1 tonner yacht

Published on November 27th, 2013 | by Editor

Revisiting the One Ton Cup era

Published on November 27th, 2013 by Editor -->

Back in the day, when grand prix handicap racing was going bonkers, the One Ton Cup was among the holy grails in the sport. Reputations were made at the One Ton Cup.

The One Ton Cup was first created in the early 1900s for the 6 meter class, but it became an ocean racing championship in 1965 when the RORC, and then later IOR, handicap rules gained traction. A “one tonner” was a specific handicap rating number, thus providing designers the target to create the fastest boat.

And they would all gather each year to race for the Cup.

Now, with the Cup long since fought over, 2-time One Ton Cup champion Chris Bouzaid (1969 and 1972) and the Royal New Zealand Yacht Squadron are seeking an indication of potential interest in a proposed “One Ton Cup Revisited” regatta, in Auckland, New Zealand, in February/March 2015.

The regatta would celebrate the (near) 50 th anniversary of the One Ton Cup switching from metre class yachts to offshore racers, using an international rule (RORC) to measure and rate contestants. This was when interest in the Cup went global and led to One Tonners being regarded as the Formula One class of ocean racing.

Click here for updated information.

The current thinking is to cater for RORC and IOR One Tonners that were eligible for Cup competition between (and including) the years 1965 to 1983. The Cup increased the boat size in 1984.

The IRC Rating Rule would be used to equitably handicap the fleet which would be raced in two classes – RORC and IOR yachts 1965 to 1971 (inclusive), and IOR yachts 1971 to 1983 (inclusive).

The RNZYS has had a long involvement in the modern era of the event, competing for the Cup no less than 12 times, in seven different countries. In the process, it has won the Cup on five occasions and hosted the event twice.  

The current proposal for the “Revisited” regatta would be to mirror the One Ton Cup of old – such that there would be three inshore races, a short ocean race and a proper ocean race. In deference to contestants and boats, however, the inshore races would be of approximately 20 miles length, while the short ocean race would be a 40-miler (approx) and the ocean race a 100-miler (approx).

There would be a Prix d’ Elegance and other innovative awards, with an opening ceremony and  prizegiving that would do full justice to New Zealand’s legendary record for celebrating major sailing occasions.

There would also be a New Zealand Millennium Cup super yacht and One Ton Cup Revisited weekend at the beautiful Hauraki Gulf island of Kawau, with its famous Mansion House which, in the mid-to-late 1800s, was the residence of the then Governor of New Zealand, Sir George Grey.

This will be a high-profile sailing period in Auckland.

The Finn Gold Cup will be raced off Takapuna Beach in February 2015, while the Volvo Ocean Race fleet is scheduled to arrive in Auckland (from China) on or about around 26 February 2015, and leave for Itajai, in Brazil, on 15 March 2015.

The proposed “One Ton Cup Revisited” would be an important and integral part of this major celebration of sail.

Those interested should communicate, by email that interest, with brief detail of the One Tonner that might/would be involved: Alan Sefton, [email protected]

Below is an example of boats that were eligible One Tonners up to and including 1983 (updated Dec 4, 2013 but by no means definitive). Please email the Scuttlebutt editor with any corrections and/or additions:

Boat list as of December 4, 2013 Boat list as of November 27, 2013

Tags: handicapping , IOR , One Ton Cup , RORC

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BLT: The inside story of the Quarter Ton Cup winner’s 10,000-hour refit

• April 21, 2020

The famous winner of the 1980 Quarter Ton Cup, BLT was tracked down in Tahiti before being smuggled back to Cowes for a 10,000-hour refit. Rupert Holmes reports

Owner Sam Laidlaw has enjoyed considerable success in the very competitive Quarter Tonner class . He gathered an impressive collection of trophies in the eight years he raced his Aguila , including the Quarter Ton Cup twice and the class at Cowes Week on four successive occasions.

When he was looking for his next boat he chose another Quarter Tonner, naturally. But the revived class doesn’t allow newly built boats, and there is now a finite collection of potentially competitive boats since the class’s rebirth in 2005 has seen a committed collection of owners restore many of the best vintage designs.

