Patent ID: 6990918
Filing Date: 2006-01-31
Classification: B63B,Y02T

Abstract:
1. A retractable-airfoil vessel comprising: surface-effect wings attached extendedly to sides of a vessel having structure and motorized power for desired marine use; the surface-effect wings each including a bottom surface adapted for riding on air flowing intermediate the bottom surfaces of the surface-effect wings and a surface of water in which the vessel is buoyant and the vessel is traveling forwardly at a speed for causing the air to flow intermediate the bottom surface of the surface-effect wings and the water for achieving surface-effect lift with the surface-effect wings; the sidewall hinges include adjustable edge attachments with which the surface-effect wings are adjustable upwardly and downwardly in a horizontally extended orientation for being positioned selectively upward and downward for adjustment of distance intermediate bottom surfaces of the surface-effect wings and a surface of water.