This wonderful bit of gearing has appeared on HowStuffWorks right before. You could possibly identify it from the electrical screwdriver post. An automatic transmission is made up of two total planetary gearsets folded jointly into one part. See How Equipment Ratios Operate for an introduction to planetary gearsets. The friction https://gearbox-auto77529.idblogz.com/34637184/the-basic-principles-of-gearbox-auto