Dornier Do P-410 Helicopter

Im not sure if this is related to the P-410, but its from the same time-frame and concerns a Dornier compound helicopter design. Found in Dornier Post 69/3: Integriertes Heckrotorsystem eines Schnellhubschraubers (Integrated tail rotor system of a fast helicopter)
Its a pusher prop that can tilt 35° to the side to also act as a torque compensator. In fast forward flight the torque compensation is done by the side rudders (i assume on the wings?). The system is designed for a helicopter with 660 horsepower, a takeoff weight of 1700 kp (~1700 kg) and a max forward speed of 300 km/h. It was tested on a dynamic rig with a fixed middle and without a main rotor, with the torque being simulated with a rope.
 

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