BLT was the Jacques Fauroux-designed Bullit, winner of the 1980 Quarter Ton Cup in New Zealand. In all just seven Bullits were built, three of which won consecutive Quarter Ton Cups in 1978, 1980 and 1981, and they have become increasingly sought-after.

Going well upwind. Note the pushpit and stanchions in black powder-coated stainless steel. Photo: James Tomlinson

BLT had been living out her retirement in the Pacific before she was rediscovered by Rob Gray, who has sailed with Sam Laidlaw for a couple of decades, including as joint owners of the classic Sparkman & Stephens One Tonner Clarinet .

Having recently sold Clarinet, the pair decided to take on the project together, and shipped BLT back to the UK. She was transported over to the Isle of the Wight under cover of night to be rebuilt in Cowes, and, amazingly the project stayed under the radar until shortly before she was launched for the 2019 Quarter Ton Cup.

There were already four Bullit designs in the Solent fleet, including Julian Metherell’s Bullit and Louise Morton’s Bullet , the latter winner of the 1979 Quarter Ton Cup in San Remo. Another Bullit design, Protis , winner of the 1981 championship, also won the 2019 Cup, in Ian Southworth’s hands.

Article continues below…

Belinda: This refurbished 1980s quarter tonner is a real labour of love

Spending around 1,800 hours and the price of a new boat on revamping a 30-year-old 26ft keelboat might seem extraordinary,…

25ft quarter ton yachts have been having something of a revival racing in the Solent

They’re old, small and decidedly quirky, but quarter tonners are providing some of the hottest handicap racing in the Solent…

Given the potential for confusion with boats called Bullet and Bullit already based in Cowes, the name of the new boat was truncated to BLT . She’s the second or third iteration of the original design, but uniquely has a 2ft extension on the transom. This was added to improve performance in the heavy winds predicted for the New Zealand championship back in 1980.

It’s impossible to get near the top of this fleet unless a boat has been fully updated, so a full refit /rebuild was necessary. Gavin Tappenden at Composite Craft did all the boatbuilding, while Brett Aarons was responsible for deck layout and systems, paintwork, cosmetics, rig and some of the design work. “Basically I’d come up with a concept and then Gavin would draw it and build it,” Aarons says.

Structural changes

The hull was sheathed inside and out with extra layers of epoxy and glass to create a more solid base. However, everything needed to be removed from inside the boat. “There was lots of rotting plywood in there, with some of it not properly attached, so it all came out,” says Aarons. Some of the frames were also replaced and struts added to cater for the slightly different shroud base.

Control line runs below decks are kept as straight as possible, using string and pulley systems. Photo: Rupert Holmes

A big change was running new foam sandwich bunk fronts all the way aft to add a lot of extra longitudinal stiffness. Aarons says this is something learnt from sailing Aguila – the bunk fronts had to be extended in a similar way to prevent the top guard wire going slack when the backstay was heaved on tight. When that happens there’s also risk of little cracks opening up at each end of the keel.

BLT ’s original cambered deck and large coachroof needed replacing. The new coachroof is little more than a vestigial blister, which gives a larger cockpit and lots of room for moving around the side decks and foredeck, despite the diminutive size of a Quarter Tonner.

“The new deck was a bit like a trampoline,” says Aarons, “so we put some extra beams in to stiffen it. I wanted an unbreakable structure, whereas Gavin wanted it as light as possible. “He’s right in that it’s better to build it light and then see what you need to reinforce.” In total Aarons reckons close to 10,000 hours was spent on the refit over 13 months.

The revived Quarter Ton Cup (raced under IRC), has been running for 13 years. Photo: Paul Wyeth / Cowes Week

Deck and rig

Since Laidlaw would be racing BLT with the same team as he sailed Aguila , that boat’s deck layout was replicated as far as possible. The thinking was this allowed the crew to focus on boat speed, without worrying about different procedures for manoeuvres.

