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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

    05.12.2008

    Advantage North!.

    Whilst the Paris Boat Show – rechristened Nautic for its 48th edition – will officially open its doors tomorrow morning after today's traditional professionals' day, Loïck Peyron has snatched back control in the Vendée Globe 2008-2009. A week after giving it up to the brilliant Sébastien Josse, the skipper of Gitana Eighty is back in the top spot……

    par Gitana

    Whilst the Paris Boat Show – rechristened Nautic for its 48th edition – will officially open its doors tomorrow morning after today’s traditional professionals’ day, Loïck Peyron has snatched back control in the Vendée Globe 2008-2009. A week after giving it up to the brilliant Sébastien Josse, the skipper of Gitana Eighty is back in the top spot… a position he nevertheless describes as fragile given that the future conditions and the choice of strategy aren’t an exact science!

     By choosing to continue eastwards, to the north of the fleet, Loïck Peyron has made the best of the current situation. Indeed, to his south, his adversaries have been considerably slowed by a zone of high pressure, whilst the monohull equipped by Baron Benjamin de Rothschild is still benefiting from a steady air flow to lengthen her stride at over 15 knots. Lucid, the solo sailor nevertheless greeted his return to the front of the pack with a great deal of caution: “Today’s conditions will favour me as I should continue to stay in the wind, whilst my little playmates will still be battling their way through this zone of high pressure. In theory however, I will be doing the same thing in a few hours time with a considerable reduction in pace on the menu. After that, there may be a reversal of fortune as the wind direction may prove less favourable in my part of the world.” Whatever happens, in this unstable situation where the deficits between competitors are still so small, every mile gained is a good one, as Loïck Peyron concluded: “This leadership may be temporary but it’s already a very good thing to have got closer to the thick of the action and be able to tease my friends.”

    Everything has a price though and following a brisk night, Loïck Peyron was able to sneak past Yann Eliès, the latter dethroned since the 1100 hour ranking. Indeed, the windy conditions which have accompanied Gitana Eighty beneath the stars of the deep south, haven’t been making the solo sailor’s task very easy. Like a Formula 1 driver, the skipper from La Baule has had to be increasingly vigilant to avoid swerving off the racetrack as best he can: “The wind peaked at 35 knots and Gitana Eighty recorded a surf of 28 knots whilst I was in my bunk. It was a bit full on… With the wind on our tail, gybing under the cover of darkness in big seas, the scene depicted is never a comfortable one. In fact I broached on several occasions (the boat going over on its side through the water), one of which took my Sat C aerial with it. It was placed at the rear of the cockpit and the sea ripped it off” commented Loïck from his chart table, the background noise leaving no doubt as to the brutality of the sea. It is worth pointing out that the damage indicated above has no influence on the potential and smooth running of Gitana Eighty. Indeed, the Sat C is used essentially for receiving the positions of the other competitors. As such, after alerting the Vendée Globe race committee, Loïck will now pick up this information via another system. 

    Whilst surveying the progress of his rivals, and in particular the furthest option from his – that of Jean-Pierre Dick who is heading due south -, the skipper of the monohull in the colours of the LCF Rothschild Group is still benefiting from a moderate breeze, but his average speeds are beginning to drop as forecast. Despite all this, the skipper has been able to make the most of his lead and had further extended his lead at the 1600 hour ranking; Gitana Eighty had a 44 mile lead over second placed Sébastien Josse, and 58 miles over Yann Eliès, the third member of the top trio.

    Ranking on 5th December – 1600 hours (French time)
    1. Gitana Eighty (Loïck Peyron) 17,628.2 miles from the finish

    2. BT (Sébastien Josse) 44.9 miles from the leader
    3. Generali (Yann Eliès) 58.2 miles
    4. Brit Air (Armel Le Cléach) 68 miles
    5. Paprec Virbac (Jean-Pierre Dick) 87.8 miles
    6. PRB (Vincent Riou) 123.2 miles
     (…)