These used synchronizers to match gear speeds, enabling for smoother shifts and less difficult driving. The mid-twentieth century noticed the introduction of automatic transmissions.  Automated gearboxes clear away the need for just a clutch pedal, which disconnects the engine with the transmission so as to change equipment. Manual gearboxes are https://automobile-gearbox08417.losblogos.com/33254941/automobile-gearbox-an-overview