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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

    09.11.2010

    Strength and perseverance.

    Whilst Guadeloupe was providing a brilliant welcome to the undisputed winner of this ninth Route du Rhum-La Banque Postale, the end of the race is still a way off for Yann Guichard, who hasn’t been favoured over the past two days, in a zone of storms which seems to be constantly expanding. Despite these conditions, the skipper of Gitana 11 isn’t ab…

    par Gitana

    Whilst Guadeloupe was providing a brilliant welcome to the undisputed winner of this ninth Route du Rhum-La Banque Postale, the end of the race is still a way off for Yann Guichard, who hasn’t been favoured over the past two days, in a zone of storms which seems to be constantly expanding. Despite these conditions, the skipper of Gitana 11 isn’t abandoning his determination.
    Whilst the top three in the ‘ultimate’ class were in the vicinity of the Caribbean arc, Gitana 11 was positioned over 500 miles from Guadeloupe in very fickle, evanescent breezes. The weather conditions for the end of this course really haven’t favoured the trimaran fitted out by Baron Benjamin de Rothschild and the separation in relation to the winner is no reflection of the energy Yann Guichard has had to put in to keep up with the hellish pace set by Groupama 3: “The SSE’ly breeze is still very light this Tuesday afternoon and I will even be forced to link together a series of gybes to get to Guadeloupe. It’s not a storm; I’ve had between three and six knots of breeze for the past two days! When I hear that my three other direct rivals are in the process of finishing it’s a bit tough to take onboard. The hardest thing is that Francis managed to get through the squalls and not me. In this transatlantic, I’ve had to deal with more storms in the past week than I have in my entire lifetime. It’s been crazy, especially as I haven’t once had the opportunity to slip along since the start. At the end of all that it’s Francis that gets into a fast reach in ten knots of breeze whilst I’m stuck fast even though they’d have been the best possible conditions for Gitana 11! I think back to the period when Idec and I were traversing the front at the same time and I got stuck for ten hours without wind… I haven’t had a nice vein of air to slip along on and to get creamed as I am at the moment isn’t easy to live with. I’m going to have a two day deficit and that kind of separation doesn’t seem to me to be a true reflection of what I can do on the water.”
     
    Congratulations Franck!
    Yann Guichard still has two days at sea before he in turn reaches Pointe-à-Pitre, as the tradewinds still aren’t deigning to settle into their usual position, the wind having been drawn up by the tropical depression Tomas to the North of Haiti. Sailing under gennaker in ten to fifteen knots of breeze according to the mood of the wind gods, Gitana 11 should get her first sighting of the West Indies from Thursday morning if the weather conditions don’t deteriorate any further. In the meantime the skipper of the Gitana Team was keen to congratulate the outright winner of this 2010 edition, along with the other competitors who will complete the podium: “From the start we could see Groupama 3 was really very quick, even in the light airs at Saint Malo, and in the Bay of Biscay nobody was able to keep up. It couldn’t have been easy for Franck Cammas: to maintain such average speeds for so long is something else! Of course he didn’t suffer the shifting breezes and squalls that Francis and I had to endure, which put a lot of pressure on us for a week, but what a trajectory and what a masterfully driven race!”
     
    Franck Cammas completed the 3,540 theoretical miles of the transatlantic in 9 days 3 hours 14 minutes 47 seconds. The Gitana Team thus conserves the event record of 7 days 17 hours 19 minutes 6 seconds, set back in 2006.
     
    Ranking for the Ultimate Category on 9th November at 1500 GMT
    1- Groupama 3 finished on Tuesday 9th November at 15h16 GMT
    2- Idec 92.3 miles astern
    3- Sodebo 208.3 miles astern
    4- Gitana 11 some 562.9 miles astern
    5- La Boite à Pizza 1,085.4 miles astern
    6- Défi Cancale 1,403.3 miles astern
    7- Saint-Malo 2015 some 1,469.4 miles astern
    Retirement- Côte d’Or II