The friction bands are sometimes used for manually picked gears (such as low selection or reverse) and function around the planetary drum's circumference. Bands are usually not utilized in the event the travel/overdrive vary is chosen, the torque getting transmitted because of the sprag clutches as a substitute. Inner-combustion engines https://gearboxauto97419.mdkblog.com/39622201/gearbox-auto-fundamentals-explained