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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

Overhead cam

Automotive; Automobile

The type of valvetrain arrangement in which the engine's camshaft(s) is in its cylinder head(s). When the camshaft(s) is placed close to the valves, the valvetrain components can be stiffer and ...

Oversquare

Automotive; Automobile

A description of an engine whose bore is larger than its stroke.

Drivability

Automotive; Automobile

The general qualitative evaluation of a powertrain's operating qualities, including idle smoothness, cold and hot starting, throttle response, power delivery, and tolerance for altitude changes.

Driveline

Automotive; Automobile

Everything in the drivetrain, less the engine and the transmission.

Driveshaft

Automotive; Automobile

The shaft that transmits power from the transmission to the differential.

Drivetrain

Automotive; Automobile

All of a car's components that create power and transmit it to the wheels; i.e. the engine, the transmission, the differential(s), the hubs, and any interconnecting shafts.

Drum brakes

Automotive; Automobile

A type of brake that has an iron casting shaped like a shallow drum that rotates with the wheel. Curved brake shoes are forced into contact with the inner periphery of this drum to provide braking.

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