12 ms·
First it's 1,400 gallons Second, about 6-7% (Extremely rough estimate) Calculation: Boeing 777 data: (nmi = Nautical Miles) Model Fuel Ra
by epochwolf 16y ago
First it's 1,400 gallons
Second, about 6-7% (Extremely rough estimate)
Calculation:
Boeing 777 data: (nmi = Nautical Miles)
Model Fuel Range nmi/g
777-200 31,000 US gal 5,240 nmi 0.17
777-200ER 45,220 US gal 7,725 nmi 0.17
777-200LR 47,890 US gal 9,380 nmi 0.20
(1,400 gallons * nmi/g)
Which means 238 to 280 nautical miles on a flight that is 3,772 nautical miles long. Which is a difference of 6-7%
Data from
- http://en.wikipedia.org/wiki/Boeing_777 http://en.wikipedia.org/wiki/Boeing_777
- http://www.travelmath.com/flight-distance/from/Chicago,+IL/to/Frankfurt,+Germany http://www.travelmath.com/flight-distance/from/Chicago,+IL/t...
- jws 16y agoThank you for fixing both Wired's article and my units! I still wonder about the variation due to weather though. I can say that flight times vary by at least 7%, so that would suggest that fuel use variation should also be over 7%.
- epochwolf 16y ago> I can say that flight times vary by at least 7%, so that would suggest that fuel use variation should also be over 7%. Couple of things to remember. 1. This was a single test flight. Not statistically significant by any measure. 2. My calculation was back of the envelope with unreliable figures. :)