EVIDENCE

It’s without a doubt in the world of motor superyachts that the ‘Oceanwings’ concept, developed by the French VPLP office, will have the most chance of seeing the light of day in the medium term. Like many current projects aiming to reduce the consumption of fossil fuel, and thus reduce greenhouse gas emissions, the ‘Evidence’ concept uses a rigid wing-type rig, perfectly adaptable to the motor yacht’s way of cruising, which seeks above all ease of use and the fewest constraints possible. By virtue of its totally automated operation, it doesn't have all the complications of an ordinary sailing rig. Its unstayed, rotating wing mast is composed of a rigid carbon structure and telescopic composite cells. This wing has an area of up to 400 m² and retracts electrically or hydro-electrically to furl it or reduce its area. It is twice as efficient as a traditional rig, and is therefore very suitable for big boats. On big boats, when doubling the length, the sail plan has to be increased fourfold and the forces involved are eight times greater. With ‘Oceanwings’, good performance can be obtained without having to use too big a wing. And its easy handling, combined with the possibility of feathering it, create few constraints on the structure.

The result? A 47 meter long luxury multihull which can accommodate around fifteen guests in the greatest comfort, for luxurious long-distance cruises. Hybrid diesel-electric motors and a solar installation can give it a very long range, and a very small ecological footprint. The wing can operate from light winds upwards to assist the mechanical propulsion. But if there is no wind, the motors can allow sufficient apparent wind to be created to give the wing all its potential power. A virtuous circle is thus found…

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