Beyond that, BLT ’s layout prioritises simplicity and minimising friction. Lines are run below deck wherever it makes sense to do so, including to purchase systems, which makes the deck layout look neater. The downside is a lot of string and pulley systems in the already cramped space below decks.

“A lot of boats have lines led all round the boat to a good place [for trimming],” says Aarons, “But I made an effort to lead things direct so there’s no friction. If you wanted to make the interior look really good you could have lines hidden under the bunks, but that would add friction and the reality is no one is going to spend time down there.”

The pole up/down and jib in-hauler controls adjust both sides simultaneously, so after a tack you will be sailing with exactly the same settings as before. This looks like a very neat system, but it’s no surprise Aarons says it was time-consuming to set up.

Keel and rudder

All the competitive Quarter Tonners have replacement keels and rudders, with the former noticeably heavier than the original keels.

BLT has a new rudder built by Composite Craft, and the Mark Mills-designed keel that was created for the Quarter Ton class revival and became a default choice among many owners refitting boats.

Some of the newly revived Quarter Tonners have since opted instead for a later keel design, but Aarons felt it wasn’t going to be right for the beamier BLT . “These boats are so wide I didn’t feel we needed that much righting moment,” he explains.

“Even then, at the Quarter Ton Cup we felt very upright and struggled to heel the boat, so we cut some lead off the bottom of the keel. That was much better.”

In her first season BLT was third at the Quarter Ton Cup, when she was fresh out of the sheds at Medina Yard. She followed that with an overall class win with a day to spare in a very windy Cowes Week. With Laidlaw’s team now having had a season in the boat, and with a few teething problems being fixed this winter, the prospects for BLT for the 2020 season look very strong.

Specification

LOA: 8.48m (27ft 10in) LWL: 5.98m (19ft 7in) Beam: 2.83m (9ft 4in) Draught: 1.6m (5ft 3in) Displacement: 1,404kg (3,090lb) Built: 1979/80 Design: Jacques Fauroux

First published in the April 2020 edition of Yachting World.

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16 May 2013

Resolute salmon (chance one tonner).

4 comments:

I am not sure where you got your information, but you are very well informed. Just a couple of clarifications as follows: We really did not "work the boat up" in Cowes. UK marine hardware stores were not well stocked in the 70's, so the boat was not fully rigged. I sent Dick a list of what we needed and we planned on setting things up before the Worlds (not smart, but all we could do). We did sail in one Channel Race, but dropped out due to lack of wind. We did get to anchor in the middle of the Channel for a few hours which was an adventure. Dick did arrive in Marseille three days before the Worlds and we spent the 1st day rigging the boat with the hardware he brought. The 2nd day we went sailing, looking at every sail, 8 of which we saw for the first time as Dick brought them with him. Early in the day we came upon Tin Man and decided to do a little speed testing. After about 5 minutes we broke off because we appeared very fast upwind. From there we headed offshore away from the other boats. Around 10 miles offshore, Dick casually asks Brit if the tiller should spin around 180 degrees without any effect on direction. The rudder was set on a tube within a tube and the welds broke. We sailed the 10 miles back to the old harbor using a #3 and a reefed main to steer (another adventure). The 3rd day was used to haul the boat and fix the rudder. So basically Dick sailed the boat for just a few hours before the first race. Again, not the best. The crew was hardly all professional. There were 2, 19 year old kids ((I was one of them) Carlino, the Italian owner (who was a really great fellow, but had not sailed much) Brit Chance (who was a very good yacht designer) Ross Walker (who was a very good sailor and tactician, but not a pro) and Robbie Haines (who was very good at sail trim, clearly a pro, but). Basically we were a green crew that had not sailed together, on a brand new boat with brand new sails in a place none of us had sailed before, sailing at a world championship with 50 other boats. Not the best of circumstances and except for one thing. Dick was driving the boat and calling the shots. The last race was as you described except that the 1st and 2nd boats to finish were French entries. Knowing that, we asked around and discovered that the French Navy had a ship on station at the offshore mark and they kept a radar plot as evidence that all the boats rounded, which they showed me. All the boats zig-zagged around looking for the mark except the 2 French boats, who made a beeline right for it. It turned out that the buoy had humans living on it and they used a radio to call home on a specific schedule, so the French boats used their RDF's to zero in on the buoy. Local knowledge they did not share.

