This awesome bit of gearing has appeared on HowStuffWorks in advance of. It's possible you'll figure out it from the electrical screwdriver short article. An automatic transmission has two entire planetary gearsets folded with each other into a single ingredient. See How Equipment Ratios Function for an introduction to planetary https://shaneisxza.izrablog.com/34648010/how-gearbox-auto-can-save-you-time-stress-and-money