S (stall issue): On this position the turbine velocity is zero and also the impeller is rotating; the performance within the stall level is minimum amount, around 50%, which suggests that 50 percent of the power coming within the motor is lost by friction and dissipated as warmth; at this https://torqueconverterclutch53950.fitnell.com/75039257/the-basic-principles-of-torque-converter-clutch