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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

    18.05.2012

    Fourth place for Edmond de Rothschild Group in the ArMen Race.

    Having set out from the Baie de Quiberon at 1350 UTC yesterday, the four MOD 70s, which were participating in the second edition of the Ingérop ArMen Race, didn’t lie idle in their bid to complete the 330-mile course; a long coastal sprint between La Trinité-sur-Mer, the western side of Ile de Sein and Ile d’Yeu. Winners of this 2012 vintage, Miche…

    par Gitana

    Having set out from the Baie de Quiberon at 1350 UTC yesterday, the four MOD 70s, which were participating in the second edition of the Ingérop ArMen Race, didn’t lie idle in their bid to complete the 330-mile course; a long coastal sprint between La Trinité-sur-Mer, the western side of Ile de Sein and Ile d’Yeu. Winners of this 2012 vintage, Michel Desjoyeaux and his men crossed the finish line, situated at the entrance to the river of Crac’h, in the early hours of this morning. However, the pace stamped out by the trimaran Foncia wasn’t quick enough to steal the reference time set a year ago by Sébastien Josse’s crew aboard Gitana 11.

    Shortly before 1400 hours UTC, the MOD 70s were the last yachts to set off, with around a hundred or so other units of varying sizes adopting the same course of them at the start of the afternoon. The author of a fantastic start, Edmond de Rothschild Group was at the front of the pack for the first section of the course, battling it out with Spindrift Racing initially. Conditions were ideal – 20 knots of breeze, flat seas – and the trimaran crews made the most of them to really power up their machines. Sébastien Josse and his men were particularly adept at this little game and were first to round Sein: “We got off to a superb start by opting for a good sail configuration. We headed off under staysail and full mainsail, whilst Foncia and Spindrift went for the solent as headsail instead. As we passed Teignouse (which marks the exit from the Baie de Quiberon), we unfurled the gennaker and attacked a long downwind leg bound for Sein. We were second at that point and within contact of Spindrift. The separation was minimal, but on our one-design boats, gaining a metre is a long-term job! We snapped up an opportunity, by making the most of a burst of speed to overtake them before Sein!” explained the skipper of the Gitana Team this morning.

    When the first three MODs passed Sein and set a course for Belle-Ile-en-Mer, there was very little to separate them, a few boat lengths at most. At that stage Josse and his men decided to break away from their rivals to seize an advantage from the weather forecast over the zone: “We wanted to protect the left-hand side of the race zone as we were waiting for a big wind shift; it was supposed to swing round from the South to the West. The step was a logical one in relation to our positioning. However, the rotation kicked in later than the grib files were predicting, which meant that we tacked too early. It was about twenty minutes late kicking in, which made a big difference in the end and prevented us from catching up with our playmates again,” explained Sébastien Josse. “This mistake cost us the race, or at least the close-contact battle for victory, but that’s the name of the game and nobody aboard regrets what we did, quite the contrary in fact. We’re competing in the pre-season races right now and it’s good to try things here. There is so little speed differential between the boats that to win events you have to take the initiative and be daring”, admits Sébastien Josse.

    For the Gitana Team, this participation in the ArMen Race concludes what has been a week packed with sailing and a wealth of lessons: “At the start of the week we were in Port-la-Forêt training with Foncia and Oman. The hours spent working together, are very precious, but they can’t replace the ‘full-scale’ confrontations, especially as we enjoyed some intense sailing conditions in this ArMen Race. Overnight the wind filled to around 28-30 knots and we were reaching (wind on the beam). These few tacks gave us a great deal of information and will enable us to progress still further in getting the best out of the boat. There is still some work to be done aboard Edmond de Rothschild Group but we can take a number of positive points from this past week, particularly in terms of speed and the crews ease in carrying out manœuvres. Over the past few days of sailing, I’d opted to make a slight change to the workforce and to choose a new crew configuration so as to continue with preparations for the upcoming season. Olivier Douillard and Pierre Pennec were part of this with a view to their participation in some offshore courses in the Europa Tour in September.”

    For the time being, the 70-feet trimaran fitted out by Baron Benjamin de Rothschild has returned to her base in nearby Lorient. Sébastien Josse and his men are giving themselves a few days off before they set sail for Saint Nazaire, where the Record SNSM awaits them. This race has become a classic over the years, for the benefit of the lifeboat men and women, and this year’s start is scheduled for Sunday 3 June. It will be the final preparatory race for Edmond de Rothschild Group before the first official meeting of the Multi One Championship: the Krys Ocean Race, which will set out from New York on 7 July 2012.

    The Ingérop ArMen Race in brief

    The Ar-Men lighthouse is one of the most renowned lighthouses due to its isolated character, the vast number of difficulties, which had to be overcome for its construction and the danger its staff had to face. As such, in line with the famous Fastnet Race as well as the Giraglia in the Mediterranean, whose course marks are legendary maritime references, the ArMen Race was created and launched in 2011. The idea is to provide local sailors, professionals and amateurs alike, with their own French “Holy Grail”. 83 craft competed in the event last year, for the launch of the race, and this year around a hundred boats livened up the Baie de Quiberon before setting off on courses which were determined according to the size and category of yacht.

    Standing for the Ingérop ArMen Race 2012 (MOD category)

    1 / Foncia – Michel Desjoyeaux in 14 hours 15 minutes and 35 seconds

    2 / Spindrift Racing – Yann Guichard

    3 / Ministry Tourism of Oman – Sidney Gavignet

    4 / Edmond de Rothschild Group – Sébastien Josse