Reverse gear is normally marked 'R' within the selector. The ahead-drive clutch is disengaged and the main ring equipment freewheels. This awesome bit of gearing has appeared on HowStuffWorks prior to. It's possible you'll realize it from the electric screwdriver article. An automatic transmission includes two complete planetary gearsets folded https://riverjjhfb.losblogos.com/32925679/the-ultimate-guide-to-gearbox-auto