Tachometer

A tachometer is an instrument used to measure the rotation speed of an aircraft's engine. It displays the number of revolutions per minute (RPM) of the engine's crankshaft. The tachometer is an important instrument for pilots as it helps them to monitor the engine's performance and ensure that it is operating within safe limits. It is also used to calculate fuel consumption and to determine the best power settings for the engine during different phases of flight. The tachometer is usually located on the aircraft's instrument panel and is calibrated to the specific engine installed in the aircraft.
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