Fuel proofer?

Del Piero
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22 Jan 2020 09:54 #1 by Del Piero

Fuel proofer? was created by Del Piero

Hi!
What are you guys using as fuel proofer on diesel powered models please?
I have tried a couple of varnishes, but they always seem to bubble up.

Many thanks,

Del Piero.

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paul d
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22 Jan 2020 10:06 - 22 Jan 2020 10:20 #2 by paul d

Replied by paul d on topic Fuel proofer?

Regular cellulose dope is diesel proof so is enamel and polyurethane.
It's only the either that's aggressive and that evaporates like mad! As long as the model is protected against the soaking in oil it will surely get you'll be ok.
Oh btw enamel is ok over dope if your painting some decoration but don't try it the other way round!!!
hope that helps...
I think I'm the only one here that uses diesels? dying breed!

balsa is best.

Last edit: 22 Jan 2020 10:20 by paul d.

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Del Piero
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22 Jan 2020 10:21 #3 by Del Piero

Replied by Del Piero on topic Fuel proofer?

I was essentially thinking of Solartex covered models, but thanks for the advice.

Del Piero.

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paul d
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22 Jan 2020 10:24 #4 by paul d

Replied by paul d on topic Fuel proofer?

Solartex is fuel proof on its own....

balsa is best.

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Eric
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22 Jan 2020 10:59 #5 by Eric

Replied by Eric on topic Fuel proofer?

Not always, Paul.
Depending on how it was applied, oils can seep in between the fibres. Even if it cannot penetrate the dye layer, it gets trapped in the weave, and very soon looks mucky.

if you are calm and collected when all about you are going berserk - you've missed something important!

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Del Piero
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22 Jan 2020 11:05 #6 by Del Piero

Replied by Del Piero on topic Fuel proofer?

I agree.
It really needs something, as it soon looks very messy.
I've tried Ronseal silk outdoor varnish and Wilko outdoor varnish.
On both models, this has bubbled up, particularly around the engine bay and undercarriage, hence my enquiry.

Del Pero.

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paul d
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22 Jan 2020 11:48 #7 by paul d

Replied by paul d on topic Fuel proofer?

Tex is fuel proof, granted oil can get in the weave ( scrubs off with warm soapy water) if you want to completely fill the weave then it needs filling, try enamel although the weight will build up..

balsa is best.

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Quorneng
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22 Jan 2020 14:44 #8 by Quorneng

Replied by Quorneng on topic Fuel proofer?

It is worth remembering that the 'nitro' element of glow fuel is the main constituent of all effective paint removers. Its use in paint removers is now banned in the UK. :ohmy:

Even polyurethane paints suffer over time hence the importance of removing all traces of nitro glow fuel after flying. Not easy if the covering itself is porous.

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paul d
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22 Jan 2020 15:08 #9 by paul d

Replied by paul d on topic Fuel proofer?

Del was asking about proofing against diesel Q

balsa is best.

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Quorneng
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22 Jan 2020 15:31 #10 by Quorneng

Replied by Quorneng on topic Fuel proofer?

Oooops!
Sorry, should have gone back to the original post.

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Klipkopwildlife
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22 Jan 2020 17:26 #11 by Klipkopwildlife

Replied by Klipkopwildlife on topic Fuel proofer?

However it's a perfectly relevant comment since some commercial diesel fuels do have a small nitro content. And it's useful to know!

Do it now, you may never get another chance

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old fart
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22 Jan 2020 19:14 #12 by old fart

Replied by old fart on topic Fuel proofer?

Maybe the two-part fuel proofer for example Aerokote might be a better choice.

There is nothing like a dream to create the future.

Electrickery is the work of the devil.

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paul d
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22 Jan 2020 20:55 #13 by paul d

Replied by paul d on topic Fuel proofer?

Klippy, model technics ( fuel I use) has no nitro...

balsa is best.

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Quorneng
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22 Jan 2020 23:08 #14 by Quorneng

Replied by Quorneng on topic Fuel proofer?

No nitro but according to Model Technics it does contain Isopropyl nitrate which when burnt will, to quote, produce irritating, corrosive and/or toxic gases. :ohmy:

Just as well its only at 2% concentration in the fuel.

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Flytilbroke
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Not Tired, long retired "Bob"

23 Jan 2020 09:02 #15 by Flytilbroke

Replied by Flytilbroke on topic Fuel proofer?

Paul, you are nor alone in enjoying the smell and lovely oily models. I have four little ones. love them.
I have used dope and some times polyurethane varnish as proofer.

Have a nice Day, unless I don't like you.

Thanks: paul d

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Fuel proofer?