Self-righting multihull boat

Details Self-righting multihull boat Self-righting multihull boat

1981-11-17

1984-04-10

Blix, Trygve M.

Ships

Watercraft with means used in providing sailpower

Having specifically defined hull shape

114 61, 114123, 114125, B63B 3536

Patent

active

044414455

ABSTRACT:
The trimaran has a lateral hull which is fixed at the end of a beam rotatably mounted on a longitudinal axis, which itself is supported by an outrigger protruding from the central hull. A jack allows the lateral hull to rotate around the axis (arrow). Openings are provided in the lateral hull, in order to fill and flush it. The catamaran can be righted from the capsized position by a rotation of the water-filled side hulls through about 90.degree., because the side hulls then act as ballasted keels. After emptying the lateral hulls and returning the beams to their normal position, navigation may be resumed.

REFERENCES:
patent: 1709219 (1929-04-01), Hille
patent: 3099912 (1963-08-01), Wolff
patent: 3137263 (1964-06-01), Sainte-Claire
patent: 3541987 (1970-11-01), Barkley
patent: 3981259 (1976-09-01), Harper
patent: 4159006 (1979-06-01), Thurston
patent: 4207828 (1980-06-01), Horowitz et al.
patent: 4223621 (1980-09-01), Berger
patent: 4297961 (1981-11-01), Johnson

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