A rotary wing with a curved outer surface, inlet openings and an edge foil for use in helicopters to improve lift and efficiency, maximizing the gross weight lift and the horizontal flight speed capabilities and minimizing performance penalties and unstable, inefficient operation.
Heavy-Lift High Speed Rotary Wing
2017-05-04
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |