Re: Jet engine rpm

From: (JWizardC)
Organization: America Online, Inc. (1-800-827-6364)
Date:         21 Oct 96 02:29:21 
References:   1
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Without delving into a bunch of obscure data, I can tell you that a JT8-D
series engine runs about 9,000 RPM for low pressure (N1) and 14,000 for
high pressure (N2).

That having been said, the whole point of the ultra-high bypass engine is
to move more air at lower velocity therefore decreasing the noise. If
there is interest, I can look up some more numbers...