Engines

Detonation

Definition

Uncontrolled explosive combustion in a piston engine cylinder caused by excessive heat and pressure. Produces hammering forces that can destroy the engine. Prevented by proper mixture, fuel grade, and power management.

Related Terms

Preignition

Ignition of the fuel-air charge before the spark plug fires, caused by a hot spo...

Mixture Control

A cockpit control that adjusts the fuel-to-air ratio in piston engines. The mixt...

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