Lift creating sail and sail system

Details Lift creating sail and sail system Lift creating sail and sail system

B - Operations, Transporting

63

H

B63H 9/06 (2006.01)

Patent

CA 2312097

An improved lift creating sail and sail system where a substantially rectangular mainsail (2) made up of panels forms an aerodynamically efficient airfoil that is supported at approximately its center on a pivot so that is has three degrees of freedom. The mainsail can be tilted at hartships, rotated along a yaw axis, and tilted for and aft to create lift and minimum drag. An optional jib sail (3) that can track the motion of the mainsail also produces lift. The mainsail (2) and jib sail (3) can be trimmed and positioned along three degrees of freedom to obtain maximum lift and minimum drag as well as a stable system. The effect of this sail system is to increase the speed of the boat by 15-25 %.

L'invention concerne une voile améliorée créant de la portance et un système de voiles dans lequel la grand-voile (2) sensiblement rectangulaire, constituée de panneaux, forme une surface portante efficace du point de vue aérodynamique, soutenue vers son centre par un pivot qui lui permet de pivoter dans trois dimensions. La grande voile (2) peut être inclinée à bâbord / à tribord, tournée autour de l'axe de lacet et inclinée en avant et en arrière pour créer de la portance et minimiser la traînée. Un foc (3), proposé en option, peut suivre les mouvements de la grand-voile et également créer de la portance. La grand-voile (2) et le foc (3) peuvent être réglés et positionnés en trois dimensions pour arriver à une portance maximale, minimiser la traînée et obtenir un système stable. Grâce à ce système de voiles, la vitesse du bateau augmente de 15-25 %.

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