Ships – Sail or control means therefor – Specific sail structure or arrangement
Patent
1988-11-15
1989-11-14
Basinger, Sherman D.
Ships
Sail or control means therefor
Specific sail structure or arrangement
114106, B63H 906
Patent
active
048799610
ABSTRACT:
An airfoil device includes an inflatable structure for attachment to an existing sail to form a sail assembly. The inflatable structure is dimensioned and arranged to extend over a substantial portion of the existing sail and a valve arrangement is included for enabling a user to inflate and deflate the inflatable structure while it is so attached to thereby vary the sail assembly shape. The inflatable structure includes inner and outer layers that define an enclosed interior suitable to contain a pressurized gas for inflation purposes, and they are dimensioned and arranged to provide an airfoil shape to the sail assembly when the inflatable structure is inflated. The inflatable structure may be arranged to be either removably or fixedly attached, and various configurations are disclosed to enable use with various types of sails for all points of sailing under various wind conditions.
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Avila Stephen P.
Basinger Sherman D.
Hanson Loyal M.
Peterson Gordon L.
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