A reefable soft wingsail with supports (2, figure 2) and sails (1) formed of two sheets of material which may be fastened together by a fastener means 5 with two configurations, a first where the supports form rigid aerofoil shaped sections, where the leading edges of the sheets are fastened together around them forming an aerofoil and kept in tension, and a second configuration where the sides of the support members form a straight line relative to the mast, and where the sails can be flaked down or rolled up without folding them double wherein in the transition between configurations, the sheets are unfastened from each other and there is a transition area between the two configurations
A wingsail
04.04.2018
Patent
Elektronische Ressource
Englisch
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |