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Fuel/Duration Calculation  
User currently offlineUnited757 From United States of America, joined Jul 2006, 103 posts, RR: 0
Posted (8 years 1 month 22 hours ago) and read 2970 times:

Hello! I'm looking for a good program I can use to determine the duration of a flight and how much fuel will be required in FS 2004.
Anyone know of anything, or a feature in FS that does this that I don't know about?
Thanks!

7 replies: All unread, jump to last
 
User currently offlineQFA380 From Australia, joined Jul 2005, 2061 posts, RR: 1
Reply 1, posted (8 years 1 month 15 hours ago) and read 2946 times:

I would also love to have something like this. It would be a greta help in filing flightplans and the like.

Also, one that cna be used on a number of different models of planes.


User currently offlineB737200 From Malta, joined Feb 2005, 225 posts, RR: 2
Reply 2, posted (8 years 1 month 8 hours ago) and read 2931 times:

The flight planner in fs2004 gives you an estimated fuel burn in the flight log section, but from experience its innacurate. Adding an extra 50% of what it says used to work pretty well for me.

I usually try to find documentation from avsim.com or flightsim.com taken from real aircraft manuals to calculate fuel. this seems to work best in my opinion.

You can also try to find some freeware fuel planning programs on avsim.com for certain aircraft. There was one for a 737.

http://library.avsim.net/search.php?...+fuel+planner&CatID=root&Go=Search

I never tried it myself.

Hope this helps.



Lady Guinness is ready to fly...
User currently offlineJetflyer From Netherlands, joined Aug 2009, 0 posts, RR: 0
Reply 3, posted (8 years 1 month 7 hours ago) and read 2924 times:

Simple. Find out the average fuel flow of your aircraft per hour, work out the length of your flight, load the required fuel, then add an extra hour's fuel for reserve. Of course there's a bit more to it than that but you know what I mean.

Basically, fuel flows (avg) I use on FS are these:

727: 9,000lb/hr
737: 6,000lb/hr
747: 23-26,000lb/hr
757: 8,000lb/hr
767: 12,000lb/hr
777: 14,000lb/hr
A300: 12,000lb/hr
A310: 11,000lb/hr
A320: 6,000lb/hr
A330: 14,000lb/hr
A340-300: 15,000lb/hr
A340-5/600: 20,000lb/hr
DC-9: 6,000lb/hr
MD-80: 7,000lb/hr
DC-10-30: 18/20,000lb/hr

Hope that helps a bit... saw me through 2,300hrs on FS with good fuel planning..


User currently offline747LUVR From United States of America, joined Jul 2005, 394 posts, RR: 0
Reply 4, posted (8 years 3 weeks 1 day 3 hours ago) and read 2828 times:

While in midflight, esp on longhauls flights, heres what i do to fig out if I'll have enough fuel for the remainder of my flight.

Pull up your clock and start it for one minute-to the second. (ie-8:44:07 and stop it at 8:45:07)Giving you 60 seconds.
Write down how many lbs of fuel is left in the tanks.

You will see how many lbs of fuel burnt in the 60 seconds.

Jot down your FF per hour, mileage to destination and fuel left in weight., BEFORE & AFTER.

#'s are examples: 7,900 lb/hr (times 4, for a 747=31,600lbs/hour or 526.6 lbs of fuel per minute)

8 miles traveled in 60 seconds, and 4680 miles to go till destination /by 8miles per minute=585 minutes.

287,900 lbs of fuel in the tanks. OK, stay with me. Divide 287,900 by 526.6 min's=547 minutes. Guess what? I need at least 585 minutes of fuel so I'm short by 38 minutes. But, I have plenty of time to throttle back and use less fuel and I'll make my destination without "cheating" to add fuel.

I hope this wasnt TOO complicated.


User currently offlineJamesbuk From United Kingdom, joined May 2005, 3968 posts, RR: 4
Reply 5, posted (8 years 3 weeks 1 day 3 hours ago) and read 2826 times:

Quoting 747LUVR (Reply 4):
747LUVR

Yeh thats all nice and jolly if you in the air and you've got plenty left, but what if your going to be well out, thats why we need a ground one  Smile
Nice method though!! works pretty neatly.

Rgds --James--



You cant have your cake and eat it... What the hells the point in having it then!!!
User currently offlineJumpseatflyer From United States of America, joined Sep 2005, 163 posts, RR: 0
Reply 6, posted (8 years 3 weeks 1 day 3 hours ago) and read 2821 times:

If the quoted requirement is less than 100,000 pounds, double. If more, multiply by 1.5. Has always worked for me, but a lot of times the reserves get used. I also don't fly very long legs. 1500nm is generally my maximum length.

User currently offlineJamesbuk From United Kingdom, joined May 2005, 3968 posts, RR: 4
Reply 7, posted (8 years 3 weeks 1 hour ago) and read 2796 times:

Quoting Jumpseatflyer (Reply 6):
If the quoted requirement is less than 100,000 pounds, double. If more, multiply by 1.5. Has always worked for me, but a lot of times the reserves get used. I also don't fly very long legs. 1500nm is generally my maximum length.

But what about more fuel efficient aircraft? or is it just a general thing your using there? also what altitude is that based at?

Rgds --James--



You cant have your cake and eat it... What the hells the point in having it then!!!
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