
Spark
Spark is a type of ignition system used in aviation to ignite the fuel-air mixture in the engine's combustion chamber. It consists of a high voltage electrical discharge that jumps across a gap between two electrodes, creating a spark that ignites the fuel. Spark plugs are used in reciprocating engines, while igniters are used in turbine engines. The timing and intensity of the spark is controlled by the engine's electronic control system, which ensures that the spark occurs at the optimal time for efficient combustion.
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