically have less fuel capacity.

Additionally, modern yachts are often designed to be more fuel-efficient, allowing them to hold more fuel and travel farther on the same amount of fuel.

The Benefits of Having a Larger Fuel Capacity

When it comes to superyachts, having a large fuel capacity can be incredibly beneficial.

For starters, having a larger fuel capacity means that the yacht can travel long distances without having to refuel.

This is especially important if the yacht is traveling in remote areas with limited access to fuel.

Additionally, having a larger fuel capacity allows the yacht to cruise at faster speeds, as more fuel provides greater power and acceleration.

Finally, having a larger fuel capacity can also reduce the yacht’s overall fuel costs, as more fuel means fewer refueling stops.

All of these benefits add up to make having a larger fuel capacity on a superyacht a worthwhile investment.

How to Maximize Fuel Efficiency

Making sure your superyacht is running optimally is the key to maximizing fuel efficiency and getting the most out of your fuel capacity.

First, make sure your engines are properly maintained and tuned, as regular service and repairs can help your boat run more efficiently and reduce fuel consumption.

Additionally, running your engines at the correct speed for the conditions can help you achieve better fuel economy.

If you are travelling at a lower speed, your engines will not need to run at full capacity, meaning you can save fuel.

It is also important to ensure that your yacht is properly loaded, as an overloaded vessel can be less fuel efficient.

If you are carrying more than the recommended load, it will take more fuel to propel the boat.

To maximize fuel efficiency, make sure you are only carrying the necessary items and are not overloading your yacht.

Finally, installing the latest technology and equipment can also help you maximize fuel efficiency.

Outfitting your vessel with the latest navigation systems, fuel-injection systems, and fuel-monitoring systems can help you track and monitor your fuel consumption and make sure you are running your engines optimally.

Additionally, investing in newer, more fuel-efficient engines can also help you get the most out of your fuel capacity.

Tips for Conserving Fuel

When it comes to conserving fuel on a superyacht, there are several important steps that can be taken to ensure maximum efficiency.

First, it is important to ensure that the engines are running optimally, as any issues with the engines can lead to an increase in fuel consumption.

This can be done by regularly inspecting the engines and checking the oil levels to keep them in good condition.

It may also be beneficial to install devices, such as fuel flow meters, that can help monitor fuel usage and ensure that the engines are running optimally.

Second, reducing drag and improving aerodynamics can help to reduce fuel consumption.

This can be done by making sure that all of the yacht’s systems, such as the propellers, rudders, and hulls, are in optimal condition.

Additionally, installing wind-catching devices, such as wind deflectors, can help to reduce drag and improve fuel efficiency.

Third, it is important to ensure that the yacht is properly loaded.

This means that the weight of the yacht should be evenly distributed and that all unnecessary items should be removed.

Additionally, it is important to ensure that the fuel tanks are not overfilled, as this can lead to fuel being wasted due to sloshing.

Finally, it is important to be mindful of the yacht’s route.

Taking a more direct route and avoiding areas with heavy currents, such as narrow straits and rivers, can help to reduce fuel usage.

Additionally, sailing during periods of favorable wind can help to reduce fuel consumption, as the yacht will be able to make use of the wind energy to help power the vessel.

Final Thoughts

It’s clear that the amount of fuel a superyacht holds can vary greatly depending on a variety of factors, from the size and type of yacht to the engine type and fuel efficiency.

The average superyacht holds anywhere from 15,000 to 50,000 gallons of fuel, and some of the largest vessels can hold up to 200,000 gallons.

Having a larger fuel capacity is beneficial for longer trips, but it’s important to consider how to maximize fuel efficiency and conserve fuel to make the most out of the fuel you have.

With the right knowledge and a few tips, you can ensure that your superyacht has the fuel capacity it needs to provide the best possible experience.

James Frami

At the age of 15, he and four other friends from his neighborhood constructed their first boat. He has been sailing for almost 30 years and has a wealth of knowledge that he wants to share with others.

