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Old 07-02-2007, 08:24 AM
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Debris Field
 
Join Date: Mar 2004
Location: Melbourne, AUSTRALIA
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Default Foaming Fuel

I have a scale twin engined Cessna which by very neccessity has fuel tanks that are bound a little too tight in their cradles. Now this is causing the fuel to foam somewhat at high RPM. it is not a holed fuel line, loose bung or any of these other reasons as i have been up and down that path allready. There is no room to further soft mount the fuel tanks either, so we have to deal with what is there.

I mix my own fuels using 17% Coolpower and 15% Nitro. What can I add to my fuel to reduce it's tendancy to foam? I had heard that a few drops of dishwashing liquid will do this (!! yeah I know, dishwashing liquid itself foams in a sink full of water !!) from a well known fuel mixer around my parts. can anyone comment?

This site is soooo large that a search on this leads to thousands of irrelevant posts, so sorry if it seems obvious to someone.....

cheers

Mick