This astounding bit of gearing has appeared on HowStuffWorks before. You could acknowledge it from the electrical screwdriver write-up. An automatic transmission includes two total planetary gearsets folded together into a single part. See How Gear Ratios Work for an introduction to planetary gearsets. The friction bands are often utilized https://dantesxyyv.thenerdsblog.com/39937131/5-simple-statements-about-gearbox-auto-explained