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

needle bearings

Aviation; Aeronautics

A type of anti-friction bearing. Needle bearings are made of a series of relatively long, small-diameter rollers (the needles) made of hardened steel. The needles ride between two hardened and ...

servo feedback

Aviation; Aeronautics

A type of automatic control system in which part of the output is fed back into the input to help control the action. In an automatic pilot system, an attitude sensor detects a wing dropping and ...

A type of automatic selector valve installed in a critical portion of a fluid power system. Fluid for normal operation of the system flows through the shuttle valve into the actuating cylinder. But ...

low-lead 100-octane aviation gasoline

Aviation; Aeronautics

A type of aviation gasoline having an octane rating of 100, but containing a maximum of two milliliters of tetraethyl lead per gallon. Normal, or high-lead, 100-octane aviation gasoline is allowed to ...

certificated technician

Aviation; Aeronautics

A type of aviation maintenance personnel included in the proposed 14 CFR Part 66 Aviation Maintenance Personnel. An Aviation Maintenance Technician (AMT) certificate with an Aircraft rating is ...

balun

Aviation; Aeronautics

A type of balanced-to-unbalanced radio frequency transformer used in aircraft radio installation. A balun is used to connect a balanced two-conductor antenna to an unbalanced transmission line.

elastomeric bearing

Aviation; Aeronautics

A type of bearing used for oscillating loads where complete rotation is not needed. An elastomeric bearing is made of alternate layers of an elastomer, a rubber-like material, and metal, bonded ...