"so the French boats used their RDF's to zero in on the buoy. Local knowledge they did not share"....tres Frog, tres!! :)

One other thing; America Jane III was by far the best prepared and best looking boat at the 1976 Worlds. A real class act. If the wind had stayed up the whole time, they would have easily won, but their light air performance was about the same as the Farr boats. A young Gary Weisman was on the boat and I think set her up and drove, which explains allot.

Thanks Douglas, thanks for the first-hand clarification about Resolute Salmon's campaign, that's great information!

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1/4 TON IOR

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This was the first IOR design we completed when the IOR Rule changed in November 1978 and was aimed specifically at the 1979 World Championships in Italy.

Existing light displacement 1/4 Ton yachts are penalized less by the new displacement length factor than larger yachts but even so, our previous style of design would have incurred too much penalty to be truly competitive compared to heavier styles of design.

Extensive computer analysis, comparing rating with known performance, has enabled us to pinpoint the correct value of DLF to produce optimum performance for the light conditions expected, and we have opted for a DLF much closer to 1.0 than any of our previous designs feature. The resulting design is therefore very slightly heavier than any of our previous 1/4 Ton designs, with slightly more beam and considerably more sail area.

The design has substantially better all round performer than previous generations and excels in light and moderate conditions. The general design concept is also be capable of being developed into a more powerful version to suit more windy climes.

PHOTOS Click to enlarge.

Description

7.70 m/25'3"

5.90 m/19'4"

2.80 m/9'2"

1.46 m/4'9"

1,340 Kg/2,950 Lbs

590 Kg/1,230 Lbs

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Farr Yacht Design

100 Severn Avenue, Suite 101

Annapolis, MD 21403

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1/4 ton 1/2 ton etc please explain

• Thread starter pcatterall
• Start date 14 Sep 2010
• 14 Sep 2010

Well-known member

I keep reading articles related to the tonnages above ( and 1 ton etc). What dom these figures refer to please. They look far off displacement values for the sizes of yachts concerned.  

I've asked the question of seriously knowledgable people and have never got an answer that explains what 'ton' has to do with it. There is a definition for each under the IOR rule. Multiple (or add?) up a load of parameters and if it is under a certain value it is a quarter-tonner, half-tonner etc.  

In the early days there were a number of rough and ready schemes for measuring the size of boats for commercial and racing needs. Perhaps the most popular was Thames Measurement and this persisted almost to the present day, some old timers will still refer to a wooden boat as a 2 1/2 (very small) or 8 Tonner. Thames Measurement was a rum system which used length, bredth, cargo space and the skippers inside leg measurement to arrive at the given number - as you say no relation to displacement. If we accept that the various rating rules grew out of earlier practice then it is perhaps understandable that the notion of tonnage persisted. Many will still find it easy to picture an older style 1/2 or 1/4 tonner.  

AFAIR from racing in the IOR days, the rules were aimed at calculating a 'nominal length' or some such term, from the actual measurements of each boat. The Ton, Half, Quarter, etc 'classes' were each given a 'length' and the designers had almost free reign to work the hull shapes and measurements to achieve the best speed for that nominal length. The Ton Rules produced boats which were cranky and tender, and without real downwind speed. Measurement points produced funny almost square hull shapes with longish overhangs. They were pretty difficult to sail optimally, and lost value very quickly as any new wrinkle (e.g. 'bustles') to take advantage of the rule made older boats very quickly uncompetitive.  

