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  • Gitana 18
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  • Retractable Y-shaped foils, adjustable in three dimensions

    Inspired by the appendages of the America's Cup foiling monohulls, these Y-shaped foils have a wingspan of over 5 metres. They are designed to generate powerful lift, increase power and offer a wide range of adjustments to optimise flight at every point of sail and in all conditions. Beyond their impressive size, these foils feature many unique innovations.

    Revolutionary U-shaped rudders

    These are probably the most visually striking innovations on the new Maxi Edmond de Rothschild. To fly high above rough seas while maintaining control, the team wanted very long rudders that would remain in contact with the water. The challenge is that longer rudders tend to flex under load, severely affecting steering and the efficiency of their lifting surfaces. A new geometry was needed to give these appendages maximum stiffness, resist cavitation and ultimately improve control of the boat and make better use of its power. The result is a set of U-shaped rudders over 4 metres long, a metre longer than those on Gitana 17. Their shape, reminiscent of a tripod or an inverted π, is only the visible part of what makes them so distinctive.

    A daggerboard optimised to stabilise the boat and limit cavitation

    With its wide span, the daggerboard resembles an aircraft tail assembly, with two adjustable flaps: one on the vertical section and the other on the horizontal section, the distinctive “manta-ray wing”. On Gitana 18, the innovation is to position this wing behind the vertical part of the appendage, rather than directly beneath it, to minimise flow disturbance and cavitation.

    Gitana 18’s daggerboard

    Rig: adjustable spreaders to control mainsail power while sailing

    Gitana 18’s mast is 1.50 metres taller than its predecessor’s. The boom is also shorter, creating a more slender sail plan. The major innovation is a set of spreaders that can be adjusted while sailing to bend the mast fore and aft. Actuated by hydraulic rams, these spreaders can pivot through 35 degrees to adjust the bend in the middle of the mast. This unprecedented system allows the sailor to control mainsail power: adding depth in light winds to take off sooner, or flattening the sail to reduce power at high speed or in strong winds. Adjusting the depth, and therefore the power, of the mainsail can also save a solo sailor time and energy by reducing the need for risky manoeuvres or headsail changes.

    Central hull:
    an integrated, structural coachroof

    The naval architects and Gitana design team wanted an exceptionally stiff, structurally robust platform. This applies both to the floats, which must withstand heavy loads from the foils and rudders, and to the central hull, which is subject to torsion. The enclosed coachroof is integrated into the hull and contributes to its structural strength. Inside, the cockpit brings all sail-handling controls together, with ergonomics shaped by many hours of design and development. The coachroof also stands out for the number and size of its windows. This configuration meets the visibility requirements of the Ultim class rules and gives sailors the best possible view to keep a visual watch.

    Gitana 18’s coachroof

    12.11.2006

    A transat rich in experiences.

    Gitana 12 crossed the finish line in Guadeloupe on Saturday 11 November at 04:54 (French time) after 12 days 14 hours and 52 minutes' racing. Thierry Duprey du Vorsent saw his mainsail tear again as he started to round the island, the final phase of the event. But in spite of these difficulties, the Route du Rhum novice's memory is now filled with…

    par Gitana

    Gitana 12 crossed the finish line in Guadeloupe on Saturday 11 November at 04:54 (French time) after 12 days 14 hours and 52 minutes’ racing. Thierry Duprey du Vorsent saw his mainsail tear again as he started to round the island, the final phase of the event. But in spite of these difficulties, the Route du Rhum novice’s memory is now filled with a wealth of experience gleaned over this very demanding 3,550-mile course.

