Flexible wing rib sail

Ships – Sail or control means therefor – Specific sail structure or arrangement

Patent

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Details

114 90, 114102, 114 98, 114 391, B63H 906

Patent

active

047336242

ABSTRACT:
A sail on a cylindrical mast provides an aerodynamically shaped leading edge automatically oriented into relative wind, and a smooth shape behind the mast automatically adjusting for changes in trim of the sail. Flexible rib pairs opposite the mast are clamped tantentially to full length battens, the battens defining the shape of the ribs and the orientation of the leading edge.

REFERENCES:
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patent: 4479451 (1984-10-01), Lucht
"The Hi-Tension Wing Sail", by Jeff Magnan, Wind Surf, Jun. 1984, pp. 58-59.
"The Solid Wing", by Gary Efferdiny, Wind Surf, Jun. 1984, p. 59.
"Foils--Present & Future", Sailboarder, May 1984, by Barry Spanier and Goeffrey Bourne, pp. 22, 23.
"30k & Beyond", by Cliff Webb, Wind Surf, Mar. 1984, pp. 38-41, 79.
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North Sails Surf Advertisment, Wind Surf, Mar. 1984, p. 30.
"Sails--the Optimum Quiver", by Bill Whidden, Wind Surfer, May 1984, pp. 64-66.
"The Wing Mast: Vacuum Advance", by Clay Feeter, Wind Surfer, May 1984, p. 65.
"R & D Capers", by Roger Jones, Wind Surf, Jul. 1984, p. 70.

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