I believe that it comes from the time when the IOR rating system was coming up with a level rating. The royal thames club had had a one ton cup prize for a class of thames racing yacht which was no longer being raced for and hence this was chosen as the cup to race for, the first level rating IOR boats were around 38' Then owners of smaller yachts wanted to have a level rating class and hence the 3/4, 1/2 and 1/4 ton classes evolved being roughly 34', 30', 24' and then the mini tonners at 18' But this could have been bar talk, the important thing is that the racing was close and the boats were fun to sail. What happend to Smokey bear, Panda, Nausicca, Heart of Gold (named after the hitch hikers guide space ship) Juno, Local Hero...that was back in 1985 in Porto Ercole  

The irony of this thread is that it has been explained in the Magazine PBO in the past couple of months.  

Tonnage in old boats refers to the Thames Measurement of a yacht. Nothing whatsoever to do with the weight of the boat but an arcane system of calculating the size of a boat allowing for its beam as well as length (but not I think its draft). The term derives from the medieval method of defining the size of a vessel by how many tuns (barrels) of ale it could carry. Different again is the Registered Tonnage and Gross Tonnage. A suprising number of owners think the tonnage carved on their main beam is the weight of their yacht but they are wrong. Tim w  

• 15 Sep 2010

IOR Rule: Internationa Offshore Rule Intention: a measurement system that gave an assessment of the speed of a yacht and alowed a handicap number to be calculated IOR handicaps were expressed in feet Level rating bands were set to group boats of a similar size together and create level rating competions. The rating bands were set at: IOR rating of 16.5 = minitonner (&minimum size of boat quaifying for an IOR rating) IOR Rating of 18.5 = quarter tonner IOR rating of 21.5 = haf tonner IOR rating of 24.5(?) = 3/4 tonner IOR rating of 27.5 = 1 tonner, modified in 1982 to be 30.5 for 1 tonner to synchronise with the minimum rating for the admirals cup IOR rating of 50 = maxi class (maximum rating issued) simples.....  

unikely unless measured under the IOR rule the rating number aso comes out at 18.5. Overall length is just one measurement that goes into the rating calculation. IOR "feet" are not measurements of length. Two almost identical boats could have different ratings depending on the size of spinnakers/mainsail (or a host of other things) and so rate e.g. 21.3 and 21.5 feet ....... but be exactly the same length. If you think IOR was confusing, then don't even start exploring IMS (which followed)  

Even more confused. I've just read an early review of my boat and it has a "portsmouth yardstick number" of 127  

Even Chance

My E-Boat is an IOR Mini-Ton class racing yacht. Its just under 1 Ton displacement, and 22 foot long. Figure that then!! Thats how the ruling goes. Its wierd, thats a fact!  

Hi Dave, You sure? The E-Boat is 1050. Have a look at this list:- http://www.benfleetyachtclub.org/files/Portsmouth_HC/2004_PY_Cruiser_Handicaps.pdf  

Even Chance said: Hi Dave, You sure? The E-Boat is 1050. Have a look at this list:- http://www.benfleetyachtclub.org/files/Portsmouth_HC/2004_PY_Cruiser_Handicaps.pdf Click to expand...

Handicap Rules all come down to one of two things: 1. a correction of your actual time so that boats of different sizes and shapes can race against each other 2. using a set of measurements with a final rating (number) all boats race against each other and the first across the line wins If you do any racing, you will quickly go from confusion (what do the handicaps really mean) to frustration (why do I always seem to lose even when I think I am saiing well) to exasperation (they aways win 'cos the've got a great handicap) eventually to understanding. Plymouth Yardstick is mainly aimed at dinghies but from the PY number, a TCF (time correction factor) is generated that is then used to adjust your elapsed time and should mean that equally well sailed different boat designs/types can fairly race against each other. Most yacht clubs run a similar local system or make local adjustments to the national/international systems. Handicap committee members are often well rewarded at the bar or get dogs abuse for their misunderstanding of the performance potential of someone's pride and joy. google CYCA for the Scottish handicap system The RORC office administer the IRC system and their website is worth a look Going back to the original thread topic, the rating rule that was used for the "ton" classes had an annual revision (November Offshore Racing Council meeting) and eventually it was abandoned because the boats were viewed as becoming too extreme, too expensive, not as much fun as they could be for the size/money, not creating good cruiser/racer compromises and a better, newer whizz bang rule was proposed that would cure all the evils of IOR by measuring the hull shape, weighing boats and using a velocity prediction programme so that internationally handicaps any boat could be measured and fairly handicapped. The IMS rule ..... IMS made race boats even more expensive, extreme and complicated and so it was binned. The ton-cup revivals have come about from those that want to race these "obselete" boats again as despite all the shortfalls, IOR racing in the late 70's and 80's was great fun. check out the 1/4 and 1/2 ton websites but don't for one minute confuse "feet" with length and "ton" with weight!  

