This astounding piece of gearing has appeared on HowStuffWorks right before. You may recognize it from the electrical screwdriver write-up. An automatic transmission consists of two comprehensive planetary gearsets folded alongside one another into 1 element. See How Gear Ratios Get the job done for an introduction to planetary gearsets. https://dallassxxvt.blogdun.com/34813204/rumored-buzz-on-gearbox-auto