China's latest-concept unmanned helicopter, JY-8, made its debut on Thursday at the Second China Helicopter Exposition in the northern city of Tianjin.
The helicopter, which does not feature a tail rotor, can reach a maximum speed of 400 km per hour. It is expected to be subjected to trials in 2015, said Zhu Yinchui, an engineer with the China Helicopter Research and Development Institute.
The coaxial double-oared JY-8 adopts similar high-speed technologies as the X2, an experimental helicopter developed by U.S. aircraft manufacturer Sikorsky Aircraft.
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