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 10 Fuel Bug (Read 13821 times)
Markoz
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Re: Fuel Bug
Reply #15 - Oct 16th, 2011 at 2:02am
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Quote:
the aux tanks are the inboard-most tanks on the aircraft.

Thanks for that very informative information on the Fuel Tanks, TechRep!
I also thought that the AUX Tanks would have been further out. Like near the wing tips.

Quote:
But again, I dont think structural wear is an issue on FSX aircraft...

I guess we have to "pretend" that it is. Grin

Mark
  

Mark Fletcher



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Pinatubo
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Re: Fuel Bug
Reply #16 - Oct 16th, 2011 at 4:59pm
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Hi TechRep,

It seems we were speaking the same thing except about tanks nomenclature. As Mark said I also thought that the auxiliary tanks were those near the wing tips. A misunderstanding happens sometimes. If possible I would like to know the correct fuel tanks nomenclature and their relative position into the airplane.

Thanks.

Pinatubo.

PS: Is the diagram below a valid one?

  

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TechRep
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Re: Fuel Bug
Reply #17 - Oct 17th, 2011 at 11:34pm
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Easy enough... Add the following link (can't put the whole link since I have fewer than 10 posts)
avsim.com/pages/0308/C130X/ace%20fuel%20loader%20with%20external%20tanks.jpg

I checked my currect C-130 ACE and fuel is not an option in the preflight section, but this picture accurately describes the tank name and location.
Though almost all C-130H's were delivered with external tanks (under the wing), very few J's were delivered with them. there simply wasn't the need as the engines were more efficient and could carry out the same range as an H withou the additional 18k of fuel.
  
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TechRep
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Re: Fuel Bug
Reply #18 - Oct 17th, 2011 at 11:55pm
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I'm not sure when or how the Fuel configuration got removed from the ACE. Is it just me?
  
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TechRep
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Re: Fuel Bug
Reply #19 - Oct 17th, 2011 at 11:59pm
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I guess the above diagram is correct, though I'm not sure what airframe it is. Typically you see main tanks in the wings. externals are usually pods hung below the wings. Aux tanks can be just about anywhere else.
There is also an internal fuel tank that can be on or offloaded to carry additional fuel, but those don't see much use anymore. The ones we used in the Navy were specifically for carry fuel as the cargo. The tank is plumbed into the aircraft fuel system.
  
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Don-P1126
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Re: Fuel Bug
Reply #20 - Oct 21st, 2011 at 1:00pm
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One of the issues with CS-130 is it really doesn't reflect the real plane exactly.   Yes the Aux tanks are inboard of #2 and #3 Engines, Main tanks 1 and 2 are Left wing and Main Tanks 3 and 4 are right engine.

Typically the Aux tanks will hold 855 Gallons/5814 lbs, The Externals that hang under the wing between the engines will hold 1309 Gallons/8901lbs and the main tanks will be different on each wing..
#1 and #4 Will be 1222 Gals/8310 lbs
@2 and #3 will be 1126 Gals/7657 lbs

Aux tanks are not always used in the plane.  (CS C-130) For the Aux tanks to drain first is kinda intersting since each engine is directly tied to a main tank (with boost pump) and the aux tanks have to feed the manifold to get to repective engines.  my understanding is real plane you have to transfer fuel to the main tanks from the Aux tank and the same with externals they do not feed directly to the engines.   They are to supplement the Main tanks.
  

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Don-P1126
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Re: Fuel Bug
Reply #21 - Oct 21st, 2011 at 1:02pm
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Now the J model thats a whole new animal and CS hasn't configured the model accurately either internal instrument panel or systems operations.   All the C-130J's models CS has installed still uses instruments and specs from E/H world.   Engine thrust, Fuel usage, prop dynamics are not J model.   Real world yes J's don't need externals, CS world probably since its a fuel hog.
  

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