April 18, 200917 yr FSX , PMDG-747-400 aircraftIn the FMC ( under Thrust Limit ) are the following entries:Sel OAT ToEPRUnder Sel I can enter a number.OAT always shows 15 . ToEPR shows 1.63First of all : what is OAT. I thought this is the outside temperature of a given airport but since the value remains at 15 regardless of the airport I am not so sure.Should this value not change from airport to airport ?What means EPR and it's value ?What affects the changes of a Sel number ?My goal is to establish the VR speed at different temperatures.Your help is appreciated.Hubert ( my real name )
April 19, 200917 yr FSX , PMDG-747-400 aircraftFirst of all : what is OAT. I thought this is the outside temperature of a given airport but since the value remains at 15 regardless of the airport I am not so sure.Should this value not change from airport to airport ?What means EPR and it's value ?Hubert ( my real name )Your definition of the OAT is correct. You can change it in the FSX Weather Menu. Definition of EPR Engine Pressure Ratio: http://www.grc.nasa.gov/WWW/K-12/airplane/epr.htmlDoes it help? CU, Tom Morello- FSX SP 2, WIN 7, 64Bit.
April 19, 200917 yr Author Your definition of the OAT is correct. You can change it in the FSX Weather Menu. Definition of EPR Engine Pressure Ratio: http://www.grc.nasa.gov/WWW/K-12/airplane/epr.htmlDoes it help?Yes it does.Thanks
April 19, 200917 yr Hello Hubert,OAT stands for Outside Air Temperature. The default in Flight Simulator is set to 15 "A life is like a garden. Perfect moments can be had, but not preserved, except in memory." - Leonard Nimoy ASUS Prime Z270-K/Intel i7 7700k @ 4.7GHz/be quiet! Black Rock 3 Pro/EVGA Geforce GTX960 4GB/16 GB Crucial DDR4-2400 RAM Alexander Neugebauer
April 19, 200917 yr Hello Hubert,OAT stands for Outside Air Temperature. The default in Flight Simulator is set to 15
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