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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

    08.06.2005

    First Grand Prix.

    The 7 trimarans entered in the Grand Prix de Calvi (9th to 12th June) have been training in the bay of the Corsican harbour since the start of the week. In 2004, Calvi was the first Grand Prix won by Gitana 11 with Frédéric Le Peutrec at the helm.

    par Gitana

    The 7 trimarans entered in the Grand Prix de Calvi (9th to 12th June) have been training in the bay of the Corsican harbour since the start of the week. In 2004, Calvi was the first Grand Prix won by Gitana 11 with Frédéric Le Peutrec at the helm.

    This Corsican Grand Prix therefore has a special colour for the Gitana Team, all the more so given that Gitana X will also be lining up on the start with a crew of bright young things fired up and ready to go on their first Grand Prix. Whilst the season’s first ocean race from Lorient to Nice showed that the winter lay-up has certainly paid off in the case of both Gitana, this event in Calvi is important to validate the developments in a context of short intense racing. Frédéric Le Peutrec and his crew came out top last September in Calvi ahead of Karine Fauconnier and Franck Cammas. Conditions were medium, nearing light towards the end. But fierce battles were fought out on the course. In a seven strong fleet, it is not easy to remain in contact. You have to mark your opponents continually if you are to keep them at bay, the final scoreboard being built progressively as each round is sailed. Speed and tactics have to be reconciled on a course which is difficult to interpret in light air and much easier to get to grips with in medium conditions. Twenty-four hours from the start of the 250 mile long Round Corsica Race which opens this first Grand Prix, it is still pretty difficult to determine what the weather has in store. On Sunday, there was a 30 knot wind, by Monday morning it had turned into a 15 knot breeze, falling off almost completely to a meagre 5 knots by the evening. Come Tuesday morning, the wind had increased again to 20 knots and dropped of again by the afternoon. The Mediterranean remains true to form, every bit as difficult to forecast in advance !

    Whatever the configuration, the Gitana Team is ready to attack and has already been able to get into shape during the intensive training sessions since Saturday for Gitana X and Monday for Gitana 11.

    Frédéric Le Peutrec (Gitana 11) :

    « On Monday we had a training session with five other trimarans but there was not much wind (2-6 knots). The fleet is fairly homogenous – there really is little to separate them. Gitana 11 demonstrated her potential with a rapid start in gusty conditions and clear improvements in the way she gets up to speed and in tacking. The textile mainsheet replacing the previous hydraulic system allows for sensitive trimming and makes the team more reactive when it comes to hauling in and easing out the sheets. Groupama-2 was no more impressive than Géant, TIM or Foncia… Meanwhile, alternatively, everyone was well placed. 
    Daniel Souben has joined us on tactics replacing Yann Guichard and it is all going pretty well. With Alex Quiblier on the winches, Jean-Baptiste Levaillant and Jean Le Huérou-Kérisel trimming, we have renewed the crew a little but these two first days of fleet races turned out to be very positive.
    In 2004, the Grand Prix de Corse was the last but one meeting before the end of the season, this time Calvi marks the opening of the Grand Prix series after the Lorient-Nice race… We’ve all had a chance to warm up on an ocean race but have not raced windward-leeward loops yet this year. This is anybody’s race as all of the trimarans have evolved. We’re in for a close fight! »

    Thierry Duprey du Vorsent (Gitana X) :

    « The crew is really starting to find its bearings even if there is still a way to go to get everything properly coordinated. Our objective on this first Grand Prix of the season is to have the new recruits see what this type of racing is all about and validate the modifications made over the winter.  We are aware that we are at the start of our learning curve and that we need to keep improving with each event. We have already made noticeable progress but we know that in choppy seas, Gitana X falls short in terms of speed to the tune 8 to 13 knots.
    We have also managed to stick to the programme we set ourselves, both in terms of preparation for the two-handed races with Erwan for the Transat Jacques Vabre, and for the Grand Prix training sessions. We have been out in the Bay of Calvi twice on our own but have not yet sailed with the other trimarans since last year. A third of the crew has never sailed this type of course yet. It obviously takes a little bit of time to get used to it but everyone is highly motivated. »

    Crew – Gitana X

    Thierry Duprey du Vorsent (skipper-helm), Erwan Le Roux (tactician), Mayeul Riffet (pit-navigator), Mathieu Tatibouët (mainsail trimmer), Yann Le Govic (mainsail trimmer), Jacques Guichard (trimmer), Caroline Vieille (trimmer), Arnaud de Boringer (wincher), Xavier Dagault (wincher), Antoine Carpentier (foredeck / n°2), Léopold Lucet (bowman / n°1)

    Crew – Gitana 11

    Frédéric Le Peutrec (skipper), Baron Benjamin de Rothschild (performer-navigator), Daniel Souben (tactician), Jean-Baptiste Levaillant (trimmer), Jean-Baptiste Epron (mainsail trimmer), Jean Le Huérou-Kérisel (trimmer), Alex Quiblier (wincher), Loïc Le Mignon (wincher), Antoine Mermod (pit), François Denis (foredeck / n°2), Christophe Lassègue (bowan / n°1)

    Trimarans entered in the Grand Prix de Calvi

    Foncia : Armel Le Cléac’h
    Banque Populaire : Pascal Bidégorry
    Géant : Michel Desjoyeaux
    Gitana X : Thierry Duprey du Vorsent
    Gitana 11 : Frédéric Le Peutrec
    Groupama-2 : Franck Cammas
    TIM-Progetto Italia : Giovanni Soldini