Personalized watercraft

Details Personalized watercraft Personalized watercraft

1994-09-30

1998-02-17

Swinehart, Edwin L.

Marine propulsion

Operator powered drive for propelling means

Rotary cranking arm

440 30, B63H 1620

Patent

active

057186111

ABSTRACT:
A watercraft has floats supporting a bicycle-type frame having handlebars connected to a rudder to steer the watercraft. Side boards located on opposite sides of the frame are mounted on cross bars which support the frame on the floats. A chain and sprocket foot operated drive is connected to a shaft journaled to a housing accommodating a power transmission for rotating a propeller. A chain guard is located on opposite sides of the chain connecting the shaft and foot operated drive. The housing is movable between a down location wherein the chain is retained in a tension condition to an up location wherein the chain is in a loose condition.

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The Science and Technology of Low Speed and Motorless Flight, "Design of Propellers for Motorsoarers" article by E. Larrabee, 1979.
Scientific American, "Human-Powered Watercraft" brochure Dec., 1986.

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