|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||114/282 ; 114/280 ; 114/284|
|발명자 / 주소|
|인용정보||피인용 횟수 : 8 인용 특허 : 0|
The invention is a displacement boat hull having the outboard surfaces of its wetted portion designed with a deep-V shape, and having at least one pair of retractable hydrofoil fins positioned in respective pockets along those outboard surfaces at a predetermined distance above the keel. When extended, the fins are positioned at fixed angles relative to the hull, and at least one pair of fins is positioned in proximity to the stern. In a preferred embodiment, a conventional deep-V semi-displacement hull is modified to increase the conventional maximum dr...
A boat hull design with a maximum draft measured from the bottom of the keel to the chine, said hull design comprising: a wetted portion with outboard surfaces extending above the keel having a deep-V shape with a deadrise of at least 24°from the top of the keel upward toward the chine; at least one pair of retractable wing-like fins positioned in respective pockets along said outboard surfaces of said wetted portion, said fins being extendable, respectively, in cantilever fashion without external support from opposite sides of the hull at a predetermine...