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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

    27.05.2010

    Edmond de Rothschild Group leads the way.

    This Thursday afternoon, the 2010 Extreme Sailing Series began in Sète, France. Eight teams competed in today’s three races, which took place in some medium Mediterranean conditions, which proved particularly unstable both in terms of direction and strength. At the end of this first day of racing, the crew of Edmond de Rothschild Group have put up…

    par Gitana

    This Thursday afternoon, the 2010 Extreme Sailing Series began in Sète, France. Eight teams competed in today’s three races, which took place in some medium Mediterranean conditions, which proved particularly unstable both in terms of direction and strength. At the end of this first day of racing, the crew of Edmond de Rothschild Group have put up a fine performance, right at the thick of the action at the front of the fleet. Yann Guichard and his three crew are top of the provisional ranking tonight, ahead of Mitch Booth and Franck Cammas, respectively 2nd and 3rd.
    There was no observation round for the men of Gitana Team. Instead they made the most of the three races run this afternoon to power through to the top spot on the provisional podium in Sète. A victory in the opening race and pole position in the ranking is clearly something Yann Guichard was able to appreciate, though he knows only too well that this is just the first day: “Today’s results are very positive. Of course it’s always nice to be in the lead, but what I am especially pleased with is how my crew behaved. In the second race, I got off to an average start and our decision to choose the middle of the race zone didn’t bear fruit. We got to the end of the first tack right at the back of the fleet. However, nobody onboard gave up the fight and we battled hard to make up two places. It’s a mindset I greatly appreciate. I’m confident about the future as these first races demonstrate that we’ve made good progress, especially as regards the communication onboard to make the manœuvres even more fluid.”
     
    Nicolas Heintz, who had a ‘baptism of fire’ today aboard the Extreme 40 Edmond de Rothschild Group, gave us his initial impressions: “It’s really fantastic to be in the thick of the action! I still need to develop a few automatic reflexes to perform better, but overall it’s been a conclusive introduction. I really enjoyed being on the water and I’m proud to be part of this crew”. As an aside, the new recruit in the Gitana Team is very familiar with the waters here in Sète having competed in his first Match-Racing competitions here.
     
    On a complicated race zone, characterised by some particularly unstable conditions, the four sailors on Edmond de Rothschild Group didn’t have an easy time of it, with the wind really grating the nerves of all the crews: “It’s a hazardous race zone and one that isn’t always easy to read. As such we constantly had to adapt to the wind shifts and other direction changes to remain in the running! This spices things up but it’s also testing for the crew” explained the Gitana skipper before continuing: “This year the level of the competitors is much of a muchness and from the outset we’ve been able to see that there’s going to be some close contact racing on the water.” Proof if need be that we’re in for some fantastic racing over the coming days…
     
    Tomorrow, Friday, the racing will continue and the first session will set off from near the Saint-Louis jetty shortly after 1330 hrs.
     
    Provisional ranking for the Grand Prix of Sète on 27th May (after 3 races)
    1.    Edmond de Rothschild Group (Yann Guichard) – 18 points
    2.     The Ocean Racing Club (Mitch Booth) – 16 points
    3.     Groupama 40 (Franck Cammas) – 15 points
    4.     The Wave, Muscat (Paul Campbell-James) – 15 points
    5.     Red Bull Extrême Sailing (Roman Hagara)- 14 points
    6.     Oman Sail Masirah (Loïck Peyron) – 13 points
    7.     Ecover Sailing Team (Mike Golding) – 9 points
    8.     Team GAC Pindar (Nick Moloney) – 6 points
     
    The crew of Edmond de Rothschild Group
    Yann Guichard – Skipper, helmsman
    Pierre Pennec – Mainsail trimmer
    Hervé Cunningham – Headsail trimmer
    Nicolas Heintz – Bowman