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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

    30.10.2010

    24 hours to go.

    It’s the last day prior to the start of the Route du Rhum- La Banque Postale for Yann Guichard and the whole of the Gitana Team. The weather briefing by the organisation and the exit through the lock gates punctuated this Saturday evening prior to start of hostilities. Now tied to a buoy off Dinard, Gitana 11 is quietly waiting under the benevolent…

    par Gitana

    It’s the last day prior to the start of the Route du Rhum- La Banque Postale for Yann Guichard and the whole of the Gitana Team. The weather briefing by the organisation and the exit through the lock gates punctuated this Saturday evening prior to start of hostilities. Now tied to a buoy off Dinard, Gitana 11 is quietly waiting under the benevolent eye of its ‘bodyguards’.
    Gitana 11 leading the way
    The spectators flocked enthusiastically around the lock gates, as well as all the possible viewpoints overlooking the exit from the channel: quaysides, ramparts, sea walls, bridges and even motor boats, ribs and yachts… Saint Malo has been literally invaded since last weekend, but this Saturday has been exceptional with record crowds to wish the sailors fair winds. Furthermore, so as not to spoil a thing, the weather proved particularly favourable: sun, mild conditions and a moderate breeze.
    At 1500 hours exactly, Gitana 11 was the first of the competitors to cast off to the applause of the impressive crowd. Aboard the maxi-trimaran, the skipper was keen to have his whole team around him: “All the members of the Gitana Team have been working towards this Route du Rhum for nearly two years and I was really keen to share with them the moment where the general public pay homage to us in some way. It was a mixture of emotion and stress, as you’re always fearful of knocking into something admitted Yann Guichard”. Twenty minutes later, Gitana 11 was also the first to enter the lock, followed by Sidney Gavignet, Francis Joyon and Thomas Coville, who made up the first of the six dock escapees scheduled by the organisers among a total of 85 competitors. Cyril Dardashti, general manager of the Gitana Team, couldn’t conceal his emotion and his pride: “To leave the Bassin Vauban gives us a foretaste of what’s to come. It’s a very special moment as we’ve been preparing this Route du Rhum for many long months and we’re all looking forward to the actually moment it starts. The team has prepared Gitana 11 remarkably well and Yann has worked hard as a consequence. Tomorrow it’s over to him and he knows how much trust we have in him.”
    Tomorrow night two members of the Gitana Team will sleep onboard to keep an eye on the maxi-trimaran until the skipper’s return, mid-morning tomorrow.
     
    Manageable conditions
    The latest weather forecasts for the race start on Sunday at 1302 hours are pretty favourable for enabling the ultimate multihulls to exit the English Channel quickly: the moderate SE’ly breeze of around fifteen knots will leave in its wake a smooth race zone and the solo sailors will have to put in just a single tack to round the Cap Fréhel mark. As such the exit from the bay of Saint Malo promises to be very fast, whilst the first 24 hours of racing are clearly shaping up to be intense, with a sequence of manoeuvres as far as Ushant. The latter is a positive point for Gitana 11, which is unquestionably the most responsive trimaran of the fleet!
     
    The trimaran fitted out by Baron Benjamin de Rothschild is tied up to a mark off Dinard this Saturday evening, waiting to join up tomorrow morning with the Pointe du Grouin, offshore of which this ninth Route du Rhum will begin. The starting gun will be fired from the deck of the Pont-Aven ferry, in the capable hands of Marie-Luce Penchard, Minister of France’s overseas territories as well as Rama Yade, Secretary of State for Sport.