Aircraft Instruments System

May 14th, 2015
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ANEROID – sensitive component in an altimeter or barometer that measures absolute pressure of the air. -Sealed, flat capsule made of thin corrugated disks of metal soldered together and evacuated by pumping all of the air out of it. PRESSURE – amount of force acting on a given unit of area and all pressure must be measured from some known reference

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Aircraft Instruments System ReviewerANEROID sensitive component in an altimeter or barometer that measures absolute pressure of the air. -Sealed, flat capsule made of thin corrugated disks of metal soldered together and evacuated by pumping all of the air out of it. PRESSURE amount of force acting on a given unit of area and all pressure must be measured from some known references. BAROMETRICSCALE/KOLLSMAN WINDOW- small window in the dial of a sensitive altimeter in which the pilot sets the barometric pressure level from which the altitude shown on the altimeter is measured. AIRSPEED INDICATOR A flight instrument that measures the differential between the pitot, of ram air pressure and the static pressure of the air surrounding the aircraft. BOURDON TUBE type of pressure-indicating mechanism used in most oil pressure and hydraulic pressure gages. -Consists of a sealed, curved tube with an elliptical cross section. ABSOLUTE PRESSURE measured from zero pressure or vacuum. RIGIDITY IN SPACE characteristic of a gyroscope that prevents its axis of rotation tilting as the earth rotates. This is used by directional gyros and gyro horizons. HEADING INDICATOR a gyroscopic instrument that gives the pilot an indication of the aircrafts heading. TURN & SLIP INDICATOR a rate gyroscopic flight instrument that gives the pilot and indication of the rate of rotation of the aircraft about its vertical axis. DEVIATION an error in a magnetic compass ca

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