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Powerplant
The complete installation of an aircraft engine, propeller, and all accessories needed for its proper function.
Industry: Aviation
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Powerplant
boost
Aviation; Aircraft maintenance
A term for manifold pressure that has been increased above the ambient atmospheric pressure by a supercharger.
power-assurance check
Aviation; Aircraft maintenance
A test run made of a gas turbine engine to determine how its performance compares with its precious performance as new or freshly overhauled.
baffle
Aviation; Aircraft maintenance
A thin sheet metal shroud or bulkhead used to direct the flow of cooling air between and around the cylinder fins of an air-cooled reciprocating engine.
duct heater
Aviation; Aircraft maintenance
A thrust augmentation system, similar to an afterburner, where fuel is added to the fan-discharge air and burned.
run in
Aviation; Aircraft maintenance
A time of controlled operation of a new or freshly overhauled engine that allows the moving parts to wear together.
time between overhauls (TBO)
Aviation; Aircraft maintenance
A time period specified by the manufacturer of an aircraft engine as the maximum length of time an engine should be operated between overhauls without normal wear causing parts of the engine to be ...
vernier coupling
Aviation; Aircraft maintenance
A timing coupling used with basemounted magnetos. The vernier coupling allows the timing to be adjusted in increments of considerably less than one degree.
