silent yachts 64

Silent Yachts Silent 64

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Silent Yachts – Noiseless Limitless Cruising Catamarans

Solar power catamarans...ingenious and real.

silent 55 yachts began deliveries ins 2019

Imagine leaving no footprint except those in the sand on faraway beaches as you silently cruise. With these solar catamarans, it’s possible! We covered these amazing solar-electric yachts back when they were mere concepts.

The Austrian-based solar catamaran producer drew stronger interest after the Silent 55 earned the Best of Boats Awards 2019 in “Boat for Travel” being “suitable for long distance travels with all amendments to live on board permanently, adapted for both inland waters and the tough conditions at sea.” Amazing results for where electric-solar catamarans were only a year or so before.

Silent Yachts began delivery of the Silent 55 in 2019 and in 2020, during a global pandemic, sold six Silent 80 catamarans (starting from $4.6 million). Construction in Ancona, Italy, was slightly delayed due to COVID19 closure of 2 of the 4 factories, but the shipbuilder continues with delivery of these amazing catamarans as well as their evolution. At the end of 2020, Silent Yachts had a dozen luxury electric catamarans in production from 55′ to 80′ at a starting price of $1.8 million.

After these successes, designer Marco Casali of Too-Design continued innovating crafting a Loft version of the Silent 80 to excite solar catamaran enthusiasts.

Founder and CEO, Michael Köhler, birthed the concept. Interior and exterior designs are by Marco Casali of Too-Design with Amedeo Migali of MICAD in charge of naval architecture.

The Silent 80 with its silent electric propulsion, has unlimited range; no noise or fumes. Seventy solar panels, electric motors, and lithium batteries (used by Tesla) have been incorporated into the design to make it most efficient while maintaining the overall balance in shape. If you want to know more in depth on this efficiency, read this excellent article on Silent Yachts’ engine, battery configuration, and power management .

All components are virtually free of maintenance which makes the running-costs much lower than that of a comparable conventionally powered catamaran. The Silent Yacht is powered by electric motors and has a cruising-speed of 6-8 knots, and maximum speed is 10 knots. Without an engine room, the Silent 80 has enough space for a 4.5 meter tender, and gyrocopter!

Success has not stopped this solar catamaran designer from striving for bigger and better ideas. Recently Silent Yachts Silent announced its plan to build catamarans in collaboration with Volkswagen, powered by VW electric drive matrix (MEB). The catamaran ranges will be designed by VW subsidiary, SEAT’s Cupra brand. Auto and marine manufacturers joining forces have shown success before when BMW teamed up with Torqeedo for outboard engines, so it will be interesting to watch.

High Cost of Solar Catamarans Debunked

As with any new paradigm, the skeptics have loud voices during early introduction of new concepts. And solar-electric catamarans are no different. As excited as we are about this, we must confess our healthy skepticism is still alive. But we recently read an interesting article that compares the Silent 80 to the Lagoon Seventy8 . It points out that because operation and maintenance costs are so low that only a few years of ownership negate the higher purchase price of the Silent 80.

It’s actually quite a tempting proposition to enjoy all the comforts and necessities that requires lots of power aboard without the smell, roar, and Earth-damaging emissions of diesel generators. And eliminating the dangers and inconvenient refills of the propane cooker in the galley is another reason to give a second and a third look at these new solar catamarans.

Read on for pictures and more details of these solar-powered cats with lots of options including hybrid diesel operations and and a true “sail” option.

Silent Yachts Solar Catarmarans in All Sizes

Silent-Yachts is producing the following models:

Silent 55 – Specifications , Panoramic Tour
Silent 60 – Specifications
Silent 64 – Specifications (discontinued)
Silent 80 – Specifications , Panoramic Tour
Silent 80 3-Deck – Specifications

All models come with the following options:

Cruiser – 2×30 kW – with top speed of 12-20 Kt
E-Power – 2×250 kW – stronger dual e-motors than the “Cruiser” and more powerful battery banks for double the power and speed of the “Cruiser version”
Hybrid Power – 2×220 HP + 2×14 kW – powerful diesel engines together with the electric motors achieve top speeds of 20+ knots
Sailor – convenience of sails added to the Cruiser in the 55′ range
Sky Sails – towing kite system with full automatic control for the 64′ and 80′ ranges which eliminates shade on solar panels by sails and frees up valuable deck space.

Silent 55 Seatrial Reviews, Video, & Pictures

Read these Silent 55 catamaran reviews:

Yachting World’s Silent 55 Review
Power and Motor Yachts’ Silent 55 Review

Be sure to visit the links above for more images and info. Here is a video and a few photos of the elegant Silent 55.

Estelle Cockcroft

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New Silent Yachts For Sale

Silent yachts are the industry leader in ocean-going production yachts that are completely solar sustainable and powered by solar energy. seaworthy, luxurious, and built to impeccable standards, silent yachts are already desirable without its solar capabilities. with the abundance of solar panels on board each boat, every silent yachts model is able to cruise for 100 nautical miles in complete silence. even while at anchor, the solar-powered generators keep the yacht powered quietly for an unprecedented boating experience. enjoy all the benefits of a power catamaran with the addition of solar energy..

Silent Yachts

Silent Yachts 80

Silent Yachts 55

Speak To A Silent Yachts Sales Professional

Silent Yachts offer an environmentally conscious choice when it comes to owning a yacht. Silent Yachts currently offers three solar-powered power catamaran models including the Silent 55, Silent 64, and Silent 80. United Yacht Sales is proud to be the U.S. distributor for Silent Yachts and can assist you in your search for the world's first solar-powered yacht. For more information, please contact United Yacht broker Darren Sell at (561) 351-7333 or by email at [email protected] .

Where are Silent Yachts built?

