12 Facts About Manual transmission

Manual transmission, known as manual gearbox, standard transmission, or stick shift, is a multi-speed motor vehicle transmission system, where gear changes require the driver to manually select the gears by operating a gear stick and clutch.

Manual transmission requires the driver to operate the gear stick and clutch in order to change gears.

An automatic transmission that allows the driver to control the gear selection is called a manumatic transmission, and is not considered a manual transmission.

Some automatic transmissions are based on the mechanical build and internal design of a manual transmission but have added components which automatically control the timing and speed of the gear shifts and clutch; this design is typically called an automated manual transmission.

Manual transmission has several shafts with various gears and other components attached to them.

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For example, a five-speed Manual transmission might have the first-to-second selectors on the countershaft, but the third-to-fourth selector and the fifth selector on the main shaft.

The synchromesh Manual transmission was invented in 1919 by Earl Avery Thompson and first used on production cars by Cadillac in 1928.

Need for synchromesh in a constant-mesh Manual transmission is that the dog clutches require the input shaft speed to match that of the gear being selected; otherwise, the dog teeth will fail to engage and a loud grinding sound will be heard as they clatter together.

The traditional method of hill starts in a manual transmission car is to use the parking brake to hold the vehicle stationary.

The 9-speed Manual transmission is like a 13-speed without the under-overdrive thumb lever.

The second Manual transmission is often called a "Brownie" or "Brownie box" after a popular brand.

Sometimes a secondary Manual transmission is integrated with the differential in the rear axle, called a "two-speed rear end".