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How speed of compressors of aircraft engine is measured?

Updated: 9/24/2023
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Pratikkhandediyafb13...

Lvl 1
9y ago

Best Answer

In "percent of maximum." A turbine engine's compressor shaft rotates at a very high speed - 20,000 to 30,000 rpm. Let's say your engines run at 25,000 rpm. Pilots don't want to have to do math if they want to slow the engine from 100 percent to 75 percent, they just want to slow the plane down...so the tach is marked in percentage of maximum rotation speed.

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Q: How speed of compressors of aircraft engine is measured?
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