ProDave said: My boat's not on that list. The magazine review said 127, so perhaps it was a missprint and they meant 1270 ??? Click to expand...

Even Chance said: Maybe it is 1270. The higher the number, the slower the boat. What is it you have? Google "your boat Portsmouth yardstick" That list wasnt the definative list, just one from a particular club. I also see yer a local lad too!! Click to expand...

This rule produced boats that were so bad that Olin Stephens actually apologised publicly for his part in it's development.That said I used to own a Douglas Peterson designed 1/2tonner that sailed like a wich to windward and was very god on a reach but obviously preformed not so well on a run.An she wasn't in the least tender.  

cliffordpope

The Thames Measurement formula was (Waterline length-Beam) X Beam X Beam X2, all divided by 94. Long ago the convention was to leave the result expressed as 94ths rather than simplifying to 1/4, 1/2 etc. So my 21 foot cutter built in 1882 with a WL length of 18 feet and a beam of 6 feet 6 inches has a TM of 2 55/94. It does in fact weigh about 2 1/2 tons. As recently as 1964 my father registered a 30 foot motor cruiser, and was given detailed instructions for having the calculated TM carved on the main beam, together with the "certified chart space". The full meaningless inscription, complete with the 94ths, then had to be traced on paper and sent to Lloyds to confirm that it had been done. If anybody still owns the motor yacht Lucy Carmichael, ex lifeboat from the P&O liner "Maloja", then the inscription will still be there.  

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Since 2004 The Half Ton Class Europe is guiding the revival of the former IOR half tonners. Half tonners are 9m long sailing vessels, build to the IOR rating rules from 1967 to 1992. A boat is considered as a 'half tonner' if it fulfills the following requirements: • if it has been designed & build as a prototype one-off in the period between January 1st 1967 and December 31st 1994, and • if it has been once eligible to participate at an edition of the IOR Half Ton Cup, and • if no alterations have been made to the hull of the boat (except keel & rudder). Every production boat derived from the hull of a prototype one-off half tonner will also be considered as a half tonner.

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Quarter Tonner by JOUBERT, 1/4 tonner

€18,000

VAT included

• Reference ID 501
• Builder One-Off
• Model Quarter tonner Joubert
• Joubert Nivelt
• Location Spain
• L.O.A. (mtr) 7.77
• Beam (mtr) 2.75
• Draft (mtr) 1.534
• Displacement (Kg) 1314
• Engine Renault

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Yacht description.

Proto Quarter ton designed by Michel JOUBERT and built in Sandwich carbon-Kevlar 

1/4 tonner in very good condition, she had a full refit in 2018

• 2 folding blades propeller
• Antifouling Hempel SlicOne February 2020
• New hull paint Riveryachtcoating feb. 2020
• Standing rig full dyform 2018
• Main One Sails Vector3 2019
• Main for training / transport good condition
• Genoa 1 130% One Sails 2020
• Genoa 2 110% Quantum, old
• Genoa 3 105% dacron, old, good condition
• Spi large Quantum, Perfect condition
• Midium medium Quantum, good condition
• Spi small, old

Deck and Cockpit

Deckhardware renewed totally 2018

Complete electrical system 2018

• Mastervolt battery charger
• Two Bosch 2018 batteries
• Navigation lights and masthead
• LED interior lighting

Electronics and Navigational Gear

Autopilot Raymarine St6000

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Contact Details

• Name Site Broker | Racing-Yachts.com
• Email [email protected]
• Phone 1234567
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