3 Terms
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Aeronautics
The branch of science that deals with flight aerodynamics and with the operation of all types of aircraft.
Industry: Aviation
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Aeronautics
Scale model
Aviation; Aeronautics
A copy of something made in the same proportions as the original, but of a smaller size. When an airplane is designed, a scale model is built and tested in a wind tunnel. The model has the same shape ...
Dichromate treatment
Aviation; Aeronautics
A corrosion-preventive treatment for magnesium alloys. A tight oxide film is formed on the surface of a magnesium alloy when it is treated with a solution of potassium or sodium dichromate.
Constantan
Aviation; Aeronautics
A copper-nickel alloy used as the negative lead of a thermocouple for measuring cylinder head temperature in a reciprocating engine. Either iron or copper may be used as the positive lead for the ...
Bronze
Aviation; Aeronautics
A copper alloy containing tin and sometimes small amounts of zinc and phosphorus. Bronze's low coefficient of friction makes it useful for bearings and bushings.
Ratchet coupling
Aviation; Aeronautics
A coupling between two rotating shafts that allows one shaft to drive the other, but will not allow the driven shaft to rotate the drive shaft.
Diplexer
Aviation; Aeronautics
A coupling system used with an aircraft radio antenna. A diplexer allows two different transmitters to use the same antenna.