Silent Yachts are built through two different shipyards depending on the model. The Silent 55 is built at the world-class shipyard of Mazarin German Yachts which also has a production site located in China. For over 70 years, Mazarin has been a leader in quality yacht construction with over 400 yachts delivered. Mazarin are experts in innovative construction processes that are able to produce light weight yachts.

The Silent 64 and Silent 80 are produced at the Italian-based shipyard Consorzio Navale which is a prestigous consoritum of builders and sub-contractors in the industry. The group has serviced many of the major Italian yacht brands such as Ferretti Yachts and Riva Yachts . Additionally, the Silent Yachts 80 features styling and design by Marco Casali and naval architecture by Insenaval.

Are Silent Yachts really completely solar-powered?

The short answer is yes. Owners can choose to go 100% solar-powered or install diesel engines should higher speeds want to be achieved over longer distances. Silent Yachts can cruise up to 100 miles per day by power acquired through its solar panels. Every day the solar panels are able to generate more power than the total consumption needed for propulsion at cruising speeds plus powering all of the appliances on board.

How does the solar power work?

The Silent Yachts power system feeds the electric propulsion of the power cat and all of the energy it needs to run the A/C, refrigerators, and other household appliances. Light-weight lithium batteries provide an ample amount of energy for everything on board. The lithium batteries used in Silent Yachts are the most expensive ones on the market, but also the most reliable, safe, and have the longest life span.

Solar panels are integrated to the roof of the flybridge hardtop sections instead of just being bolted on top, resulting in no wind load or resistance againest them. Below is a video explaining how the system functions and operates back when Silent Yachts were originally called "Solar Wave":

Who is the team behind Silent Yachts?

Heike and Michael Kohler have sent almost their entire lives on a boat. After more than two decades of using various boats, cruisers, and sailboats on multiple oceans, they became dedicated to finding a better energy source for the propulsion of yachts. Between the years of 2005 and 2009, Heike and Michael tested a number of a multitude of various alternative energy sources. In 2009, SolarWave 46 was launched as a proof of concept for their design. While there are many boats and yachts built that use solar power in some fashion, the Solarwave 46 was the first ocean-going yacht to use solar energy to power everything on board from engines to appliances.

What else is different about how Silent Yachts are built?

Certainly the solar-powered engines and generators are the distinguishing characteristic, but there are a lot of other features that make each Silent Yacht unique. For example, the molds were created using a CNC-milling machine that is able to contruct particular shapes for an optimized design. The materials used in the hull include a carbon compositie that is then resin-infused for a light-weight, but very strong platform. Every hull is fully insulated and the long-term durability is exceptional thanks to the high-quality resin used in the infusion process.

What propulsion systems are recommended by Silent Yachts?

Silent Yachts recommends the 2 x 135 engines as the best solution. If the owner is making frequest trips from Point A to B (Say Miami to the Bahamas for example) the faster hybrid is recommended. The main differentiator here is cruising speed. If the owner is living on the yacht for an extended period of time, rarely pushes the engines to top speeds, and stays below 12 knots, then the E-Power is recommended.

When the generator is running, does the 100Kw go to charging the batteries (which run the 250 Kw e-Motors) or directly to the e-Motors?

All of the enery consumers and producers are connected to the bus bar. If there happens to be more power produced than consumed, the excess power goes to re-charge the batteries. If for some reason more power is required than what is produced, the needed power comes from the lithium batteries.

What is the sustained speed if both 100 Kw generators are running?

This answer really depends upon sea condition and the weight of the boat (for example components, additional equipment, water toys, etc.). The sustained speed on average though is between 12 and 14 knots, 10 knots with one generator running. It is possible to cruise at 10 knots without a generator running when using the Solar E-Power.

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11-05-2020, 06:14
	were very interesting. Was just wondering if anyone had experience or new anyone who had experience with them. Was wondering how well they hold up and how much they require. Thank you.

11-05-2020, 17:45
Boat: 50' aluminium power cat

11-05-2020, 23:31
Boat: FP Belize Maestro 43 and OPBs	seaworthiness and realistic cruising speed/range are the two big problems.

12-05-2020, 00:23

Boat: 50' aluminium power cat

seaworthiness and realistic cruising speed/range are the two big problems.

12-05-2020, 00:48

12-05-2020, 01:18
Boat: FP Belize Maestro 43 and OPBs	engines consume just 12kW. I make that 12 x 24 = per day on a . (Of course no mention of sea conditions. I suspect that is NOT in the open ocean.) produce around , which results in around per day. (I'll ignoring the very dubious assumption of 6 hours full sun equivalent per day from horizontal - 80kWh would probably be more realistic.) So even on their own very optimistic figures there's a before you even look at house loads. Sorry but it doesn't make sense. Hopping around the or the motoring for a few hours a day and lots of "lay days"? Yes. Passagemaking? No way!

12-05-2020, 01:38

Boat: Woods Flica catamaran

were very interesting. Was just wondering if anyone had experience or new anyone who had experience with them. Was wondering how well they hold up and how much they require. Thank you.

12-05-2020, 01:48
Boat: Shuttleworth Advantage	salesmen. FWIW - I thought that the 64 was no longer being produced.

12-05-2020, 02:08

Boat: FP Belize Maestro 43 and OPBs

salesmen.

FWIW - I thought that the 64 was no longer being produced.

12-05-2020, 09:00
Boat: Prout Snowgoose 37' Catamaran	(perhaps that is how they claim trans-ocean), but I didn't see anything on tankage... Now they do have a Kite Sail Option trans-ocean

12-05-2020, 09:03

12-05-2020, 09:53
Boat: Catalina-Morgan 504	hits 60 knots. The windage alone scares me

12-05-2020, 11:37

Boat: Knysna 440 once I get my new dock and the canal gets dredged

12-05-2020, 12:24