The very first automotive software on the lock-up theory was Packard's Ultramatic transmission, introduced in 1949, which locked up the converter at cruising speeds, unlocking if the throttle was floored for quick acceleration or as being the car slowed. Torque converter equations of movement are governed by Leonhard Euler's eighteenth https://torque-converter-clutch55307.theideasblog.com/34467887/the-definitive-guide-to-torque-converter-clutch