- Industry: 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 ...
The compartment on a multiengine aircraft in which the engine is mounted. The engine nacelle for a turbojet engine that mounts on the fuselage or below the wing is often called an engine pod.
Industry:Aviation
The compass error caused by the difference in the physical locations of the magnetic north pole, the location to which the magnetic compass points, and the geographic north pole, the reference from which navigational charts are drawn.
Variation is shown on a chart by isogonic lines, along which the variation is a constant number of degrees. For land navigation, variation is called declination.
Industry:Aviation
The complement of an angle is 90° minus the angle. For example, 30° is the complement of 60°: 90° – 60° = 30°. An angle of 30° and an angle of 60° are complementary angles; their sum is 90°. The two acute angles in a right triangle are always complementary angles.
Industry:Aviation
The complete installation of an aircraft engine, propeller, and all accessories needed for its proper functioning.
Industry:Aviation
The complete path followed by electrons from the negative terminal of the source of electrical energy, through the electrical load, back to the positive terminal of the source.
All electrical circuits must have at least three components: the source of electrical energy, the electrical load, and conductors to connect the source and the load.
Industry:Aviation
The complete path in an electrical machine that is followed by lines of magnetic flux. Lines of flux leave the north pole of the magnet, flow through all the circuit components, and re-enter the magnet at its south pole.
In a motor or generator, the magnetic circuit is made up of the pole shoes, the armature core, the field frame, and the air gaps between the pole shoes and the armature.
Industry:Aviation
The complete set of high-tension cables, terminals, and connectors used to carry high voltage from the magnetos to the various spark plugs in the engine.
Industry:Aviation
The component in a helicopter control system that consists basically of two bearing races with ball bearings between them. The lower, or nonrotating, race is tilted by the cyclic control, and the upper, or rotating, race has arms which connect to the control horns on the rotor blades.
Movement of the cyclic pitch control is transmitted to the rotating blades through the swash plate. Movement of the collective pitch control raises or lowers the entire swash plate assembly to change the pitch of all of the blades at the same time.
Industry:Aviation
The component in a hydraulic system that converts hydraulic pressure into mechanical force. The two main types of hydraulic actuators are linear (cylinders and pistons) and rotary (hydraulic motors).
Industry:Aviation
The component in a piece of automated equipment affected by some physical condition. The sensor sends signals into the equipment so it will operate in the correct manner. An automatic cowl flap actuation system has a temperature sensor affected by the cylinder head temperature. This sensor sends signals to the cowl flap motor. If the cylinder head temperature is too low, the motor closes the cowl flaps, and if the temperature is too high, the motor opens them.
A photoelectric cell is a form of sensor. It is affected by the amount of light or by the color of the light.
Industry:Aviation
