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What is a Manual Transmission?

1 Answers

McIsabelle

07/29/25 11:17pm

Manual transmission (MT), also known as manual gearbox, requires the driver to manually shift gears by moving the gear lever to change the gear meshing device inside the transmission, thereby altering the gear ratio to achieve speed variation. A manual transmission typically has 6 gears: 5 forward gears (switched based on vehicle speed and engine RPM) and 1 reverse gear. There are 3 pedals underfoot: clutch, throttle, and brake. The manual transmission features simple structure and high reliability. Theoretically, manual transmissions offer better fuel efficiency than automatic transmissions. Working principle of manual transmission: The pump wheel and turbine form a working pair, which can be likened to two opposing fans. The airflow from one fan drives the rotation of the other fan's blades, with the airflow acting as the kinetic energy transfer medium. If liquid replaces air as the kinetic energy transfer medium, the pump wheel drives the turbine to rotate through the liquid. By adding a guide wheel between the pump wheel and turbine, the speed difference between them is achieved through reaction force, enabling speed and torque variation.

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