Normal Motors’ Hydra-Matic, launched in 1940, was amid the very first, making use of a hydraulic fluid coupling and planetary gearsets. This innovation created driving extra available by eradicating the necessity for handbook gear variations. The bands are tightened round the ring gear to stop it turning, and the clutches https://manuelqsqpm.boyblogguide.com/32692382/gearbox-auto-fundamentals-explained