某型活塞发动机空中马力下降故障分析

Analysis of Horsepower Drop Fault in Air of A Piston Engine

飞机在使用过程中,由于大气状态变化、发动机内部机件磨损、发动机部附件故障等原因引起发动机功率下降,导致发动机工作不正常、拉力下降等问题,甚至造成发动机自动停车,严重影响飞行安全。当发现此类故障苗头时,必须严肃认真对待,系统分析故障原因,彻底排除隐患问题。

During the use of the aircraft,the engine power is reduced due to the change of atmospheric state,wear of internal parts of the engine,and fault of accessories of the engine department.It causes problems such as abnormal operation of the engine,drop of tension and even automatic stop of the engine,which seriously affects flight safety.When such failures are systematically to completely eliminate hidden troubles.