S (stall stage): Within this position the turbine velocity is zero along with the impeller is rotating; the efficiency during the stall level is minimum, all-around 50%, which means that 50 percent of the facility coming through the motor is dropped by friction and dissipated as warmth; at this time https://torque-converter-clutch21728.blogspothub.com/33344944/torque-converter-clutch-an-overview