Archive | Hydroptère

l’Hydroptère.ch has now come true

Posted on 04 March 2010 by Valencia Sailing

[Source: Hydroptère] The Hydroptère project is not limited to the performance of the 60-feet trimaran which has beaten two world speed records at an average speed of over 50 knots in 2009 in the Mediterranean. Alain Thébault and his team decided to extend the limits of the project and planned to develop two new boats, with the ultimate objective of sailing around the world in approximately 40 days on l’Hydroptère maxi.

To reach this objective, the team with the help of retired engineers and of their scientific adviser, The Swiss Technological Institute in Lausanne, decided to follow the same experimental process as that employed by Alain Thébault in the development of l’Hydroptère and to consider an intermediate step, that being to build on a reduced scale a test model i.e. l’Hydroptère.ch.

l’Hydroptère.ch will serve as a lab boat whose main purpose is to test geometries and behaviours in varied real conditions for the development of l’Hydroptère maxi.

As a Swiss-French project l’Hydroptère.ch is being built in two shipyards, one in Brittany and one in Switzerland. The shipyard Décision SA, located in Ecublens close to Lausanne, is in charge of the central structural peak and of the floaters’ building for the 35-feet boat. The different constitutive parts of the central structural peak have been draped and cured and are now ready for the assembling process. The central structural peak will constitute the boat’s central hull which will not touch the water.

The floaters are now in their molding process. They will be cured next week. All this process will guarantee l’Hydroptère.ch’s optimal solidity.


The shipyard B&B based in La Trinité sur Mer has already manufactured the cross beams of the flying catamaran and has just finished the centreboard. With this centreboard, the boat will be able to sail with the foils out of the water when wind conditions do not allow a take-off. The shipyard’s employees are now working on the boat’s rudders and foils.

l’Hydroptère.ch will indeed be an authentic floating lab equipped with clever mechanical systems enabling many adjustments whilst sailing and with lots of sensors enabling many measurements.


The analysis of all these measurements will eventually enable the validation of architectural choices which will be the base of l’Hydroptrère maxi’s design, a boat capable of vanquishing oceanic records and of sailing safely around the world.

This objective of sailing around the world implied the development of a versatile platform. During a circumnavigation weather conditions can vary enormously and history has shown that on this route, speed records are very often achieved or lost in the zones that habitually experience lighter winds.

Thus the design of l’Hydroptère.ch was focused on the desire to maintain and optimize the equipment related to the boat’s speed and behaviour “in flight” whilst developing points such as versatility and navigation in light winds.

The objective then was to design a platform that could be efficient in her Archimedean version i.e. when conditions are not favourable for the boat to “take off” whilst maintaining a strong flight potential to demonstrate the difference with competitors whenever weather conditions permit and thus circumnavigate in 40 days. She should be launched beginning of summer 2010.

From concept to the world’s fastest yacht. Video copyright l’Hydroptère

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l’Hydroptère.ch has now come true

Posted on 04 March 2010 by Valencia Sailing

[Source: Hydroptère] The Hydroptère project is not limited to the performance of the 60-feet trimaran which has beaten two world speed records at an average speed of over 50 knots in 2009 in the Mediterranean. Alain Thébault and his team decided to extend the limits of the project and planned to develop two new boats, with the ultimate objective of sailing around the world in approximately 40 days on l’Hydroptère maxi.

To reach this objective, the team with the help of retired engineers and of their scientific adviser, The Swiss Technological Institute in Lausanne, decided to follow the same experimental process as that employed by Alain Thébault in the development of l’Hydroptère and to consider an intermediate step, that being to build on a reduced scale a test model i.e. l’Hydroptère.ch.

l’Hydroptère.ch will serve as a lab boat whose main purpose is to test geometries and behaviours in varied real conditions for the development of l’Hydroptère maxi.

As a Swiss-French project l’Hydroptère.ch is being built in two shipyards, one in Brittany and one in Switzerland. The shipyard Décision SA, located in Ecublens close to Lausanne, is in charge of the central structural peak and of the floaters’ building for the 35-feet boat. The different constitutive parts of the central structural peak have been draped and cured and are now ready for the assembling process. The central structural peak will constitute the boat’s central hull which will not touch the water.

The floaters are now in their molding process. They will be cured next week. All this process will guarantee l’Hydroptère.ch’s optimal solidity.


The shipyard B&B based in La Trinité sur Mer has already manufactured the cross beams of the flying catamaran and has just finished the centreboard. With this centreboard, the boat will be able to sail with the foils out of the water when wind conditions do not allow a take-off. The shipyard’s employees are now working on the boat’s rudders and foils.

l’Hydroptère.ch will indeed be an authentic floating lab equipped with clever mechanical systems enabling many adjustments whilst sailing and with lots of sensors enabling many measurements.


The analysis of all these measurements will eventually enable the validation of architectural choices which will be the base of l’Hydroptrère maxi’s design, a boat capable of vanquishing oceanic records and of sailing safely around the world.

This objective of sailing around the world implied the development of a versatile platform. During a circumnavigation weather conditions can vary enormously and history has shown that on this route, speed records are very often achieved or lost in the zones that habitually experience lighter winds.

Thus the design of l’Hydroptère.ch was focused on the desire to maintain and optimize the equipment related to the boat’s speed and behaviour “in flight” whilst developing points such as versatility and navigation in light winds.

The objective then was to design a platform that could be efficient in her Archimedean version i.e. when conditions are not favourable for the boat to “take off” whilst maintaining a strong flight potential to demonstrate the difference with competitors whenever weather conditions permit and thus circumnavigate in 40 days. She should be launched beginning of summer 2010.

