You Ran The Fuel How ?  
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All Forums >> RC Helicopters >> RC Helicopter General Discussions >> You Ran The Fuel How ?
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You Ran The Fuel How ? - 7/18/2003 12:16:09 AM   
cdy64



Posts: 35
Joined: 7/12/2003
From: Grapevine, TX, USA
Status: offline 		Seems to me that the law of Gravity and Physics are not in proper balance. (Please Note I’m not saying this set up is wrong, just odd)

Let’s start by calling the MAIN TANK “B”.
And the HEADER TANK “A”.

The header tank (on most) Helicopters is mounted higher than the main tank, that is a gravity problem from the start. You’re trying to use muffler pressure to FORCE FUEL UP HILL. I’m really lost as to why there is even a header tank at all. Anyway, I would think that you would connect the muffler to tank “A” at the top. Then run a line from the bottom of tank “A” to the top of tank “B”. Then run a line from the bottom of tank “B” to the engine. NOT LIKE SHOWN HERE! Any feed back would be of big help. I’m lost as what you guys are doing in fuel world.

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C. Young. Ft.Worth, Texas.
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You Ran The Fuel How ? - 7/18/2003 12:46:28 AM   
Helirat



Posts: 62
Joined: 4/29/2003
From: Eastpointe, MI,
Status: offline 		Header tank

http://www.digital-fusion.ca/sbr/headertank.htm

(in reply to cdy64)
       Post #: 2

You Ran The Fuel How ? - 7/18/2003 10:26:29 AM   
Lynx



Posts: 1374
Joined: 9/19/2002
From: Rochester, NY, USA
Status: offline 		It has nothing to do with gravity. It has everything to do with air pressure. You're talking about less than a 3 inch rise. Virtually no air pressure is required to force a liquid to that level. What's wrong with that diagram? The muffler pressurizes the lower fuel system and the upper one is there for extra fuel space and to keep air out of the system.

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-Curiosity may have killed the cat
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(in reply to cdy64)
       Post #: 3

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