Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having airfoil
Patent
1979-01-11
1981-08-18
Basinger, Sherman D.
Ships
Hull or hull adjunct employing fluid dynamic forces to...
Having airfoil
244 91, 429973, B63B 132
Patent
active
042840279
ABSTRACT:
A boat having an airfoil, providing aerodynamic lift, attached to the aft portion of the boat stabilized with canted vertical stabilization fins, an airfoil, providing and having aerodynamic lift, attached to the forward portion of the boat. Specifically, a 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 airfoils can be independently adjusted. In addition, the aft pair of stacked airfoils as an assembly can be raised, lowered, and adjusted with respect to its angle of attack. Vertical stabilization fins are provided for the ends of the aft airfoils and the ends of the forward airfoils. The aft stabilization fins are canted to provide lateral stability and to concentrate forces acting on the boat to the middle of the boat. All of the airfoils are removably attached to the boat so that the boat can be readily configured with or without them.
REFERENCES:
patent: 1015568 (1912-01-01), Langille
patent: 1041489 (1912-10-01), Lake
patent: 1776316 (1930-09-01), Horeth
patent: 1846336 (1932-02-01), Icre
patent: 1853125 (1932-04-01), Hitt
patent: 1889927 (1932-12-01), MacCallum
patent: 3135482 (1964-06-01), Girard
patent: 3390655 (1968-07-01), Quady et al.
patent: 3648640 (1972-03-01), Granger
patent: 3768420 (1973-10-01), Greer
patent: 4050397 (1977-09-01), Vanderleest
patent: 4082341 (1978-04-01), Gore
patent: 4135687 (1979-01-01), Jones, Jr.
patent: 4190219 (1980-02-01), Hackett
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