Contrary to manual gearboxes that have to have handbook shifting and automatic gearboxes that choose gears based on a variety of inputs, epicyclic gearboxes rely on the engagement and disengagement of gears inside the planetary process to achieve various gear ratios. Automatic gearboxes lend themselves wonderfully to larger sized sedans https://automobile-gearbox08405.theisblog.com/34364187/not-known-facts-about-automobile-gearbox