The main automotive software of your lock-up principle was Packard's Ultramatic transmission, introduced in 1949, which locked up the converter at cruising speeds, unlocking when the throttle was floored for quick acceleration or since the car slowed. Torque converter equations of movement are ruled by Leonhard Euler's eighteenth century turbomachine https://torqueconverterclutch19630.ambien-blog.com/40425884/facts-about-torque-converter-clutch-revealed