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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

    05.07.2006

    Mr Zolive.

    So who exactly is this fellow who does a million and one things with his hands for the Gitana Team? To cut a long story short, this man could cut a swathe through thick jungle wide enough to drive a jeep along armed simply with a machete, then put up an inflatable 25-bed field hospital without taking a breather. That's how good he is.

    par Gitana

    So who exactly is this fellow who does a million and one things with his hands for the Gitana Team? To cut a long story short, this man could cut a swathe through thick jungle wide enough to drive a jeep along armed simply with a machete, then put up an inflatable 25-bed field hospital without taking a breather. That’s how good he is.

    52-year-old Olivier Wroczynski is a genius at mechanics, embedded electronics, and a whole host of other things. Let’s take a quick look at the career path of this sailor in a million born to parents of Polish and Armenian stock. It all began 52 years ago, when his civil servant father grasped his best pen with his tongue between his teeth, carefully dotting all the I’s and crossing the T’s in order to correctly set down the family name of little Oliver when the Wroczynski parents came to register his birth at Stains town hall: “That’s right! I was born in the suburbs. 93 hadn’t been invented yet!” Olivier jokes. Presumably for the sake of convenience and so as not to have to get the tongue round the name Wroczynski, he has always been known to everyone simply as “Zolive”, and that’s how it’s been for the last 25 years on the decks of all vessels, Breton or otherwise.

    While he is the most charming and gentlest chap you could ever hope to meet, he is also a man who has never lost sight of his childhood dream: “to go to the moon”. Realising that space travel might have to wait a bit, the prudent Zolive started off sailing on Enghien lake, whereupon the attractions of these trimarans with engines like catapults took hold. But “Zolive” has not given up on his great intergalactic adventure. It’s a genuine ambition, make no mistake about it, but he’s nevertheless a fellow blessed with plenty of good sense and a powerful mind. First and foremost, however, he’s a man who never stays in one place for long.

    That’s not to suggest that Olivier is a disruptive character. Far from it. He’s actually a soothing presence who would have loved to have sailed on Noah’s Ark or climbed the Tower of Babel to take exact measurements, as this is a man who is obsessed with accuracy. Within the Gitana ranks, Zolive is an ingenious, lively, efficient and incredibly friendly character, who is always receptive to new ideas. “At first, I became a crewman to learn. 25 years ago, the multihulls were always looking for technical bods like me… But I’m too old to sail now. I prefer to stop before I do myself an injury,” he insists with a tinge of sadness.  Zolive has around twenty Atlantic crossing under his belt. He has been a skipper in the Antilles and a sailing instructor, as well as spending a stint teaching on the ski slopes. He has an electronics diploma and also a light aircraft pilot’s licence, which he once put to god use by flying advertising banners over the beaches of Var. Twenty years on, he retains a happy memory of these “commercial flights”.

    Then one day, Zolive bumped into Laurent Bourgnon: “He asked me if I fancied forming a team, and I thought why not.”  He stayed with Bourgnon for five years, before working for 5 years on the hydrofoil. He then set up on his own account but like all good geniuses, became frustrated with the paperwork and red tape. Since 2002, he has been part of the Gitana fold, and it’s as if he’s always been there. Zolive is an expert in the art of tinkering and often has to be literally dragged off the deck of Gitana, as he protests that he hasn’t finished his work.  With his wild hair, English sense of humour and Parisian accent, Zolive looks every inch the mad scientist. He guides a motorised launch like an airbus between the Grand Prix stages, so skilfully that there’s no chance of missing it. You might even say, without risk of hurting his feelings, that Zolive is the memory of ocean-bound trimarans. One day, he really should commit all his anecdotes and sailing tips to paper. Now there would be a book that would really fly off the shelves. 

    Jean-Louis Le Touzet.