S (stall position): During this place the turbine velocity is zero plus the impeller is rotating; the efficiency during the stall issue is bare minimum, all-around fifty%, which means that 50 % of the power coming within the engine is misplaced via friction and dissipated as heat; at this point https://torque-converter-clutch41962.techionblog.com/34006041/everything-about-torque-converter-clutch