초록 ▼

A boat has a main hull and a pair of outriggers which extend to distal, capsizing-resistance formations. The capsizing-resistance formations are shaped and arranged such that in contact with the water under forward velocity it provides a generally upward capsizing-resistance force through a given ce

A boat has a main hull and a pair of outriggers which extend to distal, capsizing-resistance formations. The capsizing-resistance formations are shaped and arranged such that in contact with the water under forward velocity it provides a generally upward capsizing-resistance force through a given center of action, which force is transmitted by the outrigger to the main hull as an applied capsizing-resistance moment. Given the foregoing, the outriggers position of the capsizing-resistance formations generally outboard and rearward such that said centers of the upward capsizing-resistance force lie spaced substantially outboard or behind a plane containing the stern of the main hull in order to stabilize the fore-to-aft pitching as well as side-to-side rolling of the main boat hull in accordance with boat speed and wave conditions. The capsizing-resistance formations can be either floats shaped and arranged to skim the water surface and provide an upward capsizing-resistance force which comprises a combination of buoyancy and planing forces, or else planes shaped and arranged to plane on the water surface and provide an upward capsizing-resistance force which comprises substantially planing forces, or alternatively asymmetric foils shaped and arranged to plane the water surface or fly if submerged and provide an upward capsizing-resistance force which is alternatively substantially a planing force or hydrodynamic lift.

대표청구항 ▼

[ I claim:] [1.] A boat having:a main hull having a bow and a stern and opposite side beams,stabilizing entities, wherein each stabilizing entity is sized such that it displaces a substantially small fractional amount of water relative to what the main hull displaces, and is shaped and arranged such

[ I claim:] [1.] A boat having:a main hull having a bow and a stern and opposite side beams,stabilizing entities, wherein each stabilizing entity is sized such that it displaces a substantially small fractional amount of water relative to what the main hull displaces, and is shaped and arranged such that in contact with the water under forward velocity it provides a generally upward stabilizing force through a given center of action which is transmitted by the outrigger to the main hull as an applied stabilizing moment,corresponding outriggers for the stabilizing entities, which outriggers are mounted to the main hull and extend from the main hull to distal portions formed with mounting formations, and,swivelling-mounting means for mounting each stabilizing entity to the corresponding outrigger by the mounting formations thereof in a substantially free swivelling arrangement about a generally vertical axis whereby each stabilizing, entity is afforded independence with respect to the main hull and the other stabilizing entity to change the local heading thereof to an angle that prospectively offers the least resistance.