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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

    12.05.2006

    Gibraltar : a new start.

    For this fourth day at sea, the situation has been totally transformed overnight, as the leaders struggled in the Gulf of Cadiz while their competitors were sidestepping the light Spanish winds. As a result, the two Gitanas are back in touch this Friday morning with a few dozen miles to go before another key stage of the London -Alpes Maritimes rac…

    par Gitana

    For this fourth day at sea, the situation has been totally transformed overnight, as the leaders struggled in the Gulf of Cadiz while their competitors were sidestepping the light Spanish winds. As a result, the two Gitanas are back in touch this Friday morning with a few dozen miles to go before another key stage of the London -Alpes Maritimes race: the Straits of Gibraltar.

    The Straits of Gibraltar were also supposed to mark the midway point of the race, but this is no longer the case as the race management has taken the decision to shorten the route. Consequently, the trimarans will now head straight for Nice from Gibraltar.

    Last night…

    There were two possible options after passing the Cape of Saint Vincent, the south-westernmost tip of Portugal: either to aim directly for Gibraltar 180 miles away by going along the Gulf of Cadiz, or to deviate southwards to take further advantage of the northerly flow along the Portuguese coast. The two leaders chose the first option, as did Frédéric Le Peutrec (Gitana 11), while the third-placed boat (Géant) fell south overnight to avoid the calm and Gitana 12 preferred to take a gentle south-easterly curve.
    And while Groupama 2 and Banque Populaire IV were stuck in the light winds, Michel Desjoyeaux was going hell for leather, covering 110 miles in twelve hours!

    The two Gitanas weren’t idle either: Fred Le Peutrec made up 130 miles and Thierry Duprey du Vorsent 140 miles! Well done to them. For while it’s true that the weather conditions switched in favour of the pursuers, it was over and above all the route followed that made this impressive comeback possible… Now these five trimarans are going to have to contend with the vagaries of Aeolus going through the Straits of Gibraltar, which are swept by a sustained easterly wind that will strengthen to 30-40 knots between Algerisas and Gibraltar. This midday should be pretty lively!

    Frédéric Le Peutrec, skipper of Gitana 11:

    “Suddenly, the wind picked up and we knew we had reached Gibraltar! As always, the Straits have a few surprises in store for us. We took one reef and the second’s being prepared. We have to get through unscathed because after that there’ll be a few opportunities to shine. We’ve made up a lot of the gap and seeing the leaders sailing alongside each other is motivating us even more. In a way, it’s like a new start, the leaders having lost their capital… It’s up to us now to invest wisely! On account of the conditions, it’s good that we’re going straight to Nice, as it’s better not to hang around in the Eastern Mediterranean!”

    Mayeul Riffet, navigator on Gitana 12, at 08:30:

    “We are one hundred miles from the Straits of Gibraltar. We have made up over 150 miles on the leaders during the night and we’re going to narrow the gap still further this morning as we’re still going at over twenty knots! Basically, we chose Cape Saint Vincent to continue towards the southeast while the other trimarans went by the direct route. We went round the houses a bit but managed to close the gap considerably! We’ve made a nice line on the map as we’ve already emerged from the ridge of Cape Finisterre: Groupama 2 took 2 days to get 200 miles ahead of us whereas it only took us a half day to make up 150 miles… not bad eh? We are happy and morale is high, because our position further south is favourable for tackling Gibraltar’s easterly winds.  This morning, the breeze is still East/north-easterly at 15 knots, the sun’s shining and the sea is very manageable with a swell directly in front of us: we’re going to pick up wind in the straits, in the region of 40 knots… for at least four hours and with a very rough sea. We’re going to switch from mainsail up and Solent jib to two reefs in the main and a jib for stronger wind! We’re going to have to manoeuvre while watching the sea, the current, the shipping lines, the coasts… We will be at the entrance to the narrows at midday. The boat is perfect and we’ve all been able to rest on Thursday, even if we had to be on deck all day and all last night to string together averages of twenty to thirty knots. We are ready for the Mediterranean, which promises to be tougher than the Atlantic, with headwinds as far as Almeria and light air after that. We need to conserve energy as we’re only halfway through! But onboard Gitana 12, we are super-comfortable at sea, and in no unnecessary hurry to arrive at Nice. We prefer to take our time and claim a place on the podium…”