Ship or boat construction having three hulls

Details Ship or boat construction having three hulls Ship or boat construction having three hulls

1992-05-18

1993-05-18

Peters, Jr., Joseph F.

Ships

Displacement-type hull

Multiple hulls

114288, 114290, 114291, B63B 120

Patent

active

052111261

ABSTRACT:
A catamaran design has a third hull positioned between the conventional hulls. The third hull has a length equal to about two-thirds of the length of the conventional hulls, and a recess is formed in the underside of the deck aft of the third hull. The recess has a depth sufficient to accommodate the rooster tail created by the third hull. The third hull enhances the buoyancy of the craft and prevents formation of waves under the leading end of the deck. The recess prevents the rooster tail from impinging against the underside of the deck. The third hull produces a concave wake and it is submerged to a similar extent as the twin hulls when the watercraft is at rest floating in a body of water. In combination, the third hull and recess provide a catamaran that can handle heavy seas, with control and safety, that is not subject to the pounding of waves on the underside of its deck, and which performs in all other respects like a conventional catamaran.

REFERENCES:
patent: 3296992 (1967-01-01), Lackenby
patent: 3885514 (1972-05-01), Lauenborg
patent: 4655157 (1987-04-01), Sapp
patent: 4924797 (1990-05-01), Solia

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