直升机的“自动上仰”

Automatic Elevation of Helicopter

阐述直升机"自动上仰"的现象和危害,结合直升机旋翼挥舞规律,分析"自动上仰"产生的主要原因,提出2种处置方法,并就预防直升机"自动上仰"提出几点措施.

This article expatiates the phenomena and the harms of the automatic elevation of the helicopter,analyzes the main cause of it＇s appearing according the rule of the blade flapping of the helicopter,proposes two methods of disposing,and gives several advices to defending the automatic elevation of the helicopter.