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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

    19.10.2005

    After the Grand Prix series.

    After the five Grand Prix run this season, Gitana 11 has clocked up the greatest number of wins on rounds raced (behind the untouchable Groupama-2), taking five out of thirty-nine races, ahead of Banque Populaire who won three. Yann Marilley, Gitana Team Manager looks back over the season in the run up to the two-handed Transat Jacques Vabre.

    par Gitana

    After the five Grand Prix run this season, Gitana 11 has clocked up the greatest number of wins on rounds raced (behind the untouchable Groupama-2), taking five out of thirty-nine races, ahead of Banque Populaire who won three. Yann Marilley, Gitana Team Manager looks back over the season in the run up to the two-handed Transat Jacques Vabre.

    Doing our sums of the point scored over the five Grand Prix run this season, out of a total of thirty-nine rounds, Groupama-2 is clearly in the lead, with Gitana 11 and Banque Populaire neck and neck. The only two other trimarans to have won a round (five for Frédéric Le Peutrec, three for Pascal Bidégorry). In fact, the (unofficial) rankings based on the results of the five Grand Prix alone – Calvi, Marseille, Vigo, Fécamp, Lorient – gives a perfect illustration of how Groupama-2 dominates the circuit, in a grand slam taking thirty-one rounds out of  possible thirty-nine. A remarkable score demonstrating the extent to which the lastest trimaran on the circuit is particularly at home in light air, which was the norm in a year where more than twenty-five rounds were started in less than 12 knots. 
    Gitana 11 had a few ups and downs depending on the weather. In winds below eight knots, the trimaran had tough time staying on source and maintaining a steady speed against fellow competitors by the likes of Banque Populaire, Géant, Foncia and Groupama-2. Frédéric Le Peutrec and his crew did not do nearly so well in Vigo and Fécamp, two Grand Prix where the wind was conspicuous by its absence. On the other hand, the last Grand Prix was run in more than twenty knots, ad confirmed that boat and crew were a force to be reckoned with in windy conditions winning three out of the nine rounds run. 
    Overall, Franck Cammas in the Grand Prix leader, followed by Pascal Bidégorry and  Frédéric Le Peutrec. But when you take into account all of the races run, thirty-nine in all,  Gitana 11 moves ahead of Banque Populaire, indicating greater consistency in the rankings throughout thus far. For Gitana X, this unofficial score is not a guage of the net gain in potential acquired throughout the season, nor of the high level of cohesion between crew, skipper and tactician. In spite of Thierry Duprey du Vorsent having twice finished fourth, in Vigo and Fécamp, most of the time Gitana X found herself up front before being overtaken in by boats which are quite simply faster. 

    Summery of results over 39 rounds raced in the five Grand Prix of the series (rankings of the Grand Prix in Calvi, Marseille, Vigo, Fécamp, Lorient) :

    Groupama-2 (1+1+1+1+1 = 5) 53 points
    Gitana 11 (2+2+4+4+3 = 15) 120 points
    Banque Populaire (3+4+2+3+2 = 14) 122 points
    Géant (4+3+3+5+5 = 20) 145 points
    Foncia (7+5+5+2+4 = 23) 177 points
    Gitana X (5+7+6+6+6 = 30) 229 points

    Yann Marilley :

    « A mixed conclusion for the Gitana Team over the five Grand Prix. We are satisfied as our aim at the outset was to have one boat in the first three in the Multihull Championship rankings before the start of the Transat Jacques Vabre. But it is disappointing to have alternated between first and fourth, particularly in the last Grand Prix. We have to be relative about though. With the exception of Banque Populaire, whose performance was very consistent, with a boat which is easy to sail, all members of the fleet have gone through ups and downs. Even Groupama-2 when you look at the results in Marseille, Fécamp and Lorient. Winning three rounds in the last met at Lorient was a source of satisfaction, but we still have to work harder if we are to win a Grand Prix. Conditions were not always on our side as on many occasions, the winds were under eight knots. Neither of the team’s boats performs well in such situations due to their forms. Once wind speed exceeded 15 knots, Gitana 11 was up to winning rounds (Marseille, Fécamp, Lorient). She was originally conceived and designed for ocean-racing.  We know that both trimarans are excellent on the open sea, fast and healthy in windy conditions. It is realistic to suppose that a top three place is possible in the last race of the season, the Transat Jacques Vabre. Gitana 11 can hope to achieve more than third overall in the Multihull Championship.
    Moreover, throughout the year, Gitana X has progressed all the time in terms of manœuvres and tactical choices. In the future, the aim is to become increasingly independent in terms of yard facilities and optimisation of the boats. We have taken on Hubert, from the Fujifilm stable. He is a great carbon specialist and will be acting as shop steward for all carbon components. We are working with another ex-Fujifilm Team member, Bernard Pointet, in developing the boats with a rather innovative vision. »

    Overall rankings – Multihull Championship 2005 (after the IB Group Challenge, the Giraglia race and five Grand Prix) :

    1-Pascal Bidégorry – Banque Populaire (16 points)
    2-Franck Cammas – Groupama-2 (21 points)
    3ex-Frédéric Le Peutrec – Gitana 11 (27,5 points)
    3ex-Michel Desjoyeaux – Géant (27,5 points)
    5-Armel Le Cléac’h – Foncia (36 points)
    6-Thierry Duprey du Vorsent – Gitana X (47,5 points)
    7-Giovanni Soldini – TIM Projetto Italia (117 points)
    8 (equal) Thomas Coville – Sodebo (147 points)
    8 (equal) Yvan Bourgnon – Brossard (147 points)