This awesome bit of gearing has appeared on HowStuffWorks in advance of. You may recognize it from the electrical screwdriver short article. An automatic transmission contains two finish planetary gearsets folded jointly into one element. See How Equipment Ratios Do the job for an introduction to planetary gearsets. Also they https://gearboxauto65184.blogoscience.com/40423049/the-fact-about-gearbox-auto-that-no-one-is-suggesting