S (stall position): in this place the turbine velocity is zero and the impeller is rotating; the efficiency in the stall level is least, all-around 50%, which implies that 50 percent of the facility coming in the motor is misplaced as a result of friction and dissipated as heat; at https://holdenajkig.imblogs.net/83908179/5-simple-techniques-for-torque-converter-clutch