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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

    25.10.2006

    Twelve shots of Rhum.

    On Sunday October at 13:02, there will be seventy-four starters, twelve of them Orma trimarans, lining up for the 2006 Route de Rhum. And with the presence of the leading ocean-going multihull specialists, the field could scarcely be tighter.

    par Gitana

    On Sunday October at 13:02, there will be seventy-four starters, twelve of them Orma trimarans, lining up for the 2006 Route de Rhum. And with the presence of the leading ocean-going multihull specialists, the field could scarcely be tighter.

    Where the Orma trimarans are concerned, the eighth edition of the Route du Rhum / La Banque Postale promises to be particularly open, courtesy of the highly motivated skippers and, for the early days of the race at least, quite favourable weather conditions. Basically, the start and the exit from the Channel will be manageable or even calm, judging by the five-day forecasts, with a small, unsevere low-pressure front generating a westerly wind of less than ten knots, then a rising easterly tide also less than ten knots for the first night at sea! For late October, it ranks as a major surprise… And for as long as the first 48 hours, the sea should be noticeably calmer than over the last few days, when we have seen the Gulf of Gascony swept by a very strong storm. It’s good news for the dozen solo sailors, who will need to keep their eyes peeled for maritime traffic (cargo ships, fishing boats, ferries, etc.) on this first section of the route, as well as remaining alert to the dangers of the Brittany coast. From then on, the remainder of the 3,500-mile route from Saint-Malo to Pointe à Pitre is not quite so predictable…
     
    Before the race gets underway it is always perilous making predictions given the crucial importance of the boat-skipper pairing on this event. The reigning Multi Cup 2006 champion, Franck Cammas, who won all the meetings from London-Nice to the Grand Prix de Fécamp, is certainly among the favourites, as is the winner of the last Route du Rhum, Michel Desjoyeaux. That said, the two Gitana Team skippers are not here merely to make up the numbers, for Lionel Lemonchois impressive track record spans the solo, double-handed and crew disciplines, while Thierry Duprey du Vorsent has grown stronger all season with his youthful crew. Nevertheless, going solo on a trimaran is a world away from crewed sailing and what’s more, this type of course between Brittany and the Caribbean does not offer the same strategic dimensions in terms of trajectory and onboard routine.
     
    Elsewhere, Yvan Bourgnon and Thomas Coville have opted to focus on solo sailing all summer by attacking the ocean-going records. Also deserving of a mention are recognised sailing talents such as Alain Gautier, taking part in his third Rhum, plus Steve Ravussin and Pascal Bidégorry, along with the Guadelupian Claude Thélier, who’s competing on the ex-Primagaz, the trimaran that holds the record time for the event: 12 days, 8 hours, 41 minutes and 6 seconds.
     
    Given the weather conditions for the first few days and the fact that the trimarans are clearly faster than eight years ago, it’s a time that should logically be bettered! Despite this imposing field, Lionel Lemonchois and Thierry Duprey du Vorsent are both calm and collected, primarily due to the tremendous efforts made by the entire Gitana Team to ensure that they depart under optimum conditions. And while Lionel Lemonchois boasts a lot more experience of the specialist format of solo ocean racing than Thierry Duprey du Vorsent, both are equally determined to cross the Atlantic cleanly and as rapidly as possible in order to do justice to the sterling efforts of their shore teams.