Ships – Displacement-type hull
Patent
1975-09-08
1976-12-14
Blix, Trygve M.
Ships
Displacement-type hull
114 61, 114 665S, B63B 106
Patent
active
039968693
ABSTRACT:
This invention is a boat hull designed for stable operation as a planing-type hull in rough water conditions. The hull is comprised of a substantially V shape central hull portion and a pair of adjacent side floats, one on each side of the central hull. The inner walls of the side floats are substantially vertical, and the floats are stepped upwardly at approximately midships, such that the rear portion of the side floats is substantially horizontal, or parallel to the plane of the water surface. The side floats extend deeper into the water than does the keel of the central hull. The dihedral tunnel is formed by the concavely curved surfaces of the central hull in combination with the inner walls of the side floats. At the point at which the central hull is deepest, the side floats extend somewhat deeper into the water, the amount of this differential being dependent upon the length of the hull.
REFERENCES:
patent: 3067711 (1962-12-01), Hesher et al.
patent: 3160134 (1964-12-01), Hillman et al.
patent: 3796177 (1974-03-01), Szptman
patent: 3800725 (1974-04-01), L'Heureux
patent: 3807337 (1974-04-01), English et al.
"Hot New Hulls" , Travler Boat Brochure, 1964.
Blix Trygve M.
Goldstein Stuart M.
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