Automobile

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.

Industry: Automotive

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Automobile

Ground effect

Automotive; Automobile

The phenomenon that occurs when the airflow between a moving object and the ground creates downforce.

Half-shaft

Automotive; Automobile

An articulating, rotating shaft used in independent-suspension systems to transmit power from a differential to a wheel.

Handling

Automotive; Automobile

A general term covering all the aspects of a car's behaviour that are related to its directional control.

A performance-oriented technique of down-shifting while braking that requires the driver to use all three pedals of a manual-transmission car simultaneously. To perform a heel-and-toe downshift, the ...

Heim joint

Automotive; Automobile

An extremely rigid articulating joint, commonly known as a "spherical rod-end," used in any precision linkage. Heim joints are often used in the suspension links of race cars because they locate ...

Helical gear

Automotive; Automobile

A type of gear in which the teeth are cut at a slanting angle to the gear's circumference. A helical design produces an even, constant tooth loading in a gearset, thereby reducing noise.

Hemi

Automotive; Automobile

A term used to describe any engine that has hemispherical combustion chambers in its cylinder head. Although a four-valve design is more efficient, a hemi head provides room for a pair of large ...