The middle of attention will be the planetary gearset. With regard to the dimensions of a cantaloupe, this 1 part makes all of the different gear ratios the transmission can make. Everything else inside the transmission is there to help the planetary gearset do its point. The gear lever on https://gearbox-auto43075.onesmablog.com/the-smart-trick-of-gearbox-auto-that-no-one-is-discussing-74398810