This amazing piece of gearing has appeared on HowStuffWorks right before. You could understand it from the electrical screwdriver article. An automatic transmission includes two complete planetary gearsets folded collectively into one element. See How Gear Ratios Work for an introduction to planetary gearsets. The guide transmission is the traditional https://travisbfeca.iyublog.com/33286085/top-guidelines-of-gearbox-auto