This awesome piece of gearing has appeared on HowStuffWorks in advance of. You could acknowledge it from the electric screwdriver post. An automatic transmission has two complete planetary gearsets folded alongside one another into one particular component. See How Gear Ratios Do the job for an introduction to planetary gearsets. https://lukasxeihh.blog4youth.com/34778919/new-step-by-step-map-for-gearbox-auto