Apparatus for control of pivoting wing-type sail

• Main Authors: OTT MARK T, HUBBARD DAVID W
• Format: Patent
• Language: English
• Published: 09.07.2009
• Subjects: EQUIPMENT FOR SHIPPING; MARINE PROPULSION OR STEERING; PERFORMING OPERATIONS; RELATED EQUIPMENT; SHIPS OR OTHER WATERBORNE VESSELS; TRANSPORTING

A steerable wing-type sail system for a wind powered craft. The system includes first and second secondary airfoils and that are spaced outwardly to the sides of the plane of the main wing, and that are positioned rearwardly of the trailing edge of the wing. The secondary airfoils are selectively pi...