New Chinese Coaxial Heli-UAV On Show

Yotaisc, a high-tech company from Beijing, China, is exhibiting a new rotary-winged UAV on its booth (C99). The X200 employs coaxial, contrarotating rotors to reduce the footprint of its main rotor. This has the added benefit that rotor torque is eliminated, thereby negating the need for a long tailboom and tail rotor.

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