A fault in a reciprocating engine’s ignition system. The high voltage in the magneto distributor jumps to the wrong terminal, resulting in the wrong spark plug firing with a consequent loss in power. Flashover can happen because of moisture in the distributor. It can also occur when an aircraft is flying at high altitudes and the air inside the distributor does not have sufficient density to be an effective dielectric.

Aviation dictionary. 2014.

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  • flashover — [flash′ō΄vər] n. an undesired electrical discharge across an insulator, between a high potential and the ground, etc …   English World dictionary

  • Flashover — For the 2007 documentary see Flashover (film).: In electric power transmission, a flashover is an unintended high voltage electric discharge over or around an insulator, or arcing or sparking between two or more adjacent conductors. A flashover… …   Wikipedia

  • Flashover — Der Flashover (dt. Durchzündung; auch Flash Over, Flash over, F/O) ist eine Phase innerhalb eines Brandereignisses und bezeichnet den schlagartigen Übergang eines Schadenfeuers (z. B. Zimmerbrand) von der Entstehungsphase hin zur… …   Deutsch Wikipedia

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  • flashover — /flash oh veuhr/, n. 1. Elect. a disruptive discharge around or over the surface of a solid or liquid insulator. 2. the moment of conflagration or complete incineration caused by superheated air or combustibles. v.i. 3. Elect. to have or… …   Universalium

  • flashover — /ˈflæʃoʊvə/ (say flashohvuh) noun 1. a disruptive electrical discharge around or over the surface of a solid or liquid insulator. 2. the point at which a fire in a building reaches sufficient heat so that volatile gases given off by linings,… …  

  • Flashover (disambiguation) — Flashover may refer to:* Flashover, a near simultaneous ignition of all combustible material in an enclosed area. * Flashover (film), a 2007 documentary film concerning John Deacon s release from prison. * Flashover Recordings, a trance music… …   Wikipedia

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  • Flashover (film) — infobox movie| name = Flashover starring = April Deacon John Deacon director = Paul Medico Sean O Connor producer = Amanda McGrady released = 6 . 13. 08 runtime = 30 min language = English budget = $4,000 website = http://www.flashoverfilm.com… …   Wikipedia

  • flashover — noun Date: 1892 1. an abnormal electrical discharge (as through the air to the ground from a high potential source or between two conducting portions of a structure) 2. the sudden spread of flame over an area when it becomes heated to the flash… …   New Collegiate Dictionary

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