A propulsion system for a vertical take-off and landing vehicle, VTOL, and configured for attachment to such a vehicle and comprising: at least one ductless rotor 5, 4, including a plurality of rotor blades attached to a driven shaft wherein in use the outer tips of the blades trace a circular path in a given rotor plane; and an airfoil 1 directly adjacent to the rotor and configured to provide lift when air is drawn across its surface by rotation of the rotor, the airfoil defining a leading edge and a trailing edge both of which, when the system is attached to a vehicle, extend behind a frontmost point of said circular path in a forward moving direction of the vehicle.


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    Titel :

    Airfoils and evtols with airfoils


    Erscheinungsdatum :

    12.04.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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