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Future fuels: Is the industry doing enough and what are the alternatives?

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The yachting industry needs a revolution. It’s currently attached to the status quo – twin diesel engines, shafts and propellers (and variations thereof) are still the norm. Why? Diesel is a widely available fuel that packs the most bang for its buck, and private yachts use some of the “cleanest” diesel available in finely tuned engines, is a typical answer. Is it true? Essentially yes, says Martin Richter, Ship Type Expert, Yacht, for classification society DNV GL. “These are cleaner solutions and state-of-the-art engines – [although] they still burn conventional fossil fuels.”

But better naval architecture, increased efficiency and finely tuned engines won’t suffice to meet decarbonisation goals. “To comply with the IMO’s level of emissions, improving efficiency will not be enough. We will have to go through a propulsion revolution, which means new fuels,” says Lorenzo Pollicardo, technical & environmental director for the Superyacht Builders Association (SYBAss).

Among problematic emissions, including carbon dioxide (CO2) and sulphur oxides (SOx), nitrogen oxides (NOx) have been in the forefront in recent years because of a 2021 deadline that mandated the maritime industry come up with solutions to reduce NOx output.

“Yachts don’t emit a lot of sulphur, but that leaves other emissions,” says Robert van Tol, executive director of the Water Revolution Foundation, which is attempting to provide the first comprehensive guide that defines the yachting sector’s environmental impact. “The SCR [selective catalytic reduction] system – which injects a urea solution into exhaust – is trying to tackle NOx.” However, it’s bulky, cumbersome and only effective at high temperatures, so the industry is looking for other solutions that will help meet regulations without reinventing the engine room.

Another reason for conservative thinking is safety. “Naval architects are risk-averse,” says Jorden Kemper, founding partner at Zero Emission Advisors, a consulting company based in San Francisco that advises industries on hydrogen solutions. “[They are about] safety engineering and compliance.” And they are not the only ones. Classification societies, brokers and buyers also gravitate toward proven solutions. Finally, for builders and shipyards it makes sense financially to choose incremental improvements (for example, better engines, variable-speed generators, heat recovery systems, batteries for peak shaving or better stabilisers) over radical changes. “Manufacturers have billions of dollars-worth of production lines based on the conventional system. Will they simply dump their investments? I don’t think so,” offers a naval architect and engineer working in Turkey.

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Improvements are possible, including in the yacht’s most fundamental characteristic, its naval architecture – especially since computational fluid dynamics (CFD) analysis has made the modelling of hulls quicker and more affordable. Take the Hull Vane, an underwater appendage that acts a bit like a spoiler on a car to improve efficiency. Heesen’s first installation on 42-metre Alive (now Ares )yielded a 20 per cent fuel saving in “the yacht’s useful speed range”. This result is consistent with a case study on a 52-metre offshore patrol boat retrofit. Fuel consumption was reduced by 18 to 27 per cent, depending on speed. Increased stability and less fuel also mean fewer emissions (and increased comfort).

Fuel for thought

Although seldom discussed in yachting circles, bio and synthetic fuels offer great benefits because they work with current combustion engines and have far fewer emissions. In the US, Gevo makes fuel, essentially, from carbohydrates. It currently focuses on jet fuel and gasoline (Isobutanol made from corn), which the National Marine Manufacturers Association (NMMA) has endorsed for use as a blend in boat engines in the US. If the demand is there, Gevo can also produce biodiesel for maritime use.

Rolls-Royce (which owns engine maker MTU) sees these types of fuels as a good transition solution. “Short- to medium-term options are synthetic diesel fuels, [such as] the second generation of bio-based fuel like HVOs [hydrotreated vegetable oils], and in the longer term we believe there will be a transition to e-fuels [synthetic fuels produced by electrolysis],” says Daniel Chatterjee, head of Exhaust Gas After-treatment & Green & High-Tech Programme at Rolls-Royce Power Systems. “Our modelling sees that the major take-up for renewable fuels made from electricity will be after 2030. Until then, we will see those bio-based fuels.” Because engines can work with synthetic and conventional diesel indiscriminately, availability will not be a problem, even for long-distance cruises, making them an attractive intermediate solution.

