This remarkable bit of gearing has appeared on HowStuffWorks in advance of. You may figure out it from the electric screwdriver post. An automatic transmission has two comprehensive planetary gearsets folded collectively into a single part. See How Equipment Ratios Do the job for an introduction to planetary gearsets. Beneath https://jaredtekml.spintheblog.com/34546277/the-fact-about-gearbox-auto-that-no-one-is-suggesting