The generating process of piston knock noise is thoroughly analyzed by the study of piston motion state and knock process with the engine at the ratedenginespeed.
进一步分析了发动机额定转速下，活塞的运动姿态和敲击过程，揭示出活塞敲击噪声的产生过程。
2
Thee A29 Clan was to be propelled by a Rolls-Royce Meteor engine, up-rated to 700 bhp, which would give the Clan a top speed of 30 mph (48.3 kph) and power to weight ratio of 13.82 hp/tons.