The friction bands tend to be utilized for manually picked gears (for instance lower vary or reverse) and function within the planetary drum's circumference. Bands are not utilized if the generate/overdrive vary is chosen, the torque staying transmitted via the sprag clutches instead. Compound Planetary Gearset This automatic transmission uses https://gearboxauto10863.blogspothub.com/32918114/detailed-notes-on-gearbox-auto