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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

    17.11.2019

    Towards the ice gate and the Roaring Forties.

    The Brest Atlantiques fleet is continuing its difficult progress in the South Atlantic. Since rounding the passage mark of Rio de Janeiro, which the Maxi Edmond de Rothschild successfully negotiated at lunchtime on Thursday, conditions have become tougher and the four participating duos are having to contend with sustained winds - 30 knots and heav…

    par Gitana

    The Brest Atlantiques fleet is continuing its difficult progress in the South Atlantic. Since rounding the passage mark of Rio de Janeiro, which the Maxi Edmond de Rothschild successfully negotiated at lunchtime on Thursday, conditions have become tougher and the four participating duos are having to contend with sustained winds – 30 knots and heavy head seas, which are proving exhausting for the men and hard on the machines. However, these full-on conditions seem to really suit Charles Caudrelier and Franck Cammas who, for the past three days, have been stamping their mark on the rhythm of the race and really showing what the flying maxi-trimaran with five arrows is capable of. At the 11:00 UTC position report, they boasted a 74-mile lead over François Gabart and Gwénolé Gahinet and nearly 200 miles in relation to Sodebo Ultim.
    Favourable weather pattern for the pursuers

    Last night, the Maxi Edmond de Rothschild saw her rivals make up some ground on them. Indeed, they were able to close on the leader due to the passage of a small depression, that only affected the first duo in the Brest Atlantiques, as Franck Cammas was already predicting yesterday: “We have a depression to negotiate tonight. It’s not very big but it will involve a lot of sail changes in order to get past it.” 

    In fact, it’s been an active night in the cockpit of the latest Gitana, constantly adapting to the sail area according to the variations in the wind, the whole thing in less heavy seas, but they’ve still had to punch into them so it’s been a relatively uncomfortable ride. Since then, Gitana 17 and her crew have latched onto a more established breeze again and the few miles conceded in the light airs at the centre of the depression have already been made up in part. At the 11:00 UTC ranking, the 32-metre giant was lengthening her stride at nearly 30 knots bound for Gough Island, one of the islands that make up the British archipelago of Tristan da Cunha, and the ice gate imposed by Race Management for the event. Indeed, following the detection of ice via satellite, an imaginary line has been set up by the organisers to help the competitors avoid sailing in zones where there is a potential risk. 

    This safety measure is necessary but adds to the difficulty in what is a game of strategy for the competitors in the Brest Atlantiques. This reason for this is that the Saint Helena High is further South than normal and just skirts this ice gate…

    The third man 

    For over twelve days, he has been enabling us to get an insight into the daily life of Franck Cammas and Charles Caudrelier through his camera lens. His drone images during the descent of the Atlantic and more recently the passage around the Cagarras Islands have not gone unnoticed, adding yet another dimension to our ability to follow their progress in the race. However, Yann Riou, the media man on Edmond de Rothschild, is also a seasoned sailor: Mini Transat, dozens of transatlantic races, a Jules Verne Trophy and two Volvo Ocean Races… In this way, he’s familiar with the extreme conditions of the Southern Ocean. That’s why today’s account from him is a very good indicator of how hard life – and work – is aboard Gitana 17: “This evening, we should make the ice gate. That doesn’t sound very appealing said like that… And yet, it also means that we’ll be done with this wretched spell of reaching! It’s been three days that we’ve been making headway punching into the sea in sustained breeze. So yes, it’s become a little less laborious than when we were leaving Rio, but it’s still complicated. It’s complicated to find the right compromise to go fast without risk of damaging the boat. It’s complicated to get any sleep between the wave hopping. And it’s complicated to write this message with a keyboard that keeps slipping off my knees. So yes, we may be a bit cold, but we’re pretty content to get to this point, in these famous Roaring Forties…”

    Ranking on 17 November 2019 at 11:00 UTC

    1. MAXI EDMOND DE ROTHSCHILD (Franck Cammas / Charles Caudrelier / Yann Riou) – distance to the goal: 7,481.7 miles – average speed over the past 30 mins: 29.4 knots

    2. MACIF (François Gabart / Gwenolé Gahinet / Jérémie Eloy) – 74.1 miles behind the leader – average speed over the past 30 mins: 22.7 knots

    3. SODEBO ULTIM 3 (Thomas Coville / Jean-Luc Nelias / Martin Keruzoré) –  199.8 miles behind the leader – average speed over the past 30 mins: 29.9 knots

    4. ACTUAL LEADER (Yves Le Blevec / Alex Pella / Ronan Gladu) –  325.3 miles behind the leader – average speed over the past 30 mins:   25.3 knots