Aeronautics

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

underslung rotor

Aviation; Aeronautics

A helicopter rotor with its center of gravity below the point at which the rotor is attached to the mast.

Allen wrench

Aviation; Aeronautics

A hexagonal rod used to turn an Allen screw. The most common Allen wrenches are bent with a 90° angle so they have a short and a long leg.

A high grade of steel produced by melting scraps of iron and steel in a graphite crucible and adding the correct amounts of alloying elements and fluxes. The metal is boiled to remove the volatile ...

porcelain

Aviation; Aeronautics

A high-grade, translucent ceramic material having a hard, glazed finish. Porcelain is used for dishes, vases, and high-strength electrical insulators. It was used as the insulator in some early ...

field effect transistor (FET)

Aviation; Aeronautics

A high-impedance semiconductor device in which the flow of load current between the source and drain is controlled by variations in voltage on the gate, rather than current, as is done with a bipolar ...

junction field effect transistor (JFET)

Aviation; Aeronautics

A high-impedance semiconductor device that controls the flow of electrons between its source and drain by a voltage placed on its gate. The function of a JFET is similar to that of a bipolar ...