Aviation Maintenance Terms beginning with I
IDG
Integrated drive generator. An AC generator installed on turbine engines. An IDG incorporates a brushless, three- phase AC generator and a constant-speed drive in a single component.
IHP
Indicated horsepower. The theoretical horse-power a reciprocating engine develops.
IMEP
Indicated mean effective pressure. The average pressure existing inside the cylinder of a reciprocating engine during its power stroke.
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