centrifugal advance

A device found on the distributor which, through the action of centrifugal force on two weights, advances or retards the ignitionspark to correspond with changes in engine speed and load.
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Dictionary of automotive terms. 2015.

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  • advance — [1] The act of changing the ignition timing so that the spark occurs earlier in the cycle. The opposite is retard. [2] It may refer to the device which makes this adjustment. Also see automatic advance centrifugal advance electronic spark advance …   Dictionary of automotive terms

  • centrifugal weight — The movable part in a centrifugal clutch or centrifugal advance. The weight (sometimes called a finger ) moves outward as a result of centrifugal force. Changing the mass of the weight will cause the weight to move outward sooner or later. The… …   Dictionary of automotive terms

  • advance weight — One of two small weights located in a centrifugal advance assembly …   Dictionary of automotive terms

  • mechanical advance — See centrifugal advance mechanism …   Dictionary of automotive terms

  • automatic advance — A mechanism which adjusts the ignition advance by means of centrifugal weights or by a diaphragm controlled by intake manifold vacuum …   Dictionary of automotive terms

  • Distributor — This article is about the engine component. For other uses, see Distributor (disambiguation). Typical distributor with distributor cap Also visible are mounting/drive shaft (bottom), vacuum advance unit (right) and capacitor (centre) A… …   Wikipedia

  • governor weight — A centrifugal advance mechanism or advance weight …   Dictionary of automotive terms

  • Ford Windsor engine — Infobox Automobile engine name = Ford Windsor V8 aka = manufacturer = Ford Motor Company type = V8 bore = stroke = displacement = 221,255,260,289,302,351 length = diameter = width = height = weight = block = Cast Iron head = valvetrain = OHV… …   Wikipedia

  • distributor body — The bowl like part containing the distributor shaft with the rotor arm at its top end, and, in the conventional version, the centrifugal advance mechanism and the contact breaker …   Dictionary of automotive terms

  • distributor weight — One of two flat pieces of metal found inside the distributor s centrifugal advance mechanism on the baseplate. They swing out as speed increases and consequently advances the timing of the spark …   Dictionary of automotive terms

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