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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

    14.01.2024

    South Atlantic: the descent commences.

    One week ago, the six pioneers in the Arkea Ultim Challenge left Brest with the mixed sentiments of emotion and excitement synonymous with major debuts! Since then, the solo sailors have really got their teeth into the race and the past seven days have set the tone: intense! At the front of the pack upon exiting the Bay of Biscay, Charles Caudrelie…

    par Gitana

    One week ago, the six pioneers in the Arkea Ultim Challenge left Brest with the mixed sentiments of emotion and excitement synonymous with major debuts! Since then, the solo sailors have really got their teeth into the race and the past seven days have set the tone: intense! At the front of the pack upon exiting the Bay of Biscay, Charles Caudrelier and the Maxi Edmond de Rothschild rank among the key movers and shakers at the start of this round the world. A bill they share with the youngster of the race, Tom Laperche, very at ease at the helm of his giant. This Sunday, with the top duo now navigating the South Atlantic, the atmosphere is one of high speeds offshore of Brazil.
    A promising time to the equator 

    Yesterday at 20:14 UTC, the Maxi Edmond de Rothschild crossed the equator after 6 days 7 hours 42 minutes 11 seconds. This is clearly no record time, the latter still held by Thomas Coville since his victorious ‘Trophée St Exupéry’ in 2016 (round the world record under sail, editor’s note), which saw him cover the distance from Ushant to 0 degrees latitude in 5 days 17 hours and 11 minutes. However, it’s important to remember that not only did the solo sailors in the Arkea Ultim Challenge not choose their departure weather window, but the atypical weather scenario for the North Atlantic has also been far from favourable for setting a record time. That said, this combination of factors does provide a good indication of the high pace and commitment of Charles Caudrelier and the five other sailors in this ULTIM round the world race.   

    Since yesterday’s express negotiation of the doldrums and the symbolic passage across the equator in the evening, Tom Laperche has managed to drive his 32-metre giant to perfection and gain a slight advantage. Indeed, the medium airs which punctuated yesterday suited his platform to a T. At the 16:00 UTC ranking this Sunday, the Maxi Edmond de Rothschild was some 56.5 miles astern of SVR – Lazartigue. Conceding miles goes against the grain for someone competitive like Charles Caudrelier but his deficit is very minor given the scale of their planetary challenge.   

    Charles Caudrelier, 14 January 2024   

    “That’s it, we’re through the doldrums. We could have done a little better but we haven’t faired too badly! Bravo to Tom, who’s sailed a remarkable race. We made a few mistakes yesterday and he’s capitalised on that. He’s sailed the perfect race so far. It’s still satisfying to have got through the doldrums having broken right away from our other serious rivals though.   My hopes now are that we’ll be able to latch onto a sequence of weather systems that the others won’t hook onto, so we can get some important separation in a few days’ time. Overall, I’m pleased with how the first week has gone. I’ve had a few repairs to make, but they’re only details. For example, I had to do a bit of work on the cuddy, which was damaged, but nothing special. All in all, the situation is very positive as we arrive in the South Atlantic with a boat in tip-top condition after what was a fairly powerful depression. I feel well in myself too. I feel very good at sea. I’m into the swing of things. I’m sailing my own race and the South Atlantic is opening up in front of us!”   

    Ranking at the 16:00 UTC position report 

    1) SVR Lazartigue – Tom Laperche       
    2) Maxi Edmond de Rothschild – Charles Caudrelier – 56.5 miles behind the leader     
    3) Sodebo Ultim 3 – Thomas Coville – 417.3 miles behind the leader     
    4) Maxi Banque Populaire XI – Armel Le Cléac’h – 463.7 behind the leader     
    5) Actual Ultim 3 – Anthony Marchand – 879.3 behind the leader     
    6) Ultim Adagio – Eric Peron – 1,576.0 behind the leader