Why won’t incremental changes suffice?

For better or worse, large yachts are considered part of the maritime community and have to comply with international conventions, says Pollicardo. Driving change in the maritime world is the IMO’s 2018 adoption of greenhouse gas emission reduction targets. “The real objective is to reduce the total greenhouse gas emissions by at least 50 per cent by 2050,” he says, with full decarbonisation by 2100.

Combustion engines have had more than 100 years of refinements and are very good at converting fuel into mechanical energy. “[But] when you are at 40, 45, 50 per cent (thermal) efficiency, you reach a point where you can’t make the engine significantly more efficient,” says Kristian Holmefjord, executive vice president and project director–fuel cells for Corvus Energy.

IMO’s 2018 resolution also implemented an Energy Efficiency Design Index (EEDI) that requires a minimum energy efficiency level per capacity mile for new ships, and Pollicardo says it’s essential for the yachting industry to come up with facts and figures relevant to private yachts to help tailor these regulations. For instance, ships have regular routes and predictable speed and behaviour, while SYBAss has calculated that yachts operate an average of 400 to 500 hours a year. This means that solutions devised for the shipping industry will not necessarily translate to yachts,  and vice versa. Besides, “There is no comparison between the economic model of yachts and the shipping industry,” says Laurent Perignon, who advises Energy Observer Developments (EODev), an R&D firm working on speeding up the energy transition.

There is also the matter of public image. Who wants to be seen as having wanton disregard for a global environmental problem? Yacht owners don’t. Lennart Pundt, head of project development for Lürssen , sees a parallel between new designs that place the lifestyle close to the water and an “increased awareness and care about environmental responsibility. The mindset is changing,” he says.

What are the current options?

The time has not yet come to ditch the combustion engine. It will play a role for up to 50 years, Homelfjord says, but a transition is happening with many taking a look at re-emerging fuels (for instance, hydrogen, ammonia or synthetic diesel) and new power conversion solutions. A common thread is electrification through fuel cell and battery technologies.

“There are currently more than 500 hybrid or purely electric ships of all kinds either in service or under construction. What is truly impressive about this number is the fact that it has grown from practically zero over as little as five years,” says DNV’s Richter.

Whether going hybrid is currently a “green” solution is hotly debated and it’s nearly impossible to quantify fuel (and emissions) savings because yachts have such different operating profiles. “We do not have any numbers to show that diesel-electric hybrid systems are better or worse in terms of their fuel efficiency,” Richter says, “but they have a number of advantages over conventional engines” – reduced noise and increased comfort.

The best way to do that would be to equip two identical yachts with hybrid and conventional propulsion systems, access their data, and compare their fuel consumption over time. Tankoa comes close to this scenario, having equipped its 50-metre aluminium platform with both conventional and hybrid systems.

The shipyard worked with E-Motion on the parallel hybrid system installed on the World Superyacht Award-winning 50-metre Bintador . The set-up combines two diesel engines (with maximum rated power of 895kW), generators and electric engines. Good management is key of course, but the shipyard’s technical director, Andrea Parodi, says that in the range of 15 to 17 knots and using the shaft alternator option (diesel engines on, generators off and electric motors producing electricity) it’s realistic to expect to save 15 to 20 per cent in fuel consumption and extend the range from 4,000 to 4,400 nautical miles. This platform, he says, is well suited to hybrid because “the hull is very efficient in low-speed conditions, seven to 11 knots, and does not need a lot of power to start moving.” It takes two small generators (500kW) and electric motors to run the yacht up to 11 knots and keep all the lights on. An in-build hybrid yacht at Tankoa will also have a zero-emission mode.

