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High performance amphibious aircraft

  • US 5,415,365 A
  • Filed: 11/08/1993
  • Issued: 05/16/1995
  • Est. Priority Date: 11/08/1993
  • Status: Expired due to Fees
First Claim
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1. An amphibious aircraft having a weight to volume ratio creating an overall density less than water, comprising in combination:

  • an airfoil platform having a longitudinally tapered thickness from a forward portion thereof to a rear portion thereof such that lift is provided by said airfoil platform, a fuselage integrally formed with said airfoil platform and defining a continuous surface therewith., defining a cabin extending upwardly from and located along the longitudinal centerline of the platform, a pair of opposed sponsons affixed to the underside of said platform and extending over substantially the entire length of said platform to define a diminishing volume tunnel with said platform, said sponsons being partially defined by opposing substantially vertical stepped surfaces, a bottom hydrodynamic lift surface and an intermediate hydrodynamic lift surface each being substantially perpendicular to adjacent vertical stepped surfaces, and each sponson of said pair having a faceted outer surface, a pair of wings extending laterally from said platform and forming a substantially continuous upper surface therewith, means for providing propulsion to said aircraft and means for controlling the motion of said aircraft.

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