Colin HiltonFollow


‘Free’ wings deflected by a combination of free-stream airflow and servo-tab deflection date back to the 1940s, but may be applied with especial relevance in combination with tilt-wing forms of electrical vertical take-off and landing (eVTOL). An advantage of the means described is that forward impetus alone initiates a transition from a vertical-oriented airfoil to forward-oriented. Although this might use a separate power means, the device allows for a simple quadcopter to take off or land vertically as well as induce forward flight, purely by conventional quadcopter control.

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