The first automotive application with the lock-up basic principle was Packard's Ultramatic transmission, released in 1949, which locked up the converter at cruising speeds, unlocking if the throttle was floored for rapid acceleration or because the car slowed. At the conventional angle of attack, the stator caused the converter to https://torqueconverterclutch19630.vblogetin.com/39694473/details-fiction-and-torque-converter-clutch