Hull for sailing ship

Details Hull for sailing ship Hull for sailing ship

1990-04-09

1992-04-14

Swinehart, Edwin L.

Ships

Apparatus held by or attached to rider to control sailboard...

Foot strap means

114121, 114125, B63B 3500

Patent

active

051037521

ABSTRACT:
A hull for sailing ship makes it possible to sail mostly by sail and by engine when necessity arises. An auxiliary propulsion engine is installed within a ballast portion protruding downward from the bottom of the hull body, so that the auxiliary propulsion engine can also be used as ballast.

REFERENCES:
patent: 1399263 (1921-12-01), Lantz
patent: 1444150 (1923-02-01), Gadomski
patent: 2371478 (1945-03-01), Steele
patent: 2692570 (1954-10-01), Costa
patent: 3238911 (1966-03-01), Pazulski
patent: 3943873 (1976-03-01), Hering et al.
patent: 4505217 (1985-03-01), Endo et al.
patent: 4541356 (1985-09-01), Jones et al.
patent: 4899679 (1990-02-01), Immonen

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