Date: 16 Oct 97 00:44:11 From: email@example.com (Alan Andersen) Organization: CyberGate, Inc. References: 1 2
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On 01 Oct 97 19:57:50 , GWilson404@aol.com wrote: >In article <airliners.1997.2222@ohare.Chicago.COM>, firstname.lastname@example.org (Alan Andersen) writes: >Very simply EPR is a function of actual rotor speed divided by the square >root of the inlet total temperature. This would make the rotor speed some >5%-10% lower at altitude to achieve the same EPR. On the other hand you need >a higher EPR to achieve the same thrust due to reduced air density. So, what do you calculate to be the max EPR at max N1 on a standard day?