Boat, the bottom of which is provided with a plurality of downwa

Details Boat, the bottom of which is provided with a plurality of downwa Boat, the bottom of which is provided with a plurality of downwa

1984-10-15

1986-08-05

Barefoot, Galen L.

Ships

Hull or hull adjunct employing fluid dynamic forces to...

Having fluid channeling or entrapping configuration

B63B 132

Patent

active

046036504

ABSTRACT:
This invention relates to a boat, the bottom of which is provided with a plurality of downwardly opening channels intended to receive air during the forward movement of the boat in order to produce a reduction of the friction between the water and the bottom surface. In order to make the air inflow into the channels easier these are, regarded from above and from below respectively, extending along their whole extension mainly parallel to the bottom line of the boat in the direction astern from places at the stem of the boat above the water surface to places under the water surface.

REFERENCES:
patent: 1514695 (1924-11-01), Grenier
patent: 1656411 (1928-01-01), Baldwin
patent: 2044771 (1936-06-01), Carr, Jr.
patent: 3077172 (1963-02-01), Dornak
patent: 3216389 (1965-11-01), Thorsen
patent: 3226739 (1966-01-01), Noe

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