S (stall stage): In this particular place the turbine velocity is zero and also the impeller is rotating; the efficiency inside the stall place is minimum, around 50%, meaning that fifty percent of the facility coming from your motor is missing as a result of friction and dissipated as warmth; https://titusotusq.activoblog.com/37399697/new-step-by-step-map-for-torque-converter-clutch