The adoption of planetary gearsets was a significant advance towards the modern automatic transmission. One of several initially transmissions to employ this structure was the handbook transmission equipped to your 1901–1904 Wilson-Pilcher automobile.[eighteen] This transmission was in-built the United Kingdom and employed two epicyclic gears to supply four equipment ratios. https://gearboxauto64196.bloggosite.com/40530090/the-fact-about-gearbox-auto-that-no-one-is-suggesting