The first automotive software on the lock-up theory was Packard's Ultramatic transmission, released in 1949, which locked up the converter at cruising speeds, unlocking in the event the throttle was floored for speedy acceleration or since the vehicle slowed. Torque converter equations of movement are governed by Leonhard Euler's eighteenth https://torqueconverterclutch97429.ampedpages.com/torque-converter-clutch-an-overview-60952934