Boat

Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having hydrofoil

Patent

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Details

440 23, 440 38, B63B 3500

Patent

active

054290643

ABSTRACT:
A water borne boat is propelled by manually energized water pumps that propel the boat by induction and reaction forces, the water pumps being manually energized by a person standing on drive members of the pumps, which are operated in the manner of a treadmill.

REFERENCES:
patent: 3479674 (1969-11-01), Beymer
patent: 3487806 (1970-01-01), Ch'iu

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