The utility model relates to a package rotor of a remote control model helicopter, which is used for assembling a micro remote control model helicopter.

一种遥控模型直升机的快装式旋翼，用于装配微型遥控模型直升 机。

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This paper described the primary analysis of a new model helicopter ground resonance in taking off and landing by employed classical spatial dynamic model.

对某新型直升机垂直起落状态“地面共振”初步分析，采用经典的空间动力模型进行计算。

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The comprehensive effects of the voice, light and the vibration of the whole helicopter body make the simulating shooting effect of the model helicopter be very realistic.

通过声音、灯光和整个机身的振动三个效果的综合作用，使得模型直升机的模拟射击效果非常逼真。

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Be sure your pilot has training in that specific model helicopter before you board.

FORBES: 10 Essential Checks Before You Step Into A Helicopter

The basic model of the helicopter can also be adapted for medical evacuation or a purely offensive combat role.

BBC: News | In Depth | Military Fact Files

And United Technologies, which makes Sikorsky helicopters, has flown a large model electric-helicopter powered by a hydrogen fuel cell.

ECONOMIST: Electric planes