The friction bands are often used for manually picked gears (like lower selection or reverse) and function within the planetary drum's circumference. Bands are not utilized once the drive/overdrive vary is selected, the torque becoming transmitted by the sprag clutches in its place. The earliest form of automatic gearbox will https://gearbox-auto69012.blogs100.com/34273777/new-step-by-step-map-for-gearbox-auto