A wingsail comprising: a first aerofoil having a leading edge at a front of the wingsail and a trailing edge behind the leading edge; and second aerofoil having a leading edge and a trailing edge, the leading edge of the second aerofoil being closer than the trailing edge of the second aerofoil to a point of maximum cross-sectional width (105c) of the second aerofoil; wherein the wingsail is configured such that the leading edge of the second aerofoil can be positioned behind the trailing edge of the first aerofoil; wherein the first aerofoil comprises a powered boundary layer flow control device.
WINGSAIL AND METHOD
FLÜGELSEGEL UND VERFAHREN
VOILE EN FORME D'AILE ET PROCÉDÉ
2025-02-12
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |