This amazing piece of gearing has appeared on HowStuffWorks right before. It's possible you'll realize it from the electric screwdriver short article. An automatic transmission is made up of two complete planetary gearsets folded jointly into one particular element. See How Equipment Ratios Get the job done for an introduction https://gearboxauto77417.activoblog.com/37205433/5-essential-elements-for-gearbox-auto