作者: Douglas Melville , Dexter Chih-Teh Liu
DOI:
关键词:
摘要: A toy vehicle has a drive wheel and flywheel that are coupled together by slip clutch which includes flexible pawl extended from the to surface of so may be grasped brought an immediate stop without injury. The cooperates with energizer-launcher is spring catapulted therefrom upon release thereof. pistol grip handle trigger for one-handed aiming launching pull cord accelerating while launcher being held handle. tachometer provided on energizer-launcher. further have spark generator activated rotation after launched.