Question on Center of Tank Location  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> RC Fuels >> Question on Center of Tank Location
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Question on Center of Tank Location - 6/4/2003 7:03:52 AM   
LMProd



Posts: 276
Joined: 12/31/2001
From: Woodland Hills , CA, USA
Status: offline 		I’m finishing a GP Spacewalker. The engine is inverted so I lowered the tank so the center is level with the carburetor. Then I started thinking, dangerous I know.

The reason for lowering the tank is to prevent the fuel from siphoning to the carburetor. But this airplane is a Tail dragger and when on the ground the fuel clunk is a lot lower than the carburetor. If the tank is not lowered then in flight when the plane is level the tank is slightly higher than the carburetor.

Wouldn’t this be an advantage ? The engine would have less work to siphon the fuel. For example a most Cessna’s have high tanks and use gravity feed would this work the same way ?

Thanks,

Gary
       Post #: 1

Question on Center of Tank Location - 6/4/2003 8:54:20 PM   
JWN



Posts: 4772
Joined: 3/26/2002
From: Florence, TX, USA
Status: offline 		Until you roll inverted (which few Cessna's are setup to do) and your now rich engine suddenly runs lean because the tank is now lower than the spray bar. Unless your engine has a pump, you really want the tank centered on the spray bar.

John

(in reply to LMProd)
       Post #: 2

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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> RC Fuels >> Question on Center of Tank Location
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