This amazing bit of gearing has appeared on HowStuffWorks right before. You may recognize it from the electric screwdriver post. An automatic transmission includes two comprehensive planetary gearsets folded collectively into just one part. See How Gear Ratios Work for an introduction to planetary gearsets. So, with handbook gearboxes far https://gearbox-auto19528.fare-blog.com/34295412/gearbox-auto-for-dummies