With the introduction of improvements such as variable-speed generators and energy-dense batteries, the range of potential applications has grown significantly since 2006 when the founder of E-Motion, Michele Maggi, worked with Ferretti on the first hybrid system to be fitted on a motor yacht (a 23-metre Mochi Craft). Maggi sees perfect applications on everything from 30-metre planing yachts to sportfishers, which can charge batteries while heading to their fishing grounds, then trawl for hours on electric power, with savings of up to 30 per cent in fuel and emissions, he says. And thanks to the fast progress in batteries, it’s only going to improve. E-Motion currently works with shipyards in the  US and Italy, including Azimut-Benetti, for whom it is developing hybrid solutions for several models in the builder’s semi-custom lines.

In the superyacht segment, Benetti has already implemented hybrid solutions from relatively simple systems (an additional electrical input on a shaft line, for example) to diesel-electric systems with Azipod propulsion – the 107.6-metre Luminosity , for instance. The giant yacht’s 3,000kW battery bank can power the hotel load for 12 hours.

Most, if not all, superyacht builders have delivered or are working on hybrid projects. At the same time, more companies are developing hybrid systems, including Rolls-Royce, which already offers custom solutions and is working on the 2022 release of a turnkey system suitable for yachts 30 metres and up. MTU’s neighbour, ZF, which is known to the yachting world for its transmissions, is working on a power-take-in (PTI) solution that allows plugging in an auxiliary electric motor.

Diesel-electric

ABB Marine & Ports, which has already fitted several Azipod-driven superyachts, including Luminosity and the 80-metre Nobiskrug Artefact , has recently struck an agreement with Ballard Power Systems to speed the development of fuel cell-based solutions for the maritime industry.

Right now, the company posits that electrically driven propulsion (Azipods) is the best way to go. Why? Diesel engines on yachts seldom operate at their peak performance, particularly in slow manoeuvres. “A superyacht’s engines are typically rated for a maximum vessel speed of, say, 18 knots, but the yacht may for a significant part of its life idle around at speeds between nine and 12 knots,” says Riccardo Repetto, global segment manager, yachts at ABB Marine & Ports. “Apart from reducing fuel efficiency, operating at lower loads increases exhaust emissions, generates particles and soot and shortens the service intervals of the engine.” He adds that electrical propulsion is much more efficient and a solution such as electric Azipods “further increases fuel efficiency through electric and gearless thrust, as well as through the reduced vessel hull resistance”.

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Other benefits include comfort at anchor and underway and flexibility in design on large yachts. “The electrical power and propulsion plant in  its many shapes forms the platform in the development towards zero emissions,” says Thomas Hackman, market development manager for yachts at ABB.

Again, numbers are not readily available due to the individual operational profile of each yacht, but a diesel-electric system, such as the one fitted on Artefact , offers great flexibility and the ability to fine-tune power needs. Artefact can cross the Atlantic with just one diesel engine; one generator suffices to power the house and propulsion pods at cruising speed, plus she can cover short distances on batteries alone, which all add up to less fuel consumption and reduced emissions. After a few months of running the yacht in various conditions, including a transatlantic crossing, Artefact ’s captain, Aaron Clark, estimated diesel fuel savings to be 20 to 30 per cent, depending on the operational mode. In the future, elements of Artefact’ s hybrid propulsion system can be changed to newer solutions, including fuel cells.

Ivo Veldhuis, co-founder of superyacht consultancy Mayfair Marine, also says diesel-electric is a giant step forward. “You have the opportunity to change the way you generate power – part batteries, part engines – and you can decide to run those engines either on diesel, liquid natural gas [LNG] or even ammonia to reduce environmental impact and emissions.”

This does not take care of all CO2 emissions, and LNG is only considered an intermediate solution since it is a fossil fuel, but such systems can be built (as it was on Artefact ) for eventual upgrades to fuel cells that use methanol or liquid hydrogen when that becomes more feasible. “The key element is the electric propulsion plant,” says Veldhuis.

• Artefact: On board Nobiskrug's striking 80m hybrid superyacht

A fossil-free future?

