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GE90-115B Maximum Fuel Flow?  
User currently offlinetitanmiller From United States of America, joined exactly 10 years ago today! , 91 posts, RR: 0
Posted (3 years 5 months 3 weeks 3 days 19 hours ago) and read 9061 times:

Does anybody have a ballpark number for the fuel flow of a GE90-115B at TRT and sea level?

Based on what I know about the CFM56's fuel flow and multiplying to get equal thrust, I would guess that it is around 40,000-45,000 lb/hr. Does anyone have firsthand experience with this?

3 replies: All unread, jump to last
User currently offlineferpe From France, joined Nov 2010, 2809 posts, RR: 60
Reply 1, posted (3 years 5 months 3 weeks 3 days 11 hours ago) and read 8940 times:

You get the exact value here, it is part of the ICAO engine emission databank, You need to convert to imperial units though:


Non French in France
User currently offlinesunrisevalley From Canada, joined Jul 2004, 6149 posts, RR: 6
Reply 2, posted (3 years 5 months 3 weeks 3 days 11 hours ago) and read 8936 times:

Off a copy of a flight plan that I have , for a 77W at MTOW the burn from sea level to FL39 cruise was 8332kg over a time of 30-mins. The Boeing 77W load/range chart is based on the -115BL I believe it is.

User currently offlinelegs From Australia, joined Jun 2006, 251 posts, RR: 0
Reply 3, posted (3 years 5 months 3 weeks 2 days 23 hours ago) and read 8759 times:

From ferpe's link, the published takeoff fuel flow was 4.690 kg per second. Multiply by 3600 to get kg/hr gets you 16,884 kg per hour. Convert that to pounds and you end up with about 37,144 lbs/hour takeoff flow for a GE90-115B.

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