Sail

Details Sail Sail

1986-11-05

1988-05-03

Peters, Jr., Joseph F.

Ships

Sail or control means therefor

Specific sail structure or arrangement

B63H 904

Patent

active

047412828

ABSTRACT:
An aerofoil sail, with two sailcloth sides of substantially equal area and shape, and an airspace between them, and includes vents by which the airspace may be inflated by the wind, and structure by which either side of the sail may be made shorter from tack to clew than the other.

REFERENCES:
patent: 3391668 (1968-07-01), Birchill
patent: 4116406 (1978-09-01), Hamilton

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