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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

    10.06.2005

    Gitana 11 second in Calvi.

    Gitana 11 takes second place behind Groupama-2 in the first round of the Grand Prix de Corse - the Round Corsica Race, in which Franck Cammas and Frédéric Le Peutrec fought a particularly fierce battle. After a 250 mile long duel, only ten minutes separated the two leaders !

    par Gitana

    Gitana 11 takes second place behind Groupama-2 in the first round of the Grand Prix de Corse – the Round Corsica Race, in which Franck Cammas and Frédéric Le Peutrec fought a particularly fierce battle. After a 250 mile long duel, only ten minutes separated the two leaders !

    Eleven or so knots, the average speed of the two leaders finishing in Calvi this morning, just in time for breakfast. The wind was not always that co-operative ! It all started in the Bay of Calvi on a preliminary course where Franck Cammas came out with a 500 metre lead over Pascal Bidégorry and Frédéric Le Peutrec. In an 8-knot westerly breeze, the seven-strong trimaran fleet eased off the sheets for a long run south. As the wind turned north-west, the crews had to decide whether to hug the coast of head out to sea. With Daniel Souben in the role of tactician, Gitana 11 came as close into the coast as she could, where puffs of thermal winds swept across the water. The option paid off as Groupama-2 conceded the leadership in the Bay of Ajaccio. Less than three miles behind, Armel Le Cléac’h and Pascal Bidégorry were battling hard until Foncia spotted a problem at the foot of the mast and decided to divert to Ajaccio for repairs. 

    At the entrance to the Bouches de Bonifacio, Gitana 11 and Groupama-2 were close-hauled against a 25-knot wind which had veered NE… which enabled them to increase their lead over Banque Populaire and the other trimarans, clearly in a different context altogether. The climb up the east coast of Corsica was a rather tricky stretch to negotiate, not only because the night made it tough for the strategists to anticipate where the breeze and calm areas lay, but also because each bay was full of surprises – dead calm in one bay a 25 knot breeze in the next. Sometimes going nowhere fast and at other times, full blast at more than 30 knots ! Groupama-2 and Gitana 11 continued to alternate first and second place. But finally, after swopping and switching for more than one hundred miles, the Giraglia passage (northern tip of Corsica) saw Franck and Frédéric neck and neck sailing within a length of each other. As a steady 8-knot NE wind gradually settled in, both trimarans engaged in a gybing battle but Groupama-2 proved to be faster in these conditions, and inched her way ahead of Gitana 11. In the end, this resulted in a ten minute and one second lead at the finishing line. As Pascal Bidégorry took third, Gitana X was still 25 miles from Calvi. 

    Finish of the Round Corsica Race (Round 1 of the Grand Prix de Corse) :

    1 – Franck Cammas (Groupama) finished in 8h 19′ 26”

    2 – Frédéric Le Peutrec (Gitana 11) finished in 8h 29′ 27”, 10’01” after the winner

    3 – Pascal Bidégorry (Banque Populaire) finished 9h 15′ 38”, 56’12” after the winner

    4 – Giovanni Soldini (TIM-Progetto Italia) finished 9h 50′ 00”, 1h30’34” after the winner

    5-Michel Desjoyeaux (Géant) finished at 10h 49′ 09”, 2h29’43” after the winner

    6-Thierry Duprey du Vorsent (Gitana X) finished at 12h 17′ 03”, 3h57’37” after the winner

    7-Armel Le Cléac’h (Foncia) retired