FS9 Fuel Calculations?
NASOCEANA From United States of America, joined Jul 2005, 291 posts, RR: 0 Posted Sun Sep 11 2005 00:17:26 UTC (10 years 7 months 3 weeks 6 days 8 hours ago) and read 4434 times:
I calculate my fuel for a 4500nm with a B777-300 flight as follows:
4500nm/480knts = 9.375 hrs x 22,000lbs = 206,250lbs x 1.08 = 222,750lbs and depending on the airport I'll add taxi fuel according to EST. taxi time.
So I will use 222,300lbs + taxi fuel to complete a 4500nm trip.
The 22,000lbs is fuel consumption per engine per hr. (11,000 x 2).
The 1.08 is used as my reserve fuel, usually 45 min. worth. (16,500)
Are these calculations correct? I usually arrive at my destination with about 20,000lbs in the tank when landing.
I think that the fuel calculations given in FS are not realistic so I compute my own for each trip.
How do you calculate fuel and cruise level for your trips?
B777 greatest Airliner ever built!
Atco2b From United Kingdom, joined Mar 2005, 1114 posts, RR: 6
Reply 1, posted
Tue Sep 13 2005 14:47:57 UTC (10 years 7 months 3 weeks 3 days 18 hours ago) and read 4355 times:
I do mine a bit simpler than that
I do the Route-Planner, see what i need then add on about 50% extra.
Usually get it about right
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Goldenshield From United States of America, joined Jan 2001, 6170 posts, RR: 13
Reply 2, posted
Fri Sep 16 2005 17:16:46 UTC (10 years 7 months 3 weeks 15 hours ago) and read 4298 times:
While nowhere near exact, if we use 121 flag rules, and the figure that you have provided, I estimate a minimum release fuel of 225,000 pounds.
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Intothinair From Germany, joined Mar 2005, 392 posts, RR: 2
Reply 3, posted
Mon Sep 19 2005 12:28:02 UTC (10 years 7 months 2 weeks 4 days 20 hours ago) and read 4242 times:
Yeah, it doesn't seem to be perfectaly accurate. On a different note, according to
FS the Learjet 45 flies 2200NM. maximum. I managed to fly it just over 5000NM(No joke) non stop, that being with a 70pounds light pilot and no pax or baggage, and at a little bit higher altitudes. Does it really make such a difference?i can't imagine so, in real life i mean.
Cheers, Konstantin G.