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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

    07.07.2022

    Gearing up for a photo finish?.

    Just a matter of hours from the outcome of the Finistère Atlantique Challenge Action Enfance, the end result is still far from certain. The duel continues between the Maxi Edmond de Rothschild and Banque Populaire XI and the shore teams await them with bated breath. Though Charles Caudrelier and his men are still hanging onto a lead of around twent…

    par Gitana

    Just a matter of hours from the outcome of the Finistère Atlantique Challenge Action Enfance, the end result is still far from certain. The duel continues between the Maxi Edmond de Rothschild and Banque Populaire XI and the shore teams await them with bated breath. Though Charles Caudrelier and his men are still hanging onto a lead of around twenty miles over Armel Le Cleac’h and his crew, the sailors that make up Gitana Team are keeping a cool head and are solely focused on getting 120% out of the five-arrow giant’s potential. However, they are all too aware how lots of tiny details could still turn the situation on its head. As such, the watchword over the final hours of racing has to be concentration! The latest ETAs suggest a finish between 16:00 and 18:00 UTC this Thursday.

    At the 13:00 UTC position report, the Maxi Edmond de Rothschild was some 97 miles from Concarneau and racking up an average speed of around 30 knots. In her wake, slightly offset to leeward, Banque Populaire XI was also lengthening her stride and is proving to be very quick over this final section of the course, on a reach at the limit of flight. Late this morning, Charles Caudrelier, on watch trimming whilst Franck Cammas focused on helming the giant, gave us the low-down: “Conditions are complicated because we’re at the limit of flight, the boat taking off at 26/27 knots in a breeze that is a bit light and very shifty. When we’re airborne we’re making 30 knots and when we’re not flying, we’re making 25 knots, so it’s really challenging in terms of performance. It effectively means that you have to be dynamic in the trimming, with Franck.”

    Turning their attention to the finish, the men of Gitana Team are keeping a close eye on their direct rival in the rear-view mirror: “Banque Populaire is about twenty miles behind for now, but they have shifted across slightly, which is giving them a better angle, so there’s always a risk, because just a few degrees is all it takes to get the boat really accelerating. Right now, we’re about 60 degrees to the wind, we’re making 30 knots and we know that if we’re at 65 degrees we’re able to make headway at 35 knots. So that’s the challenge at the moment!” admitted the skipper of the Maxi Edmond de Rothschild.  

    “The final change of tack last night was decisive. It was important to nail the timing of it in relation to our rival, even though we had a good lead. However, it wasn’t easy as we were keen to head a little further north, but we would have entered the zone of high pressure, so we were afraid we would stumble into light airs whilst they opted to tack under us and launch onto a direct course. We were at 90 degrees to the course at that point and we were closing on the centre of the high pressure to hunt down a wind rotation… Ultimately, they were the ones that took the more extreme option, but there weren’t really any other angles of attack and we know they won’t ease off the pressure. Each time we think we’ve beaten them, they come back and put us into some difficult situations. It’s a great battle though… I don’t know who’s going to win, but either way, we’ve both posted creditable performances and it will remain a great duel!” concluded Charles Caudrelier, keen to rediscover the bay of Port la Forêt, that of his childhood and, if at all possible, with another victory to the credit of the Maxi Edmond de Rothschild.

     

     

    Positions at the ranking of 13:00 UTC

    1.  Maxi Edmond de Rothschild  at 97,1 miles of the finish
    2. Banque Populaire XI à 17 miles of the leader
    3. Sodebo Ultim 3 à 302,8 miles of the leader
    4. Actual Leader à 470,7 miles of the leader 

     

    The Finistère Atlantique – Challenge Action Enfance

    3,163-mile course across the North Atlantic

    Concarneau, the Glénan archipelago, Madeira, Lanzarote (Canaries), Santa Maria (Azores), Concarneau (Brittany)

     

    Crew on the Maxi Edmond de Rothschild

    Charles Caudrelier, skipper

    Franck Cammas, helm, navigator

    Morgan Lagravière, helm, trimmer

    David Boileau, trimmer, bowman

    Erwan Israël, helm, trimmer

    Yann Riou, media crew, helm