Multihull vessels

Details Multihull vessels Multihull vessels

1987-12-11

1989-11-07

Peters, Jr., Joseph F.

Ships

Displacement-type hull

Multiple hulls

114 391, 114123, B63B 4314

Patent

active

048784478

ABSTRACT:
A multi-hull vessel has a center section and a plurality of float arm assemblies disposed on opposite sides of the center section. The float arm assemblies are pivoted so as to be movable upwardly or downwardly. Each float arm assembly comprises upper and lower arm arrangements, each including inner and outer segments joined by a pivot. The outer segment of the lower arm arrangement includes a float. To raise the arms assembly, a rigging line is provided which extends from the center section to the outer segment of lower arm arrangement and is disposed above the intermediate pivot of the lower arm arrangement and below the intermediate pivot of the upper arm arrangement. The rigging line is oriented to produce a lifting force on the lower arm arrangement having a larger component in horizontal direction than in the vertical direction.

REFERENCES:
patent: 4159006 (1979-06-01), Thurston
patent: 4474128 (1984-10-01), Wallach

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