Heritage

Season 26
Types de médias
  • Photos
  • Vidéos
  • Sons
Années
  • 2026
  • 2024
  • 2023
  • 2022
  • 2021
  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
Afficher les résultats (121)
supprimer tous les filtres
  • News
  • Gallery
  • Gitana 18
  • Team
  • 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

    10.05.2006

    The Ouessant dead zone.

    With 36 hours gone of the race from London to Nice, the six trimarans are exiting the Channel in single file, with the leaders at the point of passing Contentin having made their break courtesy of tidal currents and a ridge of high pressure that passed by Ouessant. In the light air, the two Gitanas found the going tough.

    par Gitana

    With 36 hours gone of the race from London to Nice, the six trimarans are exiting the Channel in single file, with the leaders at the point of passing Contentin having made their break courtesy of tidal currents and a ridge of high pressure that passed by Ouessant. In the light air, the two Gitanas found the going tough.

    The interest of an ocean race like this opening event in the Cafe Ambassador Multi Cup between London and Alpes Maritimes is nicely encapsulated by this second day at sea. A matter of a few dozen miles apart, the weather situations are not the same and the gaps with a day gone as fluctuating as wildly as petrol prices during an oil crisis… On its approach to the Contentin peninsula, the two Gitanas opted for a southerly course, a move which has not paid dividends: ten miles behind the leaders on passing the Cape of La Hague, Frédéric Le Peutrec and Thierry Duprey du Vorsent failed to get the benefit of the favourable tide and were forced to move away from the coast. Consequently, their deficit swiftly grew to twenty-five miles and was further exacerbated by nocturnal patches of ocean calm off the Breton coast.

    Profiting from the outgoing tide and a sustained breeze, the two leaders (Banque Populaire IV and Groupama 2) were able to slip away via the west and rapidly exit the windless trap of Ouessant. Two hours later, the situation around Finistère Island had already changed! The noose had closed again around the necks of the two Gitanas, with Géant having just managed to catch the last gusts coming from the northwest. So this Wednesday morning, with the two leaders going hell for leather towards Cape Finisterre, their three direct pursuers are still stuck in the ocean off Brittany… And the situation is even worse for the youngsters of Sopra Group, who are embedded in a windless hole back by Perros Guirec!
    The yo-yo effect: the south-easterly wind is more favourable for the leaders and the gaps are going to increase as the hours pass… before, one would normally expect, being suddenly reduced on hitting Cape Finisterre, with the breeze likely to be at its strongest (20-25 knots) in the middle of the Gulf of Gascony but very weak around the north-westernmost tip of Spain (5-8 knots) this Wednesday evening. Logically then, the fleet should become more grouped together at the Iberian Peninsula. The key is to be patient, hang on in there and maintain morale…

    Nicolas Raynaud onboard Gitana 12

    “Whereas on land, most people often have the impression that the day’s weather never seems to be as forecast, it has to be admitted that at sea in our regions, the reverse is frequently the case. If you equip yourself with the resources to obtain the right info and if you know how to analyse it, the accuracy could even be sometimes described as uncanny. Consequently, we knew we were going to enter, then have to cross, a high-pressure ridge on Wednesday located near the tip of Brittany, a scenario which did indeed unfold and is still unfolding point by point. On Tuesday evening, a cold but splendid night with the lights of the coastline reflecting on the water, the wind dropped as forecast from 15 to 5 knots, after having switched from west to northwest. It was then with gennakers flying and our Gitana 11 pals sticking to our transom that we crossed the Chenal du Fromveur between Ouessant and Molène, renowned for being one of the most treacherous spots on the planet. But beneath almost a full moon, we had therefore earned the right to a bit of “girlie weather”, as we waited for the slightest little extra knot of speed. For of course, we knew perfectly well that our rivals ahead were forging ahead, with a gap that was likely to increase still further! In such a situation, as is often the case, we needed to be in front! How did we end up falling behind yesterday? An overly long leg toward the ocean before the Cotentin peninsula and a speed deficit due initially to our lack of knowledge of the boat were quite simply enough to do for us. When the south-westerly wind rose, it was actually the first time we’d been sailing in such conditions. Let me assure you, we’ve got the hang of her now. After having been stuck for too long at an upper limit of 16-17 knots, we were able to reach the essential 18-knot mark! After a splendid sunrise in the Iroise sea, with an unfortunately gentle sea scarcely wrinkled by a few saving ripples, we’re at least going to shed our oilskins for the first time. That’s perhaps the only positive aspect of this morning, which is going to be entirely devoted to catching the new wind which, as you know, is on the other side of this windless zone!”

    Fred Guilmin onboard Gitana 11

    “I’m writing this message to you as the sun rises portside. The weather’s fine but there’s a lack of wind. We’re still ruminating on our error at the start of the course when we headed due south in the Channel, creating too much of an east-west gap with our rivals. We paid for it by arriving at La Hague too late, but there’s still a long way to go and we’re especially thinking about the new weather situation, which is not straightforward either. For the sake of suspense, I’m not going to reveal our plans to you. In any case, the Gitana team is sailing within sight of each other, the boat is in good nick and everything’s functioning correctly. Thanks again to the technical team: they’ve done a super job. Talk to you tomorrow morning.”