Patent ID: 6263819
Filing Date: 2001-07-24
Classification: B63B,B63G,B63H

Abstract:
A three dimensional low drag underwater hull body for operation in a submerged state, said hull having a fore and aft axis and an outer surface whose shape conforms a) in plan to a first parabolic curve centered on the fore and aft axis to define a leading edge for the hull when viewed in plan and b) in longitudinal cross-sectional planes parallel to the fore and aft axis, to symmetrical and graduated generally parabolic foil curves having vertices lying on the first parabolic curve and which extend aft predetermined distances, with the thickness of the parabolic foil shaped longitudinal cross-sectional planes decreasing from the fore and aft axis of the hull to the edge of the hull; said hull having a bow and a stern and a predetermined hull length extending from the bow to the stern, and said first parabolic curve increasing in width from said bow to said stern with said stern being substantially straight and transverse of the hull length and located at the widest portion of the first parabolic curve.