Power boat hull

Details Power boat hull Power boat hull

1993-07-30

1994-10-04

Avila, Stephen P.

Ships

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

Stepped hull

B63B 100

Patent

active

053516427

ABSTRACT:
A power boat hull has an inner running surface with a central running surface and an outer running surface that flanks the inner running surface. The outer running surface forms a channel with concave curvature which extends from the bow to the stern. An improved channel is shaped so that pressure builds in the channel during turning of the boat to lock the hull to water throughout the turn. A transom is provided with a deflector plate having a curved surface that is lifted out of the water during high speed running of the boat and operatively deflects water downward to force the bow of the boat into the water during low speed running of the boat. The transom dimensions are altered to accommodate varying length boats.

REFERENCES:
patent: 1559660 (1925-11-01), Ward
patent: 3117544 (1964-01-01), Schoell
patent: 3216389 (1965-11-01), Thorsen
patent: 3515087 (1970-06-01), Stuart
patent: 4233920 (1980-11-01), Wood et al.
patent: 4465009 (1984-08-01), Wood et al.
patent: 4584959 (1986-04-01), Allison
patent: 4672905 (1987-06-01), Pipkorn
patent: 4723928 (1988-02-01), Riley
patent: 4813365 (1989-03-01), Lindstrom et al.

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