This wonderful piece of gearing has appeared on HowStuffWorks prior to. You might understand it from the electrical screwdriver report. An automatic transmission includes two full planetary gearsets folded together into a person part. See How Gear Ratios Function for an introduction to planetary gearsets. Based on the vehicle, gearboxes https://cristianbikkj.ourcodeblog.com/34322973/the-smart-trick-of-gearbox-auto-that-nobody-is-discussing