Sail for a wind-powered vehicle

B - Operations – Transporting – 63 – H

Patent

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Details

B63H 9/10 (2006.01) B63B 35/79 (2006.01) B63H 9/06 (2006.01)

Patent

CA 2247823

The invention concerns a sail (1) for a wind-powered vehicle, such as a surfboard, sailing boat or the like, wherein the sail (1) can be connected along its front edge (11) to a mast (3). At its clew or at or near its lower edge (16) the sail (1) can be connected at least at points to a boom (30) which is connected in hinged manner to the mast (3). In the region of its free rear edge (12) the sail (1) comprises at least one part (20) which is adjustable in the sail plane. By adjusting the sail part (20) in its one adjusting direction, the overall area of the sail (1) can be decreased and, by adjusting the sail part (20) in its other adjusting direction, the overall area of the sail (1) can be increased. The sail according to the invention is characterized in that the adjustable sail part (20) can be displaced substantially perpendicular to the free rear edge (12) of the sail (1) and/or substantially parallel to the boom (30).

L'invention concerne une voile (1) pour véhicule propulsable par énergie éolienne, tel qu'une planche de surf, une planche à voile ou similaire. La voile (1) peut être reliée à un mât (3) le long de son arête avant (11) et au niveau de son point d'écoute ou au niveau ou à proximité de son arête inférieure (16), au moins ponctuellement avec une bôme (30) reliée de manière articulée au mât (3). La voile (1) comporte dans la zone de son arête arrière (12) libre au moins une partie déplaçable dans le plan de voile. Le déplacement de la partie (20) de voile dans une de ses directions de déplacement permet de réduire l'ensemble de la surface de la voile (1), et permet dans l'autre, d'augmenter l'ensemble de la surface de la voile (1). La voile obtenue selon l'invention se caractérise en ce que la partie (20) déplaçable de la voile peut être déplacée sensiblement perpendiculairement à l'arête arrière (12) libre de la voile (1) et/ou sensiblement parallèlement à la bôme (30).

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