Compact self-trimming wingsail

Details Compact self-trimming wingsail Compact self-trimming wingsail

B - Operations, Transporting

63

H

B63H 9/06 (2006.01)

Patent

CA 2128724

2128724 9315951 PCTABS00024 A wingsail assembly comprising at least one rigid thrust wing (1) mounted for free rotation about an upright axis (8). The assembly including means (11) for rotating or translating at least a portion of the thrust wing so as to adjust the location of the instantaneous centre of pressure (9) of the thrust wing with respect to the upright axis. The thrust wing is trimmed by an upwind auxiliary vane (7), freely pivoted upwind of its centre of pressure, the angle of attack of the auxiliary vane being controlled by the position of a secondary control aerofoil (15) positioned downwind from the auxiliary vane.

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