This kind of transmission fails to hold the exact same diameters and tooth numbers, trigger the gear to rotate at various speeds and that may lead to a gear clash. This is amongst the main explanations this gear is no longer made use of. It's an epicyclic gear arrangement. https://automobile-gearbox40505.blogaritma.com/32430261/the-single-best-strategy-to-use-for-automobile-gearbox