To attain direct drive with no change of speed or course of rotation, the sun is locked into the ring equipment and The complete device turns as a single. Largely, the automatic gearbox works by using a roller clutch for program upshifts/downshifts. It operates the same as a ratchet. It https://remingtonvsidj.suomiblog.com/how-gearbox-auto-can-save-you-time-stress-and-money-49360137