Semi-automatic Transmission

A semi-automatic transmission (also known as automated transmission, self-changing transmission, clutchless manual transmission, automated manual transmission, flappy-paddle gearbox, or paddle-shift gearbox) is an automobile transmission that does not change gears automatically, but rather facilitates manual gear changes by dispensing with the need to press a clutch pedal at the same time as changing gears. It uses electronic sensors, pneumatics, processors and actuators to execute gear shifts on the command of the driver or by a computer. This removes the need for a clutch pedal which the driver otherwise needs to depress before making a gear change, since the clutch itself is actuated by electronic equipment which can synchronise the timing and torque required to make quick, smooth gear shifts. The system was designed by automobile manufacturers to provide a better driving experience through fast overtaking maneuvers on highways.

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Semi-automatic Transmission - Types
... Dual clutch transmission Electrohydraulic manual transmission (e.g ... gearbox, SMG) Saxomat Multimode manual transmission ...
Renault 8 - Semi-automatic Transmission
... For 1963 (initially only in France), Renault offered a semi-automatic transmission of unique design, developed and produced by Jaeger ... Although it was described as a form automatic transmission at the time, in retrospect it was more realistically a form of automatic clutch, inspired by the German Saxomat device which appeared as an option ... the system was replaced by a powder ferromagnetic coupler, while the transmission itself was a three-speed mechanical unit similar to that of the Dauphine—but from the beginning, in this form ...