PPRuNe Forums - View Single Post - Fuel flow variation with change in ambient air temp

30th May 2013, 05:00

#2 (permalink)

Brian Abraham

Join Date: Aug 2003

Location: Sale, Australia

Age: 80

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Some figures taken from a PT-6 powered airframe

ISA-30 384pph
ISA-20 399
ISA-10 404
ISA 409
ISA+10 413
ISA+20 418
ISA+30 423
ISA+37 439

With increasing temp the N1 spool will need to increase RPM

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