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…
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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…
Basics 2 min read
AC Synchro Systems
Aircraft with alternating current (AC) electrical power systems make use of autosyn or magnasysn synchro remote indicating systems. Both operate…
Basics 4 min read
DC Selsyn Systems
On aircraft with direct current (DC) electrical systems, the DC selsyn system is widely used. As mentioned, the selsyn system…