Parachute-type sail for boats

Details Parachute-type sail for boats Parachute-type sail for boats

1996-04-26

1997-07-01

Sotelo, Jesus D.

Ships

Sail or control means therefor

Specific sail structure or arrangement

114 391, 244145, B63H 904

Patent

active

056426836

ABSTRACT:
A parachute-type sail is connected with a tethering line to a water going vessel to provide motive power for the vessel. At least one swivel is disposed on the tether line between the vessel and the sail that allows the sail to roll when the vessel moves and the sail is in contact with the water's surface. The tether line may be raised or lowered relative to the horizon and may be moved around the compass to optimize position of the sail and thereby minimize the overturning vector and optimize the thrust balance for movement with neutral or substantially neutral rudder.

REFERENCES:
patent: 3104855 (1963-09-01), Barish

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