This unavoidable goal is driving many to explore all solutions, including hydrogen. In 2019, Sinot Yacht Architecture & Design and Lateral Naval Architects made a big splash with a concept presented at the Monaco Yacht Show for a 112 metre called Aqua that integrated a 28-tonne capacity liquid-hydrogen system powering PEM (polymer electrolyte membrane) fuel cells. This concept, as well as pilot projects such as Energy Observer , a zero-emissions energy self-sufficient catamaran that uses hydrogen, wind and solar as its only power sources to go around the world, have helped revive the hydrogen discussion.

Hydrogen has many virtues: it is the most widely available molecule in the world; it is carbon free, energy dense and its only byproduct is water. Seems like a dream? Maybe.

“Hydrogen has got this habit of making false starts. Everybody thinks, it’s going to happen. And then it doesn’t,” says Veldhuis, who wrote his doctoral thesis on the application of hydrogen to marine systems and helped set up Hydrogen Europe’s maritime working group.

One issue with hydrogen is storage. In gas form it’s very voluminous and tends to spook people based on safety, and in liquid form it needs to be kept at very  low temperatures and requires roughly four times the space of diesel. That  does not stop superyacht builders  (and classification societies) from investigating options.

Hydrogen use requires extensive modifications of the yacht, says Bram Jongepier, a senior specialist with Feadship’s De Voogt Naval Architects, adding, “We know – we are building one.” However, he describes this zero-emission solution as best for “the purist” and says that “a partial range on hydrogen is a smart solution”. An early adopter of synthetic fuels, Feadship deems them (specifically HVO) “most suitable for retrofitting” with few modifications and a substantial reduction in emissions. Jongepier says methanol’s availability and pricing gives it the edge and may push it into “a dominant position”. Despite the shortcomings of existing solutions, it is possible to build a fossil-free yacht now, he says, “if the owner really wants it”.

And owners do want it. Just before this issue of BOAT International went to press, Lürssen announced it had received its first order for a yacht with fuel-cell technology. The company was working on this development as part of a consortium of German builders. “We feel comfortable putting this technology on board,” says Björn Berndt, who is part of the project development team. However, Lürssen is looking at more widely available energy carriers, such as green methanol or ammonia.

“With hydrogen, you really have a range issue,” Pundt says. “The handling is complicated, and the space requirement is in areas of the vessel where you usually have dry storage, freezers, laundry and is quite valuable space.” And then “you lose the greatest benefit that you have for a yacht, that you are independent, that you can travel wherever you want, to the most remote and beautiful places where there is no hydrogen supply chain”.

While it has its limitations, methanol is easier to handle and has higher energy density than hydrogen, so Lürssen has built a testbench to prove its methanol fuel cell and auxiliary systems under realistic conditions. The recent sales announcement will shorten the timeline for the first application, which Pundt had said would be within five to 10 years.

Methanol is sulphur-free and has low overall emissions, although in that respect, it is not the dream scenario that green hydrogen represents – no emissions other than water.

Don’t forget about sails

“The first fossil-free yacht should be a sailing yacht,” says naval architect Philippe Briand, just as the first hybrid superyacht was a sailing yacht – Royal Huisman’s 58-metre Ethereal , delivered in 2008. Briand’s studio recently released a concept for a 63-metre, 490-gross-tonne fossil-free sloop with an efficient hull form, 20 tonnes of batteries and underwater turbines to generate 500kW at 20 knots. Whether sail or power, Briand believes hydrogen can play a supporting role in yachting and he has a solution ready for the 50-metre Vitruvius Exuma to generate hydrogen on board. “We made a whole study, and it is completely doable, particularly for this yacht that has a generously sized garage,” he says. “It is a wonderful solution. While we don’t promise to generate enough power for the propulsion, it would be sufficient for the hotel load.”

