20 Terms
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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.
Industry: Automotive
Add a new termContributors in Automobile
Automobile
Final-drive ratio
Automotive; Automobile
The reduction ratio, found in the gearset of a drivetrain, that is furthest removed from the engine. Typically, the differential ratio.
Floorpan
Automotive; Automobile
The largest and most important stamped metal part in a car's body. Usually assembled from several smaller stampings, the floorpan forms the floor and fixes the dimensions for most of the car's ...
Fluid coupling
Automotive; Automobile
Any device that transfers power through a fluid between its inputs and outputs. A fluid coupling basically consists of two fans in a sealed, oil-filled housing. The input fan churns the oil, and the ...
Flywheel
Automotive; Automobile
A heavy disc attached to an engine's crankshaft to increase its rotary inertia, thereby smoothing its power flow.
Four valves per cylinder
Automotive; Automobile
A valvetrain with a total of four valves in the combustion chamber, typically two intakes and two exhausts. Compared to the more common two-valve-per-cylinder designs, a four-valve layout offers ...
Four-wheel drift
Automotive; Automobile
A somewhat imprecise term that describes a cornering situation in which all four tyres are operating at large slip angles.
Four-wheel steering
Automotive; Automobile
A steering system that actively steers the rear wheels as well as the fronts in the interest of improving handling and maneuverability.
