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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

    29.02.2012

    Edmond de Rothschild Group keeps going.

    As announced yesterday, the Extreme Sailing Series fleet benefited from some light conditions to contest the second day of competition in the Muscat Grand Prix. Sailing at a gentle tempo, the eight crews linked together a series of races in stadium mode. Yesterday’s leader on the completion of the so-called Open Water races, the crew of Edmond de R…

    par Gitana

    As announced yesterday, the Extreme Sailing Series fleet benefited from some light conditions to contest the second day of competition in the Muscat Grand Prix. Sailing at a gentle tempo, the eight crews linked together a series of races in stadium mode. Yesterday’s leader on the completion of the so-called Open Water races, the crew of Edmond de Rothschild Group perfectly handled the change of exercise and has consolidated its leader status this evening.

    The Extreme Sailing Series fleet has had to contend with a dying breeze throughout the course of the afternoon: flirting with ten knots as the first races kicked off, the wind gods struggled to serve up three knots during the day’s final race. However, the race committee for the Extreme Sailing Series really got the most out of the conditions, running eight races in total. The skipper of Edmond de Rothschild Group described the zephyr-like conditions on his return to the dock: “Flat seas, no current and fairly stable wind in terms of direction but slightly fluky in terms of strength. However this air flow petered out over the course of the afternoon. There were some small gusts, which swept in from the left hand side of the race zone, then from the right on the following tack. All in all though, given the strength of the wind and the sea state, the race zone remained perfectly legible today.”

    Winners of two of the eight races contested and consistently at the top of the leaderboard, with the exception of one race, Pierre Pennec and his crew are leading as they go into the second half of the Grand Prix, confirming that they’re match fit in the process: “We’ve made really good progress with our speed upwind and downwind, particularly in the light airs. The very good communication established with Hervé (Hervé Cunningham is in charge of the headsail trimming, Ed’s note) and a few new adjustments are the keys to this gain in speed”, said the delighted Gitana skipper, before giving us the lowdown on how his new team is operating: “The crew is already working very well together despite its ‘youth’, but we’ve still made great progress. All in all we had some good starts but nothing special. However, we’re not taking risks when we start out, which is enabling us to always be in the right group. We need to work on the start phases. We need to make progress with them and I particularly need to improve the position and the angle of the boat, so as not to get foolishly trapped by certain competitors, who are match racing and tend to forget the rest of the fleet. It’s been a positive afternoon for Gitana Team, even though we stuffed up the last race.” Indeed the only ‘blip’ on this Wednesday’s sailing programme, if we can call it that, was the result of the eighth and final race of the day. This seventh place is explained by Pierre Pennec: “In the final race, we messed up our downwind leg and got ourselves into a tricky situation which culminated in a collision with The Wave Muscat. The umpires awarded us the blame and we copped a penalty which, in a course of this type, with light winds to boot, cost us very dearly and gave us 7th place in this race. Kinou and I have a slight communication issue. In the stadium races, Kinou covers the tactical aspect very well as his wealth of information and his vision of the race zone are a real asset for the crew. However, in the contact phases, I have to call the shots as regards our trajectory. We were hesitant, which is inexcusable. We simply need to adjust the way we operate, which is something that will come naturally with a bit of practice.”

    The light airs, which punctuated the majority of the afternoon’s racing, are renowned for really setting the sailors’ nerves on edge. However, Pierre Pennec and the crew of Edmond de Rothschild Group really handled the pressure well, as the results achieved by the French one-design testify. As such Pierre Pennec and his crew have further consolidated the lead they gleaned at the end of the first day of competition. Just a point shy of them though are the men on Oman Air, helmed by Morgan Larson, who continue to make a great impression. A newcomer to the circuit, the skipper of the Omani catamaran once again demonstrated great ease on the water, despite his ‘rookie’ status. However, this performance comes as no surprise to Hervé Cunningham: “Morgan Larson is an excellent American sailor, who’s had a number of America’s Cup campaigns and has also done a lot of RC44 sailing, which is a circuit where I rub shoulders with him. In fact he’s world champion in it. Morgan is a newcomer to this circuit so he’s just discovering the craft, but to do that he’s relying on an experienced crew who are very familiar with the Extreme Sailing Series format. To see him so well placed comes as no surprise to me at all, particularly as the weather conditions we encounter here are perfect for a gentle warm-up. We’ll have to see how he fares in the feistier Grands Prix.”

    Tomorrow, for the third day of competition in the Muscat Grand Prix, a big crowd is expected in The Wave Muscat marina. Indeed, in Oman, the weekend starts this evening, and will conclude at the end of Friday, just like the first act of the Extreme Sailing Series. The start of tomorrow’s racing is scheduled for 1400 hours (1000 UTC).

    The crew of Edmond de Rothschild Group

    Pierre Pennec (Skipper / helm),

    Jean-Christophe Mourniac (mainsail trimmer and traveller),

    Hervé Cunningham (headsail trimmer),

    Bernard Labro (Bowman)

    Adeline Chatenet

    Standing for the Muscat Grand Prix after the second day (eight races run)
    1. 1. Edmond de Rothschild Group – 85 points
    2. Oman Air – 84 points
    3. The Wave Muscat – 72 points
    4. Red Bull Sailing Team – 65 points
    5. GAC Pindar – 62 points
    6. Zoulou – 51 points
    7. Alinghi – 50 points
    8. Team Trifork – 35 points