S (stall point): in this position the turbine pace is zero as well as the impeller is rotating; the efficiency inside the stall stage is least, all around 50%, which implies that 50 % of the power coming in the motor is shed through friction and dissipated as warmth; at https://collinxdfeg.gynoblog.com/33408915/the-greatest-guide-to-torque-converter-clutch