The results for two equations were analyzed and compared, which showed that the gyro effect of the crankshaft system could be ignored for low rotating-speed engine and it should be considered for higher rotating-speed engine.

• 结果表明，对于低转速发动机，曲轴转动的陀螺效应不明显，而对于高转速的发动机，陀螺效应不能忽略，应以考虑陀螺力矩的方程为基础进行设计分析。