From concept to the world’s fastest yacht. Video copyright l’Hydroptère

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L’Hydroptère smashes record over 1nm

Posted on 12 November 2009 by Valencia Sailing

[Source: l'Hydroptère] l’Hydroptère’s record campaign in the Mediterranean ended in great style last Sunday as Alain Thébault and his ten crew members smashed the record over one nautical mile i.e. exceeding 50 knots.

An average speed of 50.17 knots * (92.91 km/h) over 1 nautical mile (1.852 km). That is the new record to beat over this distance.

L’Hydroptère smashes record over 1nm. Hyères, 7 November 2009. Photo copyright Guilain GRENIER – www.martin-raget.com

Since April 2007, l’Hydroptère has improved this record which was brought to 41.14 knots by Bjorn Dunkerbeck in October 2006 i.e. 9 knots under l’Hydroptère’s last performance. Today such a speed over this distance seems difficult to exceed.

This last record is a wonderful present for Alain Thébault, Thierry Lombard and the whole team as well as for their new sponsor Audemars Piguet rewarding them for their commitment and perseverance.

(*) subject to WSSRC ratification

L’Hydroptère smashes record over 1nm. Hyères, 7 November 2009. Photo copyright Guilain GRENIER – www.martin-raget.com

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L’Hydroptère smashes record over 1nm

Posted on 12 November 2009 by Valencia Sailing

[Source: l'Hydroptère] l’Hydroptère’s record campaign in the Mediterranean ended in great style last Sunday as Alain Thébault and his ten crew members smashed the record over one nautical mile i.e. exceeding 50 knots.

An average speed of 50.17 knots * (92.91 km/h) over 1 nautical mile (1.852 km). That is the new record to beat over this distance.

L’Hydroptère smashes record over 1nm. Hyères, 7 November 2009. Photo copyright Guilain GRENIER – www.martin-raget.com

Since April 2007, l’Hydroptère has improved this record which was brought to 41.14 knots by Bjorn Dunkerbeck in October 2006 i.e. 9 knots under l’Hydroptère’s last performance. Today such a speed over this distance seems difficult to exceed.

This last record is a wonderful present for Alain Thébault, Thierry Lombard and the whole team as well as for their new sponsor Audemars Piguet rewarding them for their commitment and perseverance.

(*) subject to WSSRC ratification

L’Hydroptère smashes record over 1nm. Hyères, 7 November 2009. Photo copyright Guilain GRENIER – www.martin-raget.com

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Video: The world’s fastest sailing yacht blasts two speed records

Posted on 07 September 2009 by Valencia Sailing

The absolute speed record fell, the Hydroptère broke the mythical barrier of 50 knots.

On Friday, September 4th, the Hydroptère received the title of the fastest sailboat on the planet for 500 meters and one nautical mile, achieved off Hyères.

An average speed of 51.36 knots over 500 meters and 48.72 knots over a nautical mile now become the two new records to beat (subject to ratification from the WSSRC).

L’Hydroptère blasts two speed records. Hyères, 4 September 2009. Video copyright l’Hydroptère

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Video: The world’s fastest sailing yacht blasts two speed records

Posted on 07 September 2009 by Valencia Sailing

The absolute speed record fell, the Hydroptère broke the mythical barrier of 50 knots.

On Friday, September 4th, the Hydroptère received the title of the fastest sailboat on the planet for 500 meters and one nautical mile, achieved off Hyères.

An average speed of 51.36 knots over 500 meters and 48.72 knots over a nautical mile now become the two new records to beat (subject to ratification from the WSSRC).

L’Hydroptère blasts two speed records. Hyères, 4 September 2009. Video copyright l’Hydroptère

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L’Hydroptère beats two speed records

Posted on 05 September 2009 by Valencia Sailing

Alain Thébault and his eight crew members started their first day of training on Friday morning in the Hyères harbor on Hydroptère under excellent conditions that ultimately lead to the French multihull breaking two records several times by the end of the day.

During the 4th run, l’Hydroptère team significantly improved the record over one nautical mile at 44.9 knots. Just two hours later, the record over one nautical mile was smashed and increased to 46.6 knots and that over 500 meters significantly improved at 47.7 knots.

Another two hours later the average speed over one nautical mile edged 2 knots and reached 48.7 knots while with a top speed at 54 knots l’Hydroptère crossed the 50-knot barrier over 500 meters with a run at an average speed of 50.3 knots.

It seemed there was no end in sight for the record-breaking streak. Alain Thébault and his crew broke the record again when they reached an average speed of more than 51 knots over 500 meters.

The data will be confirmed after the analysis of the measurements and will then be validated by the WSSRC.

L’Hydroptère keeps breaking speed records. Hyères, 4 September 2009. Photo copyright Gilles Martin-Raget

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L’Hydroptère beats two speed records

Posted on 05 September 2009 by Valencia Sailing

Alain Thébault and his eight crew members started their first day of training on Friday morning in the Hyères harbor on Hydroptère under excellent conditions that ultimately lead to the French multihull breaking two records several times by the end of the day.

During the 4th run, l’Hydroptère team significantly improved the record over one nautical mile at 44.9 knots. Just two hours later, the record over one nautical mile was smashed and increased to 46.6 knots and that over 500 meters significantly improved at 47.7 knots.

Another two hours later the average speed over one nautical mile edged 2 knots and reached 48.7 knots while with a top speed at 54 knots l’Hydroptère crossed the 50-knot barrier over 500 meters with a run at an average speed of 50.3 knots.

It seemed there was no end in sight for the record-breaking streak. Alain Thébault and his crew broke the record again when they reached an average speed of more than 51 knots over 500 meters.

The data will be confirmed after the analysis of the measurements and will then be validated by the WSSRC.

L’Hydroptère keeps breaking speed records. Hyères, 4 September 2009. Photo copyright Gilles Martin-Raget

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