top dead center love

top dead center

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A position in the four-stroke combustion process wherein the piston is at the topmost point in its stroke. This can either be during the compression phase or the combustion phase.
  • n. The reference mark on a flywheel (and engine block) indicating the engine is in the top dead center position, when aligned.

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  • (n.) The absolute top of a piston's stroke within a piston engine's cylinder (a.k.a. TDC). Top dead center is the reference point from which ingition timing is calibrated.

    September 10, 2009