Powerplant

Powerplant

The complete installation of an aircraft engine, propeller, and all accessories needed for its proper function.

Industry: Aviation

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Powerplant

cylinder wall honing

Aviation; Aircraft maintenance

Scratching the surface of the cylinder wall with an abrasive to produce a series of grooves of microscopic depth and uniform pattern. The honed pattern holds oil to lubricate the cylinder walls.

Severe damage to moving parts caused when one metal part moves across another without sufficient lubricant between them. Enough heat is generated by friction to cause the high points of the surfaces ...

flame tubes

Aviation; Aircraft maintenance

Small-diameter metal tubes that connect cantype combustors in a turbine engine to carry the ignition flame to all of the combustion chambers. The British call combustion liners flame tubes.

dataplate specifications

Aviation; Aircraft maintenance

Specification of each gas turbine engine determined in the manufacturer’s test cell when the engine was calibrated. This data includes the engine serial number with the EPR that produced a specific ...

sludge plugs

Aviation; Aircraft maintenance

Spool-shaped sheet metal plugs installed in the hollow throws of some engine crankshafts.

blow-in doors

Aviation; Aircraft maintenance

Spring-loaded doors in the inlet duct of some turbojet or turbofan engine installations that are opened by differential air pressure when inlet air pressure drops below that of the ambient air. Air ...