It had been 1st released in 1939 for cars. It is made of the fluid coupling and 3 planetary gears. They collectively make three ahead and one particular reverse speed. There's no clutch for engagement and disengagement in the motor. I’m Studying Mech and greatly enjoy your info. I https://kameronuivkj.izrablog.com/34300324/little-known-facts-about-gearbox