Originally Posted by
elmetal
I've seen 320 pw burning 2000-2100 lbs per side at .78/.79
2300ish at .80
I've seen sustained 2000lbs a side with .80 FL390 with the LEAP...only about 80 people onboard though.
I've also seen 2500 a side with the LEAP down at 330 doing .80 with a full load.
I'm sure the actual fuel burn differences between the leap and Pratt are negligible when you average over 1000s of flights.