Marine propulsion unit

Details Marine propulsion unit Marine propulsion unit

1994-06-14

1995-12-05

Swinehart, Edwin L.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

440900, B63H 2132

Patent

active

054723612

ABSTRACT:
An improved outboard motor construction having a power head which has a water tight lower portion which is submerged when the associated watercraft is not in a planing condition so as to provide a buoyant assist for the watercraft to reach the planing condition without any attended hydrodynamic drag when planing.

REFERENCES:
patent: 2900947 (1959-08-01), Cotal
patent: 3195521 (1965-07-01), Larsen
patent: 3911853 (1975-10-01), Strang
patent: 4371348 (1983-02-01), Blanchard
patent: 4449945 (1984-05-01), Ferguson
patent: 4927392 (1990-05-01), Makihara et al.

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