| 摘要 |
A dual power helicopter without a tail rotor. The dual power helicopter of present invention primarily uses two power devices which can be rotated in opposite directions to control the flight of the helicopter. The two power devices are rotated in the opposite directions by steering gears from a same engine, such that the engine power can be completely transmitted to the two power devices, enabling the engine power to be completely developed, thereby improving performance of the helicopter.
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