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Automobile

Of or relating to any vehicle, usually designed to carry passengers, that operates on ordinary roads and typically has four wheels and a gasoline or diesel internal-combustion engine.

Contributors in Automobile

Automobile

Mechanical efficiency

Automotive; Automobile

Ratio of a component's output to the input, expressed as a percentage. The difference represents frictional and other losses.

Barrel throttle

Automotive; Automobile

Airflow control member in a carburettor, being a cut-away cylinder rotated by the linkage.

Battery coil ignition

Automotive; Automobile

System in which current from the battery is transformed into high-tension electricity in a coil to fire the spark plugs.

Battery condition metre

Automotive; Automobile

Instrument showing the battery's voltage output and current condition.

Battery polarity

Automotive; Automobile

Term denoting whether the positive or negative terminal of a battery is connected to earth.

Axle ratio

Automotive; Automobile

That between the speed of the propeller shaft and the speed of the shafts driving the wheels.

Axle shaft

Automotive; Automobile

Drive shaft going from a differential to a road wheel.

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