This awesome piece of gearing has appeared on HowStuffWorks ahead of. You could recognize it from the electrical screwdriver article. An automatic transmission has two full planetary gearsets folded alongside one another into one particular component. See How Gear Ratios Get the job done for an introduction to planetary gearsets. https://dantempomi.worldblogged.com/40200986/rumored-buzz-on-gearbox-auto