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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

    02.11.2014

    A final word before the Route.

    It’s time! 1400 hours on the dot this Sunday will see the start of the 10th Route du Rhum Destination Guadeloupe. This morning, on linking back up with the members of Gitana Team, the skipper was focused but calm and confident and shared his feelings with us prior to heading out to the Multi70 Edmond de Rothschild, which had been moored off Dinard…

    par Gitana

    It’s time! 1400 hours on the dot this Sunday will see the start of the 10th Route du Rhum Destination Guadeloupe. This morning, on linking back up with the members of Gitana Team, the skipper was focused but calm and confident and shared his feelings with us prior to heading out to the Multi70 Edmond de Rothschild, which had been moored off Dinard since yesterday evening.

    “Surprisingly for the eve of a race start, I slept very well. Together with the whole team, we’ve been preparing for this event for the past eight months and I’m keen to get going today. The first few hours of racing are already promising to be lively. All the weather systems described over the past few days are in position, with around fifteen knots of breeze forecast for the start. Potentially we’ll have two tacks to put in to make Cap Fréhel. Following that the wind is set to pick up gradually, reaching 20 knots offshore of Perros-Guirec, 30 knots off Aber Wrac’h then 35 knots as the front rolls in tonight as we approach Ushant. It will be a boisterous introduction with a sleepless night in perspective where it will be tough to let go of the helm, particularly given how important this race start will be for the next stage of the race. Tomorrow afternoon, we should be able to breathe a little before the wind builds again early into the second night.”

    The competitors will find themselves in something akin to a chamber of appeal in the twenty minutes preceding the race. On-board on the trot mooring last night, David Boileau and Benoit Piquemal watched over her before being joined this morning by the skipper and the members of Gitana Team. All together, they’ll hoist their sails and make the final adjustments before leaving Sébastien Josse alone on the boat to set a course for the start line. At 1400 hours on the dot this Sunday, the skipper and the 90 other sailors competing in this 10th edition of the Route du Rhum – Destination Guadeloupe will set sail on the 3,542-mile course. As with the previous editions, the whole fleet, multihulls and monohulls alike, will cross the one imaginary line all together. Positioned North-South across the Pointe du Grouin headland, this start line will be split into two sections of equal distance with one zone reserved for the monohulls and the other for the multihulls. Around this imaginary line and for a greater degree of safety for the racers, Race Management and Maritime Affairs have set up a protected zone where all boats are forbidden to enter, even the technical teams. As such Sébastien will make headway singlehanded for several minutes before the start procedure. Once the start has been given, the whole fleet will make for Cap Fréhel where a course mark will be positioned some 19 miles from the start line and as close as possible to the headland to put on a show for the crowds. And what a spectacle it promises to be if yesterday’s crowds, out in force to bid farewell as they passed through the lock gates, are any indication. Despite the capricious weather, the Race Organisation is also expecting a lot of boats to come out and accompany the fleet.  Vigilance will be key for the skipper of the trimaran with its five-arrow emblem, the public not necessarily aware of the speed of these formula 1s of the seas. The passage around Fréhel will also mark the split with the Gitana Team, who will bid a final farewell to their skipper Sébastien Josse before they see him again in Guadeloupe.

     

    To follow the start live on Sunday 2 November:

    Internet:

    From the coast:


    From the Pointe du Grouin to Cap Fréhel where a mark is positioned (to be left to starboard for the competitors).