S (stall stage): in this issue the turbine speed is zero as well as the impeller is rotating; the effectiveness while in the stall position is least, all-around 50%, which implies that 50 % of the power coming in the motor is missing by way of friction and dissipated as https://torque-converter-clutch64185.losblogos.com/33103470/not-known-facts-about-torque-converter-clutch