Tank foaming

Tank foaming
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Tank foaming - 10/19/2009 2:04 AM

WRM

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From: Weatherford, TX, USA
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I have a new OMP Edge 540 V3 and the tank is foaming. I have changed the tank to a Hayes and it is still foaming. I put a 1/2 thick high density foam between the fuselage. The old tank , I used a Dubro filtered clunk. Looks like the same as the OS Max bubbleless clunk but it only cost $2.50 versus OS's $16.95 What can I do to stop the foaming.

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RE: Tank foaming - 10/19/2009 9:00 PM

AFSalmon

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I see this was also posted in the main forum.

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RE: Tank foaming - 10/19/2009 11:54 PM

Constrictor

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quote:

ORIGINAL: AFSalmon

I see this was also posted in the main forum.

And on other sites

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RE: Tank foaming - 11/16/2009 1:30 AM

Ernie Misner

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Put a fuel filter in the line right before the engine somewhere. That helps to absorb any bubbles that do make it that far.

Ernie

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RE: Tank foaming - 1/3/2010 1:50 PM

WRM

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Think you for the HELP OMP.

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RE: Tank foaming - 1/5/2010 1:14 PM

AFSalmon

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WRM,

Not sure of your posting but fuel foaming is an old problem that modelers have fought for years but with new fuel formulas the foaming is greatly reduced. Obviously vibrration is what kicks off the foaming but the type of fuel you use, the pickup, good lines, how the tank is mounted, and if your engine vibrates too much are all factors that can excite the fuel foaming. From your previous post I would say check your engine and prop for excessive vibrations and maybe try a different brand fuel. Another old trick is to put a few drops of armour-all into your fuel as this acts as an anti-foaming agent. However I've never personally had a need to try this so please do some basic research on fuel foaming and remedies first before trying the additives. Also please post a picture of your tank mounting setup.

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