- 업종: Aviation
- Number of terms: 16387
- Number of blossaries: 0
- Company Profile:
Aviation Supplies & Academics, Inc. (ASA) develops and markets aviation supplies, software, and books for pilots, flight instructors, flight engineers, airline professionals, air traffic controllers, flight attendants, aviation technicians and enthusiasts. Established in 1947, ASA also provides ...
A straight line across a circle that touches the circumference at two points. The chord passing through the center of a circle is called the diameter.
Industry:Aviation
A straight line through a propeller blade between its leading edge and its trailing edge.
Industry:Aviation
A straight, gear-driven shaft that contains lobes used to operate the intake and the exhaust valves.
The camshaft is geared to the crankshaft in such a way that the valves open and close at the proper time relative to the position of the piston in the cylinders.
Industry:Aviation
A straight-line extension of a localizer, a final approach radial, or a runway center line, all without regard to distance.
Industry:Aviation
A straight-line, spreading downdraft in front of a thunderstorm. A plow wind is also called a first gust.
Industry:Aviation
A straight-wire, half-wavelength, center-fed radio antenna. The length of each of the two poles of the antenna is approximately one quarter of the wavelength of the frequency for which the antenna is designed.
Industry:Aviation
A stream of alpha particles which ionize the gas through which they pass. These particles cause a fluorescent screen to glow. An alpha ray is made up of the lowest-frequency radio emission.
Industry:Aviation
A stream of electrons and hydrogen atom nuclei that comes from outer space, penetrates the earth’s atmosphere, and strikes the earth from all directions. Cosmic rays travel at the speed of light.
Industry:Aviation
A streamlined fairing installed between the root of an airplane wing and the fuselage. Wing fillets smooth the airflow where the wing joins the fuselage and reduce the drag caused by this junction.
Industry:Aviation
