Matt Theron Posted June 9, 2009 Share Posted June 9, 2009 Hi all ye wise people, I have padded the tank of the model in question but still get foamy fuel in the tank - the engine is a sc 52 four stroke. Is there perhaps anything liquid that I can add to the fuel to stop this condition? Hoping that help will be at hand. Cheers Matt Quote Link to comment Share on other sites More sharing options...
Ernie Posted June 9, 2009 Share Posted June 9, 2009 Hi Matt I seem to remember that a scoosh of furniture polish did the trick, but try it at your peril I'm sure someone will put you right on this I'd look at the cause, cos, I doesn't happen to me. If the padding is good enough quality, and all round the tank, then it should be OK. What about the neck of the tank, is it getting vibration from the firewall ernie Quote Link to comment Share on other sites More sharing options...
RonSpencerUK Posted June 9, 2009 Share Posted June 9, 2009 What about an 'anti-foaming' clunk? Means taking out the tank though! Quote Link to comment Share on other sites More sharing options...
001 Posted June 9, 2009 Share Posted June 9, 2009 There was a suggestion in an American magazine that a silicone liquid called 'Armor All' be added to the fuel but while it stopped foaming it built up a layer of silicone on the glow plug filament and the piston top I remember the author describing the need to chisel the coating off the piston - not recommended! Quote Link to comment Share on other sites More sharing options...
Tim Mackey Posted June 9, 2009 Share Posted June 9, 2009 felt or gauze style works fine for me. Quote Link to comment Share on other sites More sharing options...
Chris Channon Posted June 9, 2009 Share Posted June 9, 2009 Hi, just literally a drop of silicone or Armor All works absolutely fine. Been doing this for years never had a problem. Regards as always Chris. Quote Link to comment Share on other sites More sharing options...
Mowerman Posted June 9, 2009 Share Posted June 9, 2009 My Junior 60 with SC52 FS has very little foam round the tank, just one layer of 'superfoam'(sticky back about 2 inches wide) and never had any problems with fuel foaming. How well is your prop ballanced? Engine firmly fitted? Any thing else loose causing excess vibration? Quote Link to comment Share on other sites More sharing options...
Matt Theron Posted June 9, 2009 Author Share Posted June 9, 2009 My tank is well padded and the engine is well secure and the prop is balanced so I think I will give the silicone a try. I presume it is a drop in the fuel can? Matt Quote Link to comment Share on other sites More sharing options...
Stephen Grigg Posted June 9, 2009 Share Posted June 9, 2009 Probably a silly question for the experts but,how do you know the fuel is foaming Quote Link to comment Share on other sites More sharing options...
Guest Posted June 10, 2009 Share Posted June 10, 2009 Armor All is a cleaner for the dashboard material in a car so presumably the stuff sold at halfords etc will be similar. as indicated above, 2 or 3 drops in a gallon of fuel is sufficiaent to suppress foaming. when i queried what armor all was , an american very kindly sent me a can - seemed to work altho have moved on in models ( euphemism for crashed the foaming model ) and no longer need to use it. Quote Link to comment Share on other sites More sharing options...
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