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특허 상세정보

Winged ski boat

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B63B-001/32   
미국특허분류(USC) 114/273 ; 244/46 ; 244/48 ; 244/91
출원번호 US-0890746 (1978-03-27)
발명자 / 주소
인용정보 피인용 횟수 : 4  인용 특허 : 0

A water ski boat having separate air foils attached to the forward and aft portions of the boat arranged to exert more lift on the aft portion than on the forward portion of the boat. Specifically, a water ski boat is disclosed having an elongated air foil, pivotally attached to the forward portion of the boat and a stacked pair of elongated airfoils pivotally attached to the aft portion of the boat. The angle of attack of each of the three airfoils can be independently adjusted. In addition, the aft pair of stacked airfoils as an assembly can be raised,...


A water ski boat comprising: a hull having a passenger compartment between front and rear portions; power means having a water reactive means located aft of said passenger compartment for driving said boat forward; first aerodynamic lift means; means for removably securing said first aerodynamic lift means to the top of, and directly over, said hull at a region forward of said passenger compartment so that said lift means is spaced above and limited to said forward region; and second aerodynamic lift means spaced from and distinct from said first lift me...