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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

    02.08.2009

    A great day’s work for Gitana Extreme – LCF Rothschild Group.

    It was a sporty day with everyone jockeying for position on the waters of the Solent. With slightly more W’ly in the 15 knot wind today, the Extreme 40 crews weren’t sparing of their efforts in providing a fabulous spectacle to the numerous sailing enthusiasts in the Isle of Wight. Gitana Extreme – LCF Rothschild Group has gained a place and is now…

    par Gitana

    It was a sporty day with everyone jockeying for position on the waters of the Solent. With slightly more W’ly in the 15 knot wind today, the Extreme 40 crews weren’t sparing of their efforts in providing a fabulous spectacle to the numerous sailing enthusiasts in the Isle of Wight. Gitana Extreme – LCF Rothschild Group has gained a place and is now up in second with a day’s racing to go.

    Taking place during Cowes Week, one of the oldest sailing regattas that each year gathers together nearly a thousand yachts, the third stage of the iShares Cup was reminiscent of a picture postcard today. From the terrace rigged up on the esplanade in Cowes, privileged spectators were able to view the Extreme 40 races up close, whilst a multitude of multicoloured sails created a magnificent backdrop.

    It was an enchanting setting, though it didn’t prevent more fearsome battling on the water. In a medium wind of around fifteen knots, a series of tacks and gybes ensued for what was almost four hours. To spice things up still further, the current also played its part. In these conditions, the crew’s cohesion and its capacity to link the manœuvres together cleanly were certainly the keys to its success: “Despite still being a little hesitant in our starts, we had a good day’s sailing thanks to some very good teamwork onboard. With the current and the chop we encountered, the tacks and as a result the numerous stalls as we powered ourselves up again can prove very disadvantageous. However, I think we’re one of the best crews at getting out of these situations and that’s a great help. Tomorrow, we’re going to need to be more incisive at the starts as it’s evident that we’ve been lacking in this area since the beginning. However, we did win the last race of the day which is highly motivating…” 

    Yann Guichard and his men pulled off a blinding performance today by going up a place in the provisional ranking. They pipped Loïck Peyron at the post and this evening he has a two point deficit on the one design equipped by Baron Benjamin de Rothschild. In the lead we find Oman Sail Masirah, which remains untouchable in these breezy conditions. Pete Cumming’s crew are more than holding onto their lead from yesterday and are even starting to streak away – 34 points over Gitana Extreme – thanks to four more race wins on this second day.

    However, things haven’t been peachy for all the competitors. Indeed, Shirley Robertson’s crew suffered a mishap on the first stretch of the first race: as they were sailing close-hauled bound for the windward mark, iShares hit a spectator rib. The collision caused more fright than damage, but unfortunately it forced the English one design to withdraw for the day.

    Tomorrow will see the final day’s racing of the Cowes Grand Prix with the initial start planned for 1400 hours. Like today, the wind is set to shake up the nine crews and we shall have to wait until the end of the day before we find out who is the outright winner of this third act 2009.

    Crew of Gitana Extreme – LCF Rothschild Group
    Yann Guichard (skipper-helm)
    Pierre Pennec (mainsail traveller trimmer, tactics), Christophe Lassegue (headsail trimmer, control of manœuvres) and Hervé Cunningham (headsail trimmer, control of manœuvres)
     
    Ranking on the second day (after 14 races)
    1/ Oman Sail Masirah (Pete Cumming) – 134 points
    2/ Gitana Extreme- LCF Rothschild Group (Yann GUICHARD) – 100 points
    3/ Oman Sail Renaissance (Loïck Peyron) – 98 points
    4/Luna (Erik Maris) – 84 points
    5/ BT (Nick Moloney) – 84 points
    6/ Groupama 40 (Gildas Philippe) – 77 points
    7/ Holmatro (Carolijn Brouwer) – 55 points
    8/ Ecover – Mike Golding – 54 points
    9/ iShares – Shirley Robertson – 43 points
    10/ Bmw Oracle (James Spithill) – 0 point (Not present in Cowes)