发明名称 |
Model helicopter device |
摘要 |
A model helicopter device wherein a countertorque generated in the helicopter body by changes in the revolution of a main rotor is canceled by substantially detecting the acceleration of the revolution of the main rotor and automatically adjusting the pitch of tail rotor blades in accordance with the detected acceleration.
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申请公布号 |
US4272041(A) |
申请公布日期 |
1981.06.09 |
申请号 |
US19780938965 |
申请日期 |
1978.09.01 |
申请人 |
MABUCHI MOTOR CO., LTD. |
发明人 |
MABUCHI, KENICHI;KATSUNUMA, TATSUO |
分类号 |
A63H27/133;B64C27/82;(IPC1-7):B64C27/82 |
主分类号 |
A63H27/133 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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