Every ratio corresponds to a different pace and cargo mixture. If the transmission demands to alter gears, it does so by picking out the appropriate equipment ratio.  Compound Planetary Gearset This automatic transmission utilizes a set of gears, termed a compound planetary gearset, that looks like an individual planetary gearset https://codygjllk.blogchaat.com/32563365/the-definitive-guide-to-gearbox-auto