Basics 3 min read
Turbine Gas Temperature Indicating Systems
EGT is a critical variable of turbine engine operation. The EGT indicating system provides a visual temperature indication in the…
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Basics 3 min read
Thermocouple Temperature Indicators
A thermocouple is a circuit or connection of two unlike metals. The metals are touching at two separate junctions. If…
Basics 3 min read
Ratiometer Electrical Resistance Thermometers
Another way of indicating temperature when employing an electric resistance thermometer is by using a ratiometer. The Wheatstone-bridge indicator is…
Basics 3 min read
Electrical Temperature Measuring Indication
The use of electricity in measuring temperature is very common in aviation. The following measuring and indication systems can be…
Basics 3 min read
Temperature Measuring Instruments
The temperature of numerous items must be known for an aircraft to be operated properly. Engine oil, carburetor mixture, inlet…
Basics 5 min read
Stall Warning and Angle of Attack (AOA) Indicators
An aircraft’s angle of attack (AOA) is the angle formed between the wing cord centerline and the relative wind. At…
Basics 2 min read
Accelerometers
An accelerometer is an instrument that measures acceleration. It is used to monitor the forces acting upon an airframe. Accelerometers…
Basics 2 min read
Synchroscope
The synchroscope is an instrument that indicates whether two or more rotating devices, such as engines, are synchronized. Since synchroscopes…
Basics 3 min read
Electric Tachometers
It is not practical to use a mechanical linkage between the engine and the rpm indicator on aircraft with engines…
Basics 2 min read
Mechanical Tachometers
Mechanical tachometer indicating systems are found on small, single-engine light aircraft in which a short distance exists between the engine…
Basics 2 min read
Mechanical Movement Indicators
There are many instruments on an aircraft that indicate the mechanical motion of a component, or even the aircraft itself.…
Basics 2 min read
Remote Indicating Fuel and Oil Pressure Gauges
Fuel and oil pressure indications can be conveniently obtained through the use of synchro systems. As stated previously, running fuel…
