Wind ship propulsion system

Details Wind ship propulsion system Wind ship propulsion system

1983-09-23

1985-12-31

Blix, Trygve M.

Ships

Sail or control means therefor

Specific sail structure or arrangement

114 39, B63H 910

Patent

active

045613745

ABSTRACT:
A rigid or semirigid sailing rig having an airfoil shaped mainsail, hinged at its luff to an airfoil shaped jib pivotable at the hinge axis 25.degree. to either side of the mainsail's centerline to form a continuous airfoil which is smoothly curved on the lee side and relatively flat on the windward side. The airfoil is mounted between two end plates and the entire assembly is rotatable 360.degree. relative to the ship and on an axis of rotation slightly jibward of the center of wind pressure upon the airfoil assembly.

REFERENCES:
patent: 4047833 (1977-09-01), Decker
patent: 4473023 (1984-09-01), Walker

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