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Tanton History & Reviews

YVES-MARIE TANTON With over 650 completed boat designs and projects over a 43 year period, Tanton is well versed in all aspects of yacht design, naval architecture, marine engineering, new construction and brokerage. Known as the yacht designer’s naval architect, he has dozens of champion boats to his credit. A pioneer in the use of carbon fiber spars, he has proven to the world the superiority qualities of carbon fiber, allowing boats to have masts that are much lighter and stronger   http://www.tantonyachts.com/ http://www.cruisingworld.com/sailboats/boat-reviews/tanton-43-a-ketch-of-a-different-cult http://www.cruisingworld.com/people/people-and-food/a-trinity-with-vision

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• Yacht Design

Tanton Yacht Design

An introduction to cat ketch and to free-standing rig.

The Cat ketch rig is not an aberration but the most popular and prolific sailing rig of yesteryear, evolving from the New Haven Sharpie of the 1850’s. Minimal crew and ease of handling were important in working sailboats. Sailors turn to the Cat Ketch rig as they once more seek the same virtues.

It is interesting to note the appearance of recent articles in various publications extolling the advantages of free -standing rig. We are seeing Carbo-Spar with their Aerorig, the stay-less French Admiral’s cup boat Krazy K-Yote 2, the word that some America’s Cup boat uses the mainsail to twist the carbon mast to present a better alignment with the wind. One can also note my design introduction of a free- standing rig for the use with the America’ Cup yacht “Independence”, a challenge sponsored by a Connecticut syndicate. She could have been the fastest boat to compete in the 1992’s America’s Cup races. This Cup yacht could be even faster and easier to handle that the current crop of America’s Cup boats for the year 2000 race.    

I have produced custom sailboats for years, designed, engineered and constructed to be the optimum with various rig configurations. But I have also developed Cat-Ketch rigged yachts. By this I mean boats with rig and hull designs conceived for proper balance, which requires a certain degree of contrary thinking from that required to design sloop or cutter rigs.

The Marine Industry 23 years ago with one exception was not geared toward the free-standing rig and the Cat-Ketch in particular. To compensate for this a manufacturing capability had to be developed. The carbon composite technology for producing the rigs surpassed anything seen in the sailing industry.

I am convinced that free-standing- rigged cruising boats in the 35’ LOA and larger range should have two masts to maximize performance, ease of handling and cruising enjoyment. The Cat ketch rig provides the optimum power to weight ratio for larger boats with the least amount of weight aloft. It allows for proper balance of hull/rig parameters, lowers the center of effort, increases the boat’s stability, allows for the shallowest draft with the best windward ability, and lets you carry maximum sail with the easiest sail handling capability in all sorts of sailing conditions.

To accomplish the best design and construction of larger Cat Ketch yachts, it is necessary to develop the technology to produce lightweight and extremely strong carbon-fiber composite, free- standing masts to be used with wishbone booms. Aluminum and wood can be used on smaller boats were loading factor are not substantial enough to require carbon composite masts or justify their cost. They must, however, be fabricated from the highest-grade aluminum alloys and designed to accept bending moments to handle loads created by forces inherent in the boat’s hull design. And preferably utilized with a Cat- ketch rig which subjects each mast to far lower loads in relation to the sail area than a similar size boat with cat boat rig or free-standing sloop rig. Use of the wishbone boom in its fullest sense requires that the full camber (draft) of each sail can be set with no pinching of the sail or distortion of air flow, while the entire boom should be capable of rotating more than 180 degrees about the spar. Not possible on a rig with shrouds or a boom affixed to a gooseneck. The wishbone boom acts as both the boom and vang, being one piece of equipment that replaces all the normal complexities of gear and equipment associated with straight booms affixed to a gooseneck at the mast. If increased roach is desired for racing or extreme light air performance, full battens need then only be adds to the top half of each sail. Wishbone booms also provide the easiest possible sailing with no threat of boom hitting anyone in the cockpit. Only one or two winches are necessary, and no large crew required handling them.

The rig technology and hull designs have created Cat Ketch rigged yachts where each mast is, in effect, a true flex loading beam incorporated into a hull designed and constructed specifically to work with its qualities.

Combined with wishbone booms, these yachts have proven to be well balanced with excellent windward ability. Yachts which can be handled with the absolute minimum of gear and equipment. The result is a sailing yacht, which I believe provides the best of both worlds–excellent performance, easy handling, and complete cruising comfort. No excess headsails or gear, no crew, and no work! They answer the need for an easier and less complicated way to enjoy sailing .

• 10 years ago

Any size, any type, any service.

To receive a catalogue for over 250 designs from 10’ to 150’, please send an e-mail  here  with your postal mailing address with a brief description of what you are interested in.  

