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.
One of the first helicopter tests at Soesterberg in 1925. Shows rotating blades of helicopter and trying to make a lift but it tilts on its side and collapses. Men running towards the collapsed helicopter and inspecting.
Shows men assisting helicopter to rise. Helicopter rises to a short distance and descends. The action is repeated and finally the helicopter tilts on its side and is held by men.