| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary balance weight adjusting apparatus of a helicopter capable of simplifying the operation so as to reduce the balance adjusting operation cost. SOLUTION: Three motors 10 are equally fitted to the periphery of the center 90 of a rotating shaft 81 to which a blade 81a of a ducted fan tail rotor of the helicopter is fitted, a shaft 11 is connected to the motor 10, the shaft 11 is screw-cut, a weight 12 is penetrated through the shaft, and the shaft is engaged with the weight 12 to be rotated. The motor 10 is provided with an antenna, a signal is sent by a control device operated from the outside by a person, and the signal is received by the antenna to rotate the motor 10. The rotation of the motor 10 is converted to the rotation of the shaft, so that the weight 12 is moved in the radial direction to adjust the position. Thus, balance is adjusted without removing a cover during the operation of an engine.
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