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

circular magnetism

Aviation; Aircraft maintenance

A method of magnetizing a part for magnetic particle inspection. Current is passed through the part, and the lines of magnetic flux surround it. Circular magnetism makes it possible to detect faults ...

longitudinal magnetism

Aviation; Aircraft maintenance

A method of magnetizing through a solenoid, or coil, that encircles the part so the lines of magnetic flux pass lengthwise through the part. Longitudinal magnetism makes it possible to detect faults ...

oil analysis

Aviation; Aircraft maintenance

A method of measuring the contents in parts per million of various chemical elements in oil. A sample of the oil is burned in an electric arc, and the resulting light is analyzed with a spectroscope ...

sand casting

Aviation; Aircraft maintenance

A method of molding metal parts in a mold made of sand. A pattern that duplicates the part to be molded is made of wood and is covered with a special casting sand that contains a resin to bind it. ...

jet propulsion

Aviation; Aircraft maintenance

A method of propulsion by accelerating a relatively small mass of air through a large change in velocity.

blending

Aviation; Aircraft maintenance

A method of repairing damaged compressor and turbine blades. The damage is removed and the area is cleaned out with a fine file to form a shallow depression with generous radii. The file marks are ...

oil dilution

Aviation; Aircraft maintenance

A method of temporarily decreasing the viscosity of the lubricating oil to make it possible to start a reciprocating engine when the temperature is very low. Before shutting the engine down, enough ...