Page 1 of 1

CF6-80C2B fuel flow

Posted: Wed Mar 17, 2021 5:57 pm
by mikeinatlanta
Looking for fuel flow of a CF680C2B at takeoff thrust, sea level, standard day.
Thanks

Re: CF6-80C2B fuel flow

Posted: Wed Mar 17, 2021 7:30 pm
by AvgWhiteGuy
To start, I would take it's takeoff thrust and multiply by approximately .34, it's (also approximate SL, 0 KIAS, std day) SFC. That will get you close, others here I'm sure
will critique and fine tune my admittedly quick and dirty formula.

Re: CF6-80C2B fuel flow

Posted: Wed Mar 17, 2021 9:46 pm
by mikeinatlanta
AvgWhiteGuy wrote:
To start, I would take it's takeoff thrust and multiply by approximately .34, it's (also approximate SL, 0 KIAS, std day) SFC. That will get you close, others here I'm sure
will critique and fine tune my admittedly quick and dirty formula.

Thanks. Already did that but looking for real world.