Simplified elevated sailing apparatus

Details Simplified elevated sailing apparatus Simplified elevated sailing apparatus

2007-09-04

2007-09-04

Basinger, Sherman (Department: 3617)

Ships

Method of sailing sailpowered watercraft

C114S039290, C114S102100, C114S102160, C114S102290, C244S024000

Reexamination Certificate

active

11151811

ABSTRACT:
An elevated sailing apparatus that extracts traction power from the wind. It operates without the heeling moment (typical of conventional sailboats), which constrains the design and limits the power that can be used. A wing or sail is attached beneath a streamlined blimp with aerodynamic stabilizers that keep both the blimp and the wing (or sail) directed into the wind. The blimp is directed into the wind for minimum drag. The wing (or sail) is directed into the wind for a desired angle of attack. The apparatus is tilted so that a combination of dynamic lift and lateral propulsive force is generated in addition to the static lift generated by the blimp. A single tether transfers these aerodynamic forces to a boat or other vehicle. Conventional electronically operated automatic and remote control systems can be used to adjust the tilt and to tack the apparatus.

REFERENCES:
patent: 3971533 (1976-07-01), Slater
patent: 4497272 (1985-02-01), Veazey
patent: 4601444 (1986-07-01), Lindenbaum
patent: 4889297 (1989-12-01), Ikeda
patent: 6402090 (2002-06-01), Aaron
patent: 6925949 (2005-08-01), Phillips

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