One of the first helicopter tests at Soesterberg in 1925 in which flapping motion of rotor blades is achieved.
Soesterberg Netherlands Date:1941 Duration:5 min 1 sec Sound:NO SOUND
One of the first helicopter tests at Soesterberg in 1925. Shows men assisting the helicopter for the first flight. The helicopter fuselage consists of a tubular truss, with an engine mounted on one end. Rotor-blades can be seen rotating in order to make a lift. The main rotor had two blades, which are restrained by cables so that the blades flap about a hinge. It is shown how flapping motion of blades is achieved and the view by a camera is also attached to rotor axis, showing the motion of blades.
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