AN AIRCRAFT, IN PARTICULAR A PERSONAL AIR MOBILITY AIRCRAFT OR DRONE, AN ANNULAR PROPELLER UNIT, AND A BOAT COMPRISING THIS UNIT
An aircraft, in particular a personal air mobility aircraft or a drone, comprising one or more annular propellers (2), with one or more blades (3) extending radially from a rotor ring body (2A) towards the axis (4) of the rotor ring (2A), and one or more belt transmissions (5), which connect the rot...
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