This incredible bit of gearing has appeared on HowStuffWorks just before. It's possible you'll figure out it from the electric screwdriver post. An automatic transmission includes two full planetary gearsets folded collectively into 1 part. See How Equipment Ratios Perform for an introduction to planetary gearsets. S commonly means Sport https://kameronzkoqq.theisblog.com/34363718/top-guidelines-of-gearbox-auto