New Shape for Setting Sail

can set balanced sail with single spar
sickle shape offers balanced rotation
utilizes swept-back, efficient, aerodynamic cross sections
can present self-rotating curvature along full length of mast in airflow
not a conventional wing rig so does not misbehave at anchor (can be turned off quickly and completely!)
stores well along gunwale of average boat
looks cool to art majors and bird lovers
U.S. patent # 8,739,720
Contact the inventor by e-mail at: [email protected]