The friction bands in many cases are utilized for manually selected gears (like reduced array or reverse) and run within the planetary drum's circumference. Bands will not be used once the drive/overdrive vary is chosen, the torque staying transmitted through the sprag clutches rather. The Gearbox presents the relative motion https://gearbox-auto79909.blogsidea.com/40194062/a-simple-key-for-gearbox-auto-unveiled