Patent ID: 6216621
Filing Date: 2001-04-17
Classification: B63B,B63H

Abstract:
A wind-powered air-water interface craft, comprising:a catamaran having twin hulls fixed to a deck having a longitudinal centerline;a plurality of circularly arcuate tracks, each having port and starboard track segments, provided on said deck, centered in vertical registration with said longitudinal centerline, with spacing of respective centers from one another in a series along said longitudinal centerline;a respective plurality of pairs of correspondingly canted wing sails having respective port and starboard sails thereof respectively based on fittings constrained to move along said port and starboard track segments of respective ones of said tracks;means supportively interconnecting said canted wing sails of each pair relative to one another at at least one level on each, above said deck;said wing sails being mounted for variation in trim;the wing sails of each pair tapering in leading edge to trailing edge horizontal dimension with increasing distance above said deck.