Ships – Hull or hull adjunct employing fluid dynamic forces to... – Stepped hull
Patent
1978-02-17
1980-11-04
Blix, Trygve M.
Ships
Hull or hull adjunct employing fluid dynamic forces to...
Stepped hull
114289, 114 56, B63B 100
Patent
active
042313147
ABSTRACT:
A hydroplane boat having a hull with two V-shaped sections separated by a step in the hull surface and continuous chines from stem to stern. The void created by the step is preferably provided with air by vents located between the chines, the vents having intakes internal to the boat structure. The hull includes concave portions just aft of the step separated by a pronounced keelson and tapering into a V-shape at the transom, such that the hull portion aft of the step describes a generally hook shaped surface.
REFERENCES:
patent: 1765789 (1930-06-01), Ditchburn
patent: 2244357 (1941-06-01), Driggs
patent: 2634698 (1953-04-01), Becker
patent: 3203389 (1965-08-01), Cale
patent: 3316874 (1967-05-01), Canazzi
patent: 3547064 (1970-12-01), Glass
Blix Trygve M.
Keen D. W.
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