Contrary to guide gearboxes that have to have handbook shifting and automatic gearboxes that find gears dependant on many inputs, epicyclic gearboxes depend upon the engagement and disengagement of gears within the planetary method to accomplish unique gear ratios. Inside a gearbox, the key shaft would be the output shaft. https://automobilegearbox52851.blogolize.com/automobile-gearbox-secrets-73177006