It absolutely was common within the early twentieth century for its simplicity of use when compared with totally guide gearboxes of that time.  Compound Planetary Gearset This automatic transmission uses a set of gears, identified as a compound planetary gearset, that looks like one planetary gearset but really behaves like https://gearboxauto57901.iyublog.com/32941798/helping-the-others-realize-the-advantages-of-gearbox-auto