Unmanned Helicopters

TD220 Coaxial Dual-rotor Unmanned Helicopter

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       TD220 Unmanned Helicopter are Chinese UAVs developed by Zhong Hang - Zhi (ZHZ) Science and Technology Ltd. (ZHZ, catic Beijing Science and Technology co., Ltd.), A total of two ZHZ UAVs have had developed and both are unmanned helicopters.
        TD220 Unmanned Helicopter is a coaxial unmanned helicopter developed by ZHZ. The indigenously developed coaxial rotors has only half as many components as that of Kamov coaxial rotors, thanks to the replacement of many mechanical parts with electrical components. TD220 only needs a space of 5 m x 5 m to take-off or land.
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