21. Early Harley Davidson racers removed the clutch return spring to ensure the clutch stayed in the engaged position throughout the race. 22. An engine using desmodromic valves has two cams and two actuators, each for positive opening and closing without a return spring . 23. In this usage, the motor works against a return spring to move the throttle in accordance with the output of the governor. 24. Because the front part of the slide is very short, such that it does not allow placing a return spring into it. 25. The bolt body unlocks and retracts the bolt head, extracts and ejects the cartridge, cocks the hammer, and compresses the return spring . 26. Blowback action ( no barrel grip with a bolt, locking the barrel reached the mass closure and force the return spring ). 27. The left pedal when depressed caused the whole keyboard and action to slide to the right against a return spring mounted inside the case. 28. The return of the seal into its rest position is usually achieved by a return spring that can be found in the pneumatic actuator. 29. Trevor Taylor had not been able to practice and was taking it comparatively easy when his throttle return spring broke, leaving it fully open. 30. It features a roller locked bolt mechanism that consists of the bolt head, a pair of rollers, the striker sleeve, bolt body and return spring .
