PPRuNe Forums - Convert N1 -> EPR (or EPR -> N1) in PW2037

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teropa

4th Feb 2004 06:32

Convert N1 -> EPR (or EPR -> N1) in PW2037

Hi,

Is there any way, a mathematical formula or something to enable converting ANY N1 value of a PW2037 (or PW2040) engine to its EPR value OR vice versa.

The EPR is the primary indication for those PW engines, but I need to be able to convert one to another in PW2037/2040 engines.

I know the Alternate Thrust settings in the AOM (757) provide for a good reference, but is there another way ?

thanks!

Tero

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