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TANTON YACHT DESIGN.

Naval Architecture - Marine Engineering - Boat Plans - New Construction - Yacht Sales - Charter. Worldwide. Since 1974.

Friday, January 26, 2024

Tanton yacht design is 50 years old.

Very hard to believe. 

- From being 27 years old to now, and to the future.

- Making, in my field one of the oldest Design Firm in America. Sparkman and Stephens being the "doyen".

- Yes, I work mostly by myself, but at times I had very good helpers to contribute my wayward ways of going about things. 

Steve Baker of Jamestown and Jeremy McGeary come to mind. Very good indeed on the Design side.

I am not mentioning people involved with my Boat Building and Brokerage Ventures. Lets say that I also got involved with 3 start ups, others entities about boats, material and construction.

Sunday, October 22, 2023

Ticonderoga..

Wednesday, September 20, 2023

Marc lombard..

- C'est avec tristesse que J'ai appris la mort de Marc Lombard.

- Lombard Yacht Design a été depuis 1982 une force dans le petit monde des architectes dessinant 

essentiellement pour la Plaisance.

- J'ai eu le plaisir de le rencontrer en Belgique a l'époque de la construction de Cote d'Or pour Eric Tabarly 

et de mon propre Desperado par le chantier Amtec. Lui meme ayant a Catamaran de 40' en lancement.

-Plus tard, j'ai pris connaissance d'un grand  bateau de charter base sur la coque de vendredi 13 utilisée 

comme moule.

- Mais aussi avec la gentillesse de me fournir quelques plans de details d'un Catamaran Privilege, lequel 

je devais rallonger d'une manière importante.

Farewell M.

Friday, August 11, 2023

La trinite sur mer. 10-11 august 2023..

- Dick Carter at the helm.

Organized by: " Les amis de Dick Carter" On Facebook.

Rendez-vous avec Dick Carter en vue de courir la Carter Cup, en la presence de Dick Carter avec qui j'ai 

eu la chance de travailler pendant des années.

Tuesday, May 23, 2023

Ocean race. newport stop., wednesday, april 19, 2023, minitransat2023..

 A recent commission to be built in the USA. TYD#230. MiniTransat.

Wednesday, March 29, 2023

Merle hallett r.i.p.

 A man, a sailor and an entrepreneur.

Merle gave me the opportunity to Design one of his boats; the 42' Scaramouche, that he built in his own Boatyard.

  Very hard to believe.  - From being 27 years old to now, and to the future. - Making, in my field one of the oldest Design Firm in America...

Bayesian superyacht maker says his boats are ‘unsinkable' as probe into tragedy continues

The boss of the company behind the doomed Bayesian superyacht has described the vessel as "unsinkable".

Giovanni Costantino, who heads The Italian Sea Group, insisted that boats built by his firms are "safest in the most absolute sense".

Speaking to Sky News, Mr Costantino defended the yacht's design, saying there were no flaws or mistakes in the Bayesian, which capsized in a storm off the Sicilian coast and sank within minutes .

In a separate interview with Italian TV, he attributed the wreck to "human error".

Mr Costantino, whose company owns Perini Navi, the manufacturer of the Bayesian, said: "Being the manufacturer of Perini [boats], I know very well how the boats have always been designed and built.

"And as Perini is a sailing ship... sailing ships are renowned to be the safest ever."

He claimed the boats' structure and keel make them "unsinkable bodies".

Expressing his disbelief, Mr Costantino added: "This incident sounds like an unbelievable story, both technically and asa fact."

Addressing the sinking's cause, he told Italian TV: "The ship sank because it took on water. From where, theinvestigators will say."

He added: "The dynamic of the sinking is seen and read from AIS (Automatic Identification System) data and lasted sixteen minutes."

Mr Costantino suggested the boat had been taking on water and "all it took was another guest" to turn her over."She then straightened very briefly before going down," he said.

Six bodies have been recovered after the luxury yacht sank in a storm off the coast of Sicily around 4.30am local time.

The Italian Coastguard previously did not rule out the possibility that the missing, including the British technology tycoon Mike Lynch and his 18-year-old daughter Hannah, might have survived, with experts speculating that air pockets could have formed as the Bayesian sank.

The other passengers on board were Jonathan Bloomer, the chairman of Morgan Stanley International bank, and his wife, Judy, and Chris Morvillo, a lawyer with Clifford Chance, and his wife, Neda.

Another body - that of Recaldo Thomas, the yacht's chef - was recovered from the sea on Monday.

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Tanton : Tanton Yacht Design.

TYD#ST201. Revision to the Accommodation Plan. February 2021. Posted by: Tanton - website: http://tantonyachtdesign.blogspot.com

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