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Old December 12th, 2007, 00:10   #6
B767Driver
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Default Re: Jet Engine Question

Quote:
Originally Posted by Citationkid View Post
but shouldn't the redline still be 100%?

Thanks,

Alex.
You would think...but that's not how jet engine compressor speeds are measured. 100% is not maximum compressor speed. It's just 100% of some arbitrary number (it probably has some reason to it...I think I knew at one time, but I can't remember now.)

Using that arbitrary number for a baseline measurement of compressor speed...the redline (max) might actually be 105% or so of that baseline number.
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