It was preferred within the early 20th century for its ease of use as compared to totally handbook gearboxes of that point.  The output within the engine is sent to the gearbox using a clutch shaft. This shaft lets to have interaction and disengage the motor output. Synchromesh gears are https://automobile-gearbox74959.blog4youth.com/34778422/automobile-gearbox-things-to-know-before-you-buy