    For his first solo trimaran sailing experience, Thierry Duprey du Vorsent suffered a succession of technical problems: computer playing up, then bow ripped by a whale, mainsail torn above the third reef, repaired than re-torn a few miles from the finish… What’s more, the weather conditions encountered by the Gitana 12 skipper were not as favourable as for his Gitana Team stablemate, Lionel Lemonchois, the winner of this eight Route du Rhum – La Banque Postale. The arrival of a tropical depression on his route very significantly disrupted the end of Thierry’s course, but he had above all sought to protect his trimaran after the “head butt” given to his craft by a cetacean in the ocean off the Azores. But despite all these travails, Gitana 12 still managed to finish within eight hours of the previous record set by Laurent Bourgnon in 1998 (12d 08h 40′ 06”), a fact that testifies to Thierry’s single-mindedness during his twelve and a half days at sea.

    Thierry Duprey du Vorsent (Gitana 12):

    “This transat has been overwhelmingly positive for me, despite some very tough moments. It’s been a tremendous experience but a few days before the finish, I felt as if it was never going to end! When I finally caught sight of land, it was a fantastic feeling: I was arriving despite all the problems… I had at least managed to install the gennaker again before rounding Guadeloupe, as there wasn’t a lot of wind and the sea was calm. Going round Guadeloupe gave me mixed feelings: on the one hand, sailing together with Bilou (Roland Jourdain), the first monohull to finish, was very nice, but on the other, it was just about the last straw when the mainsail tore again! Especially as the wind was picking up gradually as night fell… The finish line was still a long way away: it just didn’t seem fair.
    But solo sailing is really great! I thought it was going to be harder being all alone, with no one to share things with, but now I know I like it. I’ve still got work to do, but at least I’m comfortable. In fact I felt more and more so as the miles passed. It’s a very specific exercise, of another type altogether that forces you to take your responsibility and rely only on yourself, to manage the technical problems without losing your grip. It’s fantastic! I never let my head drop, even when I had one problem after another.
    I wasn’t able to race along like Lionel, primarily because the weather conditions weren’t the same behind. But finding yourself in the dead of night amid the stars and that incredible full moon… I’m really lucky to have made the crossing, to have gone all the way and learnt so many things. I can’t wait to do it again! There were moments when I felt down in the dumps, but they never lasted: I never lost the desire to sail, to do my best. The only thing that really got to me was the sail ripping again: the last fifteen miles almost drove me nuts… But it’s already forgotten now.
    I’ve had a brilliant sleep to help me recover, but I think it’s going to take a bit of time to learn how to live back on land, to recover. I feel so great, I could almost go for a jog!”


    1-Lionel Lemonchois (Gitana 11) in 7 days 17 hours 19 minutes 06 seconds at an average of  19.1 knots over the 3,550-mile course, 4d 15h 22′ better than the record time set by Laurent Bourgnon in 1998
    2-Pascal Bidégorry (Banque Populaire IV) in 8d 04h 25′ 07”, 11h 06′ 01” behind the winner
    3-Thomas Coville (Sodeb’O) in 8d 13h 39′ 02”, 20h 19′ 56” behind the winner
    4-Michel Desjoyeaux (Géant) in 8d 13h 48′ 24”, 20h 29’18” behind the winner
    5-Franck Cammas (Groupama-2) in 8d 17h 55′ 17”, 1d 00h 36′ 11” behind the winner
    6-Yvan Bourgnon (Brossard) in 9d 00h 40′ 15”, 1d 07h 21′ 09” behind the winner
    7-Alain Gautier (Foncia) in 9d 16h 14′ 40”, 1dj 22h 55′ 34” behind the winner
    8-Claude Thélier (Région Guadeloupe-Terres de Passions) in 11d 11h 56′ 51”, 3d 18h 37′ 45” behind the winner
    9-Antoine Koch (Sopra Group) in 12d 00h 59′ 41”, 4d 07h 40′ 35′ behind the winner
    10-Thierry Duprey du Vorsent (Gitana 12) in 12d 15h 52′ 00′, 4d 22h 32′ 54” behind the winner
    11-Gilles Lamiré (Madinina), 1,170 miles from the finish
    12-Stève Ravussin (Orange Project) abandoned