The self-sufficient, floating laboratory Energy Observer combines the hydrogen it generates on board with solar and wind power to provide for all its energy needs. To harness wind power, it switches from wind turbines to wind propellers, known as wings. These have also caught the attention of the developers of the Merveille concept, a superyacht that combines renewable energies (like the sun and wind) with small combustion engines. The solutions, says Merveille Yachting CEO Nicolas Cantenot, are “simple, reliable and doable”. Wings can be seen as motors that work with the wind, twice as efficient as regular sails, which allows reducing the size of the combustion engines on board.

“Even on a sailing yacht you need a diesel engine,” says EODev’s Perignon. “The best option now is the combination of solutions, and engineering [the yacht] so that you can adapt to the accelerating technologies that are emerging.”

There may not be a consensus on how to reach the goal of fossil-free yachting in the future, but electrification holds the keys to a better lifestyle on board and opens the door to technology such as fuel cells. Kilowatts, it seems, will be the new knots.

The 2022 Superyacht Design Festival will be a summit on the power of responsive design and its role in yachting today. This year's event will be held in Milan from 22-24 June. Tickets are still available to purchase .

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How much fuel does it take to fill the world's largest superyacht?

Ever wondered how much fuel it takes to fill up the world's largest superyachts? We have. That's why we decided to compare the fuel tank capacity of the world's current largest superyacht with some smaller vehicles and craft that are a little closer to home.

Lürssen's M/Y Azzam currently holds the title of the largest superyacht in the world, and has retained this status since her delivery in late 2013. At over 180 metres (590 feet) in length, she has a 50-person crew and weighs over 13,000GT, yet she is still able to clock up impressive speeds of up to 30 knots.

She is owned by the president of the United Arab Emirates, and amongst other features suited to this class of boat, is fitted with her own missile defence system.

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Likewise, it would take the fuel of 3,636 London double-decker buses or 167 24-metre (78-foot) yachts to fill Azzam.

So in answer to the question 'how much fuel does it take to fill the largest superyacht in the world?', the answer is: a lot!

If you have a superyacht to fill, you can search for yacht fuel suppliers in your location, or read more superyacht fuel articles .

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Calculating Yacht Fuel Cost

by Marine Diesel Specialists | Aug 5, 2019 | Yacht Life , Yachting Travel | 0 comments

There are many costs associated with yacht ownership, and fuel is one of the biggest concerns for yacht owners and those who charter yachts as a source of business revenue. There are many different systems within your yacht that will require diesel fuel, and new versus used marine engines will bring different fuel efficiencies that are worth considering when trying to calculate your fuel costs. Everything from how many gallons are in a yacht’s tank to the specific mileage could come down to the quality of your engine and the size of your boat. This means that, without expert help, it could be hard to calculate. That’s why the team at Marine Diesel Specialists has created this quick overview that will explain yacht fuel capacity and yacht fuel cost through nautical miles, as well as how you can calculate these costs on your own.

Nautical Mile vs. Mile

The first key in calculating yacht fuel cost is to figure out how far you will be traveling. After all, these vessels are meant to transport, and like many modern transportation methods, yacht fuel capacity and use could change due to variables such as these. Mapping out your journey will help you see how many miles you’re traveling, and then you’ll convert this to nautical miles. When calculating nautical mile vs. mile consider that nautical miles are measured in two options, either 1/60th of a degree between latitude or longitude on a map or as 1.15 US miles. Knowing the distinction between nautical miles and US miles or kilometers is a must. Some boaters may find themselves confused by their fuel use and yacht fuel cost being different from what they have anticipated.

Finding the Cost of Marine Diesel Fuel With Nautical Miles

If you’re choosing your destination on a traditional map, each 1/60 th  of a degree on your map will calculate as a nautical mile. This is a fast and easy way to calculate fuel consumption using just a map and compass if you are not using a GPS when planning your nautical voyages. For those of us who are using GPS tools or digital maps, one nautical mile is about 1.15 miles or 1,852 meters. Traditionally, a knot is the speed of one nautical mile per hour. Many people use online mapping services as a way to get an accurate measurement of the distance they will be traveling on their journey. Using all the available resources when matching fuel cost to the yacht fuel capacity and how it relates to distance is always a good idea.

