Method and apparatus for increasing sail efficiency

Details Method and apparatus for increasing sail efficiency Method and apparatus for increasing sail efficiency

2007-10-09

2007-10-09

Basinger, Sherman (Department: 3617)

Ships

Spars

Gaffs, booms, etc.

C114S102130

Reexamination Certificate

active

11372826

ABSTRACT:
A method and apparatus for increasing sail efficiency is disclosed. The apparatus comprises a second sail, disposed in a second plane substantially perpendicular to the first plane, wherein the second sail is disposed proximate a periphery of the first sail.

REFERENCES:
patent: 3720180 (1973-03-01), Stangeland
patent: 3820493 (1974-06-01), Amick
patent: 4347799 (1982-09-01), Moriarty
patent: 4951589 (1990-08-01), Pfeffer
patent: 5038699 (1991-08-01), Cochran et al.

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