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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

    23.08.2004

    Gitana 11 makes a clean sweep in the Petit Navire Speed Challenge.

    Ten days after having relaunched the two Gitana trimarans and having devoted the start of the week to speed tests and training sessions, the Gitana Team's flawless technical and sporting preparation has produced excellent results, as demonstrated by the outcome of the Défi Petit Navire 2004.

    par Gitana

    Ten days after having relaunched the two Gitana trimarans and having devoted the start of the week to speed tests and training sessions, the Gitana Team’s flawless technical and sporting preparation has produced excellent results, as demonstrated by the outcome of the Défi Petit Navire 2004.

    Nothing could be more straightforward. The Défi Petit Navire involves covering a 9-mile long course set between Douarnenez and Morgat, in either direction as many times as the competitor may wish, between 11h00 and 19h00 over a three day period. This year, 28 « sailing craft » entered the Défi, but only the conditions of the first two days turned out to produce conditions which were favourable to stunning performances, with the wind on Saturday falling to 7 knots whereas it had been blowing at more than 20 knots on the first two days. Gitana 11 won with a course time of 16’59”, translating to an average speed of 32.14 knots after a series of 125 runs raced by 4 60-foot miltihulls, 10 kitesurfers,  8 windsurfers and 6 speed craft. Gitana X’s time of 19’10” made her third overall behind Banque Covefi (18’10”).


    ITV with Fred Le Peutrec, skipper of Gitana 11 :

    « There’s a great atmosphere on this challenge. It’s a brilliant idea to bring all the speed freaks together and give a wide range of categories the opportunity to weigh each other up in identical conditions, even if things were a little easier for we multihulls as we have a wider range of possibilities in different wind angles. It’s a wonderful site, the runs finishing in front of the jetty making it possible for the public to see what we are made of. As for the technical side of things, it is actually quite difficult to draw conclusions based on what is a very special sort of event consisting of going as fast as possible on one single tack. There’s no manœuvre or tactical element to compare with normal racing. But it does mean that we have to push the boat as hard as we can which does mean that we thoroughly check the repairs made to  Gitana 11 after the damage she sustained in the  Québec Saint Malo race. We have also been able to continue working on our speed calibration under different points of sail and to perfect our trimming. We’re pleased to have clocked up an average of 32.14 knots over  9 miles – a fine performance of which we are proud. Now Gitana Team’s objective is to continue down the same path through to the end of the ORMA 2004 programme where three more competitions lie ahead. In Fécamp this week, followed by Corsica and then Marseille at the start of October. »


    Thursday 19th August 2004

    The 28 competitors had a calm sea, a fine 15-20 knot south-westerly blow and sunny spells for the start of the Défi 2004. From the very beginning of this three day long confrontation, both of the Gitana Team multihulls set the pace with a combined total of 13 attempts (7 for Gitana 11 and 6 for Gitana X) pushing up the bids throughout the day and putting on a rare show for the public. At the end of this first series of runs, totalling 63 by the end of the day, Gitana 11 proved to be the fastest of all, covering the course from Morgat to Douarnenez  in 17’20”, at an average speed of 31.5 knots over a distance of 9.1 miles. Gitana X took second with a time of 19’10”.

    Results over 63 runs:
    Best time overall on the 9.1 mile run : Gitana 11 in 17’20” / average speed of 31.5 knots


    Friday 20th August 2004

    A second day of runs with spectacular conditions for competitors and the hundreds of spectators who had come to watch this unusual match. A fresh northerly wind, blowing at 20 knots with gusts of up to 30 knots, whetted the appetite of record-hungry competitors, particularly the 60-foot multihulls. The kitesurfers had come along with the firm intention of tackling the multihulls, comforted Manu Taub’s recent speed record of 40.58 knots. 52 attempts were made on Friday after which Gitana 11 was once again in the lead improving on her previous day’s performance by 21 seconds, with a time of 16′ 59 ‘’, an average speed of 32.14 knots. A performance marked by some extraordinary images on France 2’s television evening news programme. Gitana X third for the day and overall behind Banque Covéfi.

    Overall results after 115 runs:
    Best time overall on the 9.1 mile run : Gitana 11 in 16’59 / average speed of 32.14 knots
     

    Saturday 21st  August 2004 

    With average wind speed of 7-10 knots, it was not possible to improve upon Gitana 11’s previous time of 16’59” on this last day of the Défi. Gitana 11 comes out of the competition as overall winner of the third edition of this speed test with the best time on not only the outward but also the outward and return run with a time of  39′ 38”.


    Members of the Gitana Team on board for the Défi Petit Navire


    Crew – Gitana X
    Marc Guillemot
    Thierry Duprey
    Olivier Wroczynski
    Erwan Le Roux
    Alexandre  Marmorat
    Jacques Guichard
    Léo Lucet

    Crew –  Gitana 11
    Fred Le Peutrec
    Yann Guichard
    François Denis
    Jean Baptiste Epron
    Xavier Dagault
    Fred Brousse
    Loïc Le Mignon

    Next competition : The Grand Prix de Fécamp on 27th, 28th and 29th August.

    After the Défi Petit Navire, both Gitana Team trimarans set out for the coast of Normandy on a delivery passage for the first training sessions for the Grand Prix de Fécamp due to start on Friday.

    Crew list for the Grand Prix de Fécamp


    Gitana X
    Marc Guillemot – Skipper
    Jean-Christophe Mourniac
    Antoine Carpentier
    Yvon Daniel
    Thierry Duprey
    Jacques Guichard
    Fred Le Mestre
    Erwan Le Roux
    Alex Marmorat
    Nicolas Raynaud
    Olivier Wroczynski

    Gitana 11
    Fred Le Peutrec – skipper
    Baron Benjamin de Rothschild
    Nicolas Berthoud
    Fred Brousse
    Xavier Dagault
    François Denis
    Yann Eliès
    Jean Baptiste Epron
    Yann Guichard
    Christophe Lassègue
    Yann Marilley