Multihull vessels, including catamarans, with wave piercing hull

Details Multihull vessels, including catamarans, with wave piercing hull Multihull vessels, including catamarans, with wave piercing hull

1992-09-17

1993-03-09

Basinger, Sherman

Ships

Displacement-type hull

114 61, B63D 106, B63D 108, B63D 112

Patent

active

051918480

ABSTRACT:
A catamaran vessel with a pair of spaced apart, parallel hulls which are made of sealed watertight configuration of composite marine material and interconnected by a deck and cabin structure with depending stilts joined to the hulls. The hulls have a wave piercing configuration in which the length to beam or fineness ratio of each hull is approximately 16.3:1 with a prow that is essentially knife-edged and vertical, the vertical section contours of the forward portion of the hull are elliptical and gradually transition to an essentially rectangular contour along the rear portion. The underside of the deck between the stilts has a convex undersurface which constitutes a planing hull structure above the top of the pair of hulls and between the stilts. The depicted vessel is power driven by motor-driven propellers at the stern of each hull. The specific hull configuration is a wave-piercing hull which can be combined in multihull ocean going vessels, such as proas (single main hull), catamarans (two hulls) and trimarans (three hulls).

REFERENCES:
patent: D305637 (1990-01-01), Emmer
patent: D321854 (1991-11-01), Foley et al.
patent: 1133342 (1915-03-01), Ursinus
patent: 3090974 (1963-05-01), Wozniak
patent: 3541987 (1970-11-01), Barkley
patent: 3656445 (1972-04-01), Padwick
patent: 3665885 (1972-05-01), Javes
patent: 4079688 (1978-03-01), Diry
patent: 4811676 (1989-03-01), Franke
NKK Brochure on V-CAT (Publication date unknown) (Received from Japan on approximately Sep. 1, 1992).
"Ship & Boat International" Magazine-Mar. 1992, p. 23.
Article by Lindsay Lord, N. A. "The Tulleners Wave-Piercing Craft"-1976-Motor Boats, pp. 66-69.
Article-"The Shape of Things to Come" Sep. 1990-Marine Log, p. 22.

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