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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

    26.05.2007

    Domaine du Mont d’Arbois: from Marseilles to Istanbul….

    Accompanied by Kito de Pavant, Thierry Duprey du Vorsent started out on the 2nd edition of the Cap Istanbul at 3 pm this Saturday from Marseilles bay. Ahead lie three weeks at sea and stages in Sicily and then Turkey before the finish in the Bosporus Straits at Istanbul around 13 June. It's a technically complex route with plenty of close-contact r…

    par Gitana

    Accompanied by Kito de Pavant, Thierry Duprey du Vorsent started out on the 2nd edition of the Cap Istanbul at 3 pm this Saturday from Marseilles bay. Ahead lie three weeks at sea and stages in Sicily and then Turkey before the finish in the Bosporus Straits at Istanbul around 13 June. It’s a technically complex route with plenty of close-contact racing in store and the Gitana Team skipper has been itching to test himself against the 15 other competitors in the event. One thing’s for sure: the race will afford him ample opportunity to demonstrate all his potential as well as that of the boat, after the good experience garnered during April in the BPE Trophy, in which Thierry made a magnificent start.

    4 stages, 1,520 miles in total, 16 competitors and a highly unpredictable Mediterranean: these are the factors which form the context for the competition in which Thierry Duprey du Vorsent and Kito de Pavant have just launched themselves on the Gitana Team’s Figaro vessel, Domaine du Mont d’Arbois. Stretching between Marseilles and Istanbul, the course will be a testing one due to highly diverse weather conditions, the stages of different distances and a technically demanding latter part of the route on the approach to Istanbul, the bridge between Europe and Asia.

    The starting gun was duly sounded in Marseilles at 3 pm, under a clear sky and a 15-knot southerly wind which is expected to pick up strongly from Sunday evening. And Domaine du Mont d’Arbois has got off to an excellent start, occupying second place at the 1st marker.

    A few changes of tack are in store before nightfall, as the participants take to the ocean proper, leaving the French coast definitively behind before descending upwind at a lively pace towards Corsica and Sardinia and then heading towards Sicily, where the competitors are expected in less than 3 days.

    The pursuit of learning and performance…

    Thierry Duprey du Vorsent shared his first impressions before leaving the pontoon in Marseilles’ old port: “after the prologue, which took place amid almost no wind, I’m really desperate to get out onto the water and get to grips with the others. The fact that Kito is with me is making me even more determined to do well as I’m learning so much from being alongside him, and learning it fast too. I couldn’t hope for a better way of preparing for the Solitaire this summer, which is my main target for the season. With a partner like Kito and myself getting sharper all the time, I hope to steer the colours of Domaine du Mont d’Arbois to glory in Istanbul in a few weeks time. We’ve prepared the boat really well and it’s ready at last. The mainsail is new and the spinnaker that was torn during the BPE Trophy has been repaired perfectly.”

    Kito de Pavant, a 2nd place finisher in this same event last year, offered a few pointers to understanding the 2007 edition: “the 4 stages will all be very different. The first should be very fast, less than 3 days. The boat that catches the first north to north-westerly wind is likely to be hard to shift from first place all the way to Trapani. The second stage, which is the longest, will also be the most technically complex as we’ll be crossing 3 different areas: the south of Sicily, the Peleponese and then the Aegean. There are going to be plenty of pitfalls and the gaps between the boats are likely to grow quite a bit. The final stage leading up to the finish in Istanbul will take place in a sea that’s generally quite dirty and where any of the competitors could quite easily get a plastic bag stuck under the keel, which could slow down the boat’s progress. But in principle, and plastic bags permitting, the leaders should be able to control their direct adversaries on this last stage. At the same time, what’s good about the Mediterranean is that everything can easily turn around in 24 hours!”

    Loïck Peyron, the manager of the Gitana Team who came to see Thierry Duprey du Vorsent off at the start, could not hide his satisfaction at seeing Domaine du Mont d’Arbois lining up for the Cap Istanbul: “Symbolically, this is quite an interesting race, linking these two nations up via the sea. From a sporting perspective, it’s a complex maritime region, so it’s the superior strategist who will probably prevail. For Thierry, it’s a chance to sail with Kito, who has more experience than most. He’ll need to watch every detail of life onboard closely if he is to continue to progress and be ready for the Solitaire in August.”