So this one list of gears can produce all of these various equipment ratios without having to interact or disengage almost every other gears. A compound planetary gearset functions like two planetary gearsets combined. Find out about compound planetary gearsets and an automatic transmissions framework. In 1923, a patent was https://gearbox-auto87418.alltdesign.com/gearbox-auto-things-to-know-before-you-buy-53307748