How to Calculate the Cost of Marine Diesel

Now that you know the nautical miles between your starting point and destination and have gotten an accurate measurement by using the tips and resources stated in this article, you can analyze your vessel’s average fuel consumption to figure out your yacht fuel costs. The exact rate of fuel cost per hour will vary from yacht to yacht, depending on engine type, age, upkeep, and more. Having more reliable and efficient engines, such as MAN diesel marine engines, will be a benefit due to their reliability and efficiency.

On average, a quality marine diesel engine will burn about 0.4 pounds of fuel per hour for each unit of horsepower. Other factors, such as water conditions, drag, and vessel weight, will also increase your fuel burn, so they are important to keep in mind during your voyage. In typical and relatively calm conditions, a 300-horsepower diesel engine would burn 16.6 gallons of diesel fuel per hour with variance based on the previously stated factors. You would then combine this fuel consumption per hour with the number of nautical miles to be traveled and the expected travel time to calculate your yacht fuel cost.

Knowing how to calculate marine fuel prices using nautical miles is a skill that every boater should be proud to have. It will come in handy many more times than they would think. Once you have mastered this form of preparation for a nautical adventure, you’re going to be able to get more accurate information in less time using just a few tools and a wealth of knowledge gained from experience.

Our Expert Marine Diesel Services Are Here to Help

Marine fuel is typically sold by the liter or gallon, and the prices vary depending on the time of year and other factors. Keep an eye out for any trends you may have noticed in previous years, and use that knowledge to plan out your purchases effectively. As stated before, yacht fuel cost can be affected by the quality of your marine diesel engine, which is why it is important to have the best engines available!

Get in touch with our Fort Lauderdale Marine Diesel Specialists experts or our Punta Gorda Gulf Coast Diesel Service professionals to learn all about the products we offer. We are certified vendors of MAN marine engines, along with a long list of other brands that are sure to be the perfect fit for you. If you are interested in boat servicing and repairs , which can be done by our marine rebuild specialists, you’ll also find yourself in luck with our team.

If you want to learn more about all things marine engines, be sure to take a look at some of our other articles and get insights from professionals in the industry who have years of experience dealing with marine diesel and MAN engines.

Related Readings

• Marine Diesel Fuel Explained
• When and Why to Change Oil in Your Boat Engines

Our Marine Diesel Specialists offer a variety of products and services to provide marine diesel solutions in Fort Lauderdale and Punta Gorda. Our authorized MAN Engine dealers can offer expert maintenance, repair, and survey services, as well as complete engine, transmission, and generator overhauls. If you are seeking top-quality marine diesel solutions, products, or services, don’t wait to contact our Marine Diesel Specialists and Gulf Coast Diesel Service.

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Ever wondered how much it costs to fuel a $600 million superyacht? Hint – For that money, you can actually get an apartment in Manhattan and a Tesla Model S.

The things we associate with superyachts – size, grandeur, and billionaires; but never bills! If buying a megayacht is a big feat, then maintaining the behemoth deserves a trophy too. Many world-renowned superyachts cost hundreds of millions (Dilbar is worth $600 million), but have you ever wondered how much it costs to get these floating beasts of the seas from one point to another? Dilbar yacht is considered one of the largest yachts in the world in volume. It was record-breaking owing to its incredible technology and the sheer size and was launched by German shipyard Lürssen in 2016. The fourth-longest yacht in the world that can house a crew of a hundred people also flaunts a total fuel capacity of 1,000,049 liters. By comparison, the Airbus A380 which is the worlds largest commercial aircraft needs 372,800 liters of fuel to tank up.

View this post on Instagram A post shared by Denis S (@theyachtmogul)

Note – The price of a Tesla Model S is $89,000 and a 690 sq ft 1 bhk apartment in 25, Broad Street, NYC costs $760,000.

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