Patent ID: 6213042
Filing Date: 2001-04-10
Classification: B63B,B63H

Abstract:
A small waterplane area multihull vessel comprising:an upper hull platform located above the design water line of the vessel;at least one engine capable of producing work, said engine being situated on said upper hull platform;at least two supporting struts, each of said supporting struts having a hollowed section;at least two submerged hulls, each of said submerged hulls being fixedly joined to said upper hull platform by a respective one of said supporting struts, each of said submerged hulls comprising a cylindrical body having an inner surface defining a cylindrical space, an outer surface, a fore end and an aft end and each of said submerged hulls containing a buoyant core material disposed between said inner surface and said outer surface;a rotary propulsive means, said rotary propulsive means being housed within said cylindrical space of said submerged hulls; anda work translating means, said work translating means joining said engine to said rotary propulsive means; whereby said work output of said engine is translated by said work translating means into rotary movement of said rotary propulsive means.