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Fuel Consumption (Read 4083 times)

obwan Full Member Offline Posts: 12 Joined: Nov 30^th, 2006	Fuel Consumption Dec 27^th, 2006 at 11:53pm	Print Post
	What should my fuel consumption (PPH) be when cruising at say 18000. I get 17000PPH, the higher I go the more it uses. I cannot possibly cruise at FL300 as I would not make 4 hours in the air. Another thing - my 4 gauges show 3000pph each which should = 12000PPH but I always appear to use about 3000 - 4000PPH more, Why is this? Thank you in advance for your response Kevin


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Captain Sim 2 CS Team Offline Posts: 5564 Joined: Nov 8^th, 2005	Re: Fuel Consumption Reply #1 - Dec 28^th, 2006 at 7:39am	Print Post
	Please make sure you read this Technical Support Section entry: http://www.captainsim.com/cgi-bin/kb.pl?qid=193

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aviateur Full Member Offline Posts: 42 Joined: Mar 13^th, 2007	Re: Fuel Consumption Reply #2 - Mar 13^th, 2007 at 3:39pm	Print Post
	Hi. Its very strange??? My B707 can fly for 10h at FL390. I did that a couple of time from Corsica to La Reunion island. A 4550 nm flight. Okay there is not much remaining in the tanks and much below the regulation, but it can do it. Andre.


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Pash Master Senior Member Offline Boeing 707 Captain Posts: 486 Location: Dubai, United Arab Emirates Joined: Jun 9^th, 2007 Gender:	Re: Fuel Consumption Reply #3 - Jul 16^th, 2007 at 6:37am	Print Post
	obwan wrote on Dec 27^th, 2006 at 11:53pm: What should my fuel consumption (PPH) be when cruising at say 18000. I get 17000PPH, the higher I go the more it uses. I cannot possibly cruise at FL300 as I would not make 4 hours in the air. Another thing - my 4 gauges show 3000pph each which should = 12000PPH but I always appear to use about 3000 - 4000PPH more, Why is this? Thank you in advance for your response Kevin Okay, there is a few things that may be doing this... first of all, you may have your power settings on max. You'll know this by looking at the tachometer (it should point at a high number) second: Like Captain Sim said, you may not have loaded enough fuel. Therefor, do what they say. third: In TCE, you've put in a lot of weight. Therefor, the airplane will use more power to keep it flying. Hope this helps.

	Don't let the game be the master, be the master of the game.&&------------------------------------------------------------&&&&Boeing 707-300 Cargo Captain
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sdlc New Member Offline Posts: 1 Joined: Jul 26^th, 2007	Re: Fuel Consumption Reply #4 - Jul 26^th, 2007 at 11:10pm	Print Post
	Hi all Quote: Another thing - my 4 gauges show 3000pph each which should = 12000PPH but I always appear to use about 3000 - 4000PPH more, Why is this? . It's true. The FF gauge has a bug who reduce the FF shown around 30-40 %. For example 2700 pph shown, 3900 pph real (checked with a other panel or the tool AFSD) . Not easy to drive engines with EPR bug, N1 not easy to read, and this bug..... Bye


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Pash Master Senior Member Offline Boeing 707 Captain Posts: 486 Location: Dubai, United Arab Emirates Joined: Jun 9^th, 2007 Gender:	Re: Fuel Consumption Reply #5 - Jul 26^th, 2007 at 11:34pm	Print Post
	Well, lets just hope Captain Sim makes a fix for this. Oh, byt the way welcome to the forum!

	Don't let the game be the master, be the master of the game.&&------------------------------------------------------------&&&&Boeing 707-300 Cargo Captain
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CrewDawg Full Member Offline Posts: 5 Joined: Jul 28^th, 2007	Re: Fuel Consumption Reply #6 - Jul 28^th, 2007 at 9:45pm	Print Post
	I have a question about your fuel flow problem. Are you computing fuel flow baised on the entire flight? If so, your fuel comsumption at takeoff will be much higher because your engines have to produce more power for climbout. Take a look at the guages on climbout and you will see the fuelflow is almost 5000lbs/h that will make up the difference from what your guage shows at cruise.


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