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Old Aug 10, 2004, 07:46 PM
JAM
MaxAmps CMO
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Nine Mile Falls, WA
Joined Jun 2004
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What paint should be used on balsa sheeting

Whats the best and lightest paint I can use to finish my Balsa sheeted P-51. Or are there some other ways to do this with out adding a whole lot of weight.
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Old Aug 11, 2004, 02:04 AM
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Telford, UK
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I'd go for a plastic film such as Solarfilm. Any particular reason why you'd plump for paint?

tim
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Old Aug 11, 2004, 07:10 AM
AndyKunz's Avatar
Illinois
Joined Sep 2001
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I prefer filling the grain with light spackling first, then a traditional nitrate/filler mix, then nitrate, then color, then (if gloss preferred) clearcoated. All sprayed and wet-sanded between coats.

It takes a little time, but less than a good film covering.

If you are doing a camo scheme and don't mind a little grain showing, you can do it real light real quick - like these:





Andy
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Last edited by AndyKunz; Aug 11, 2004 at 07:14 AM.
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Old Aug 12, 2004, 06:08 PM
JAM
MaxAmps CMO
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Nine Mile Falls, WA
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Andy what brand of paint and type . Thanks
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Old Aug 17, 2004, 03:23 AM
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Kill Devil Hills, NC
Joined Jun 2002
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What paint on balsa sheeting?

Andy, On your post you said, "I prefer filling the grain with light spackling first, then......"

Does the spackling ADHERE to bare balsa? I'll be doing this very soon, BUT hope that it works better than with my experience on using it to repair STYROFOAM! On the styro, the spackling does NOT adhere, curls up onto the back of my applicator (cut from an old credit card). I've tried thinning it with water, beer(!), WBPU, white glue (for strength), RC-56, etc., with no improvement.

Again, does the stuff STICK to the balsa? Also, do you thin it?

Virg.
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Old Aug 21, 2004, 11:57 AM
AndyKunz's Avatar
Illinois
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It sticks just fine. Sand it lightly to take off the excess.

You got a PM too.

Andy
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Old Aug 21, 2004, 03:00 PM
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Jacksonville, IL
Joined Dec 2002
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Depending on how thin and weak the balsa is, you can thin spackling with water to a "slurry" solution--one you can brush on, but barely. You will have a thick coat, but you are going to sand it all off anyway, leaving only enough to fill the grain. Then very carefully (I use an airbrush) spray some sort of a dusting coat of primer or clear to "set" the spackling; I find that brushing will lift it our of the grain, defeating the purpose. Rough up a bit with very fine sandpaper (I use 400 wet-or-dry if I have any handy), then paint as thin a color coat as you can. This makes for a pretty lightweight finish. For electrics, I would spray acrylics. Good luck, Dzl
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