||It has been suggested that Alain Thébault be merged into this article. (Discuss) Proposed since December 2011.|
Hydroptère is an experimental sailing hydrofoil trimaran designed by French yachtsman Alain Thébault. Its multihull hydrofoil design allows the sail-powered vessel to reach high speeds on water. The design is based on experience from a range of hydrofoil sailcraft that Thébault built in cooperation with the late Éric Tabarly since the 1990s. On 5 October 2008 she reached a record speed of 52.86 knots (97.90 km/h; 60.83 mph), however this was over a shorter distance than the 500m necessary to qualify for an official world record. On 21 December 2008, the Hydroptère briefly reached 56.3 knots (104.3 km/h; 64.8 mph) near Fos-sur-Mer, but capsized and turtled shortly thereafter.
On 4 September 2009, the Hydroptère broke the outright world record, sustaining a speed of 52.86 knots (97.90 km/h; 60.83 mph) for 500 m (1,600 ft) in 30 knots (56 km/h; 35 mph) of wind. In November 2009, she broke the 50-knot (93 km/h; 58 mph) barrier for a nautical mile with a speed of 50.17 knots (92.91 km/h; 57.73 mph) in Hyères, France.
- Matthew, Campbell (12 November 2008). "Flying yacht in battle to crack 50-knot barrier". The Times (London). (subscription required (. ))
- Though it was first announced that the ship reached 61 kn: "Pointe de l'Hydroptère à 61 noeuds". YouTube (in French).
- "Les données officielles ont été récupérées". L'Hydroptère (in French). 14 January 2009. Archived from the original on 2010-10-08.
- "Hydroptere: 61 knots and huge crash with 35-38 knots, gusts over 45". Catamaran Racing. 22 December 2008. Retrieved 19 November 2013.
- "WSSR Newsletter No 177. Hydroptere World Records. 23/09/09". Sail Speed Records. World Sailing Speed Record Council. 23 September 2009.
- "Nautical Mile Records". Sail Speed Records. World Sailing Speed Record Council. Retrieved 20 November 2013.
|Wikimedia Commons has media related to L'Hydroptère.|
- Hydroptère official site
- Real-time Model at EPA
- Youtube Video of Hydroptère
- 4 September 2009, world record video (51.36 kts) on Youtube
- www.hbm.com (The Worlds Fastest Sailing Boat using HBM Measurement Technology)
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