This had a 3.1-litre, six-cylinder engine, now with removable cylinder head, mated to a four-speed conventional gearbox and four-wheel brakes.

This is a much simpler operation to do automatically than engaging and disengaging gears in a conventional gearbox.

Normally aspirated models were also offered with a conventional three-speed automatic gearbox.

With driver aids such as traction control and active suspension banned for the 1994 season, the car used a conventional semi-automatic gearbox and pushrod double wishbone suspension.

Powershift and semi-powershift transmissions allow clutchless shifting over entire gear range but absorb more engine power than conventional gearboxes.

In 1922 the belt drive was replaced by a conventional three-speed gearbox and chain drive.

In 1912 a 16/26 model with 2613 cc engine was announced and this could be ordered with a conventional gearbox.

Their use also involves much stop-start driving, thus heavy clutch wear for conventional gearboxes.

However, many men were trained to drive in the War on vehicles with conventional gearboxes which led to a decline in popularity of Tilling-Stevens' system.

Reverse gear: There is no reverse gear as in a conventional gearbox: the computer feeds negative voltage to MG2, applying negative torque to the wheels.