S (stall place): During this point the turbine speed is zero and also the impeller is rotating; the effectiveness inside the stall level is minimum, about 50%, which means that fifty percent of the facility coming within the motor is shed by way of friction and dissipated as warmth; at https://torque-converter-clutch08528.tblogz.com/not-known-factual-statements-about-torque-converter-clutch-47769363