A hydraulic automatic transmission employs planetary gearsets in lieu of the handbook transmission's design of gears lined up alongside input, output and intermediate shafts. Nevertheless the design has actually been refined over the years—most not long ago via the addition of Digital controls—the original engineering principle of your 1930s https://gearbox-auto10874.designertoblog.com/63734012/the-basic-principles-of-gearbox-kereta-auto