Description CROSS REFERENCE TO RELATED APPLICATIONS This application claims the priority of U.S. provisional application 60/386,569 filed Jun. 7, 2002. BACKGROUND AND SUMMARY OF THE INVENTION There have been proposals for wind turbine and autogiro boats for more than a century. Wind turbine boats typically use a horizontal or vertical axis wind turbine to drive a propeller, which in turn powers the boat, while autogiro boats use thrust forces on rotating vanes directly to power a boat. The…
