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23092 Views 64 Replies 24 Participants Last post by  Richard Johnson
I don't know if this is a topic we have discussed before however it seems like a good idea to bring any thoughts, hints and tips on the subject together in one thread.

Several thin coats are much better than one or two thick coats and a priming coat is always a good idea no matter which material is being painted.

It is a good idea to obtain a large card box and create a spray room within it with a turntable upon which you can place the subject. This keeps the paint within a contained area and being able to turn the model rather than you having to work your way around a static model makes airbrushing more manageable.

Why don't a few of you give it a go on an old loco body that is a bit tired?

You may be able to create that loco that you have always wanted but which the manufacturers always seem to overlook!

And of course airbrushing works well for scenic backdrops, buildings and other model railway subjects. You can practice on a cheap Dapol kit before progressing to something more expensive.

Happy modelling
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*** Hi Terry - AFAIK nobody was shot.... Never even drew the gun :).

(Doop - edited to fix that misnaming - sorry Trevor)

Nuffin to do wiv me guv.

I think you mean Terry
So whats the reason with using distilled water for mixing acrylics instead of tap water? And what does the IPA do?

I went to my local model shop yesterday who had a bloke there doing an airbrush workshop. He was using Tamiya paints on some small model tanks. I found the actual painting easier than operating the I'm going to be starting out using acrylics as I like the idea of them. This may change (or not) later when I get more experience but in the meantime I've chosen Vallejo paints. I know that all paints, airbrushes and uses are different but does anyone have a general rule of thumb for thinning these paints?
Consistancy I've been shown but how to reach that consistancy that's the question.

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the distilled water stops the paint going off if your mixing a batch and want to store it, tap water will go stale and stagnate, The drop of IPA helps the paint dry quicker and to a certian degree help it atomise

tamiya paints a pain to clean up. strip the brush down and clean with brush cleaner

thinning wise, if its too thick it will spit and block the jets, too thin and it wont cover properly its one of those trial and error things tbh you mix to suit your style of airbrushing and the sort of work your doing
*** The IPA/alcohol also aids flow far better than detergent..... flow through the airbrush AND paint flow into a smooth coat when it hits the model....actually thats the most important reason for adding it!

You will find that an alcohol based window cleaner like "windowlene" or similar is really good for leaning the airbrush when painting with acrylics

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