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Paint pebbling in wing root

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  • Member since
    September 2014
Paint pebbling in wing root
Posted by rooster513 on Tuesday, August 9, 2016 7:05 AM

Hello all! I'm sure this has been discussed before, but I was spraying Testors Glosscote and had some of the paint pebble in the wing root. I believe this is caused by the paint swirling and drying before hitting the surface. So my questions are..

1) what's the best way to fix it? It's not too noticable but if you look close it's defiantly there.

2) What's the best way to prevent it from happening?

Thanks for the feedback!

-Andy

  • Member since
    February 2003
  • From: Cameron, Texas
Posted by Texgunner on Tuesday, August 9, 2016 7:32 AM

Rooster, I've had that happen too.  It will help to not spray into the wing root, but rather start there and spray toward the wingtip.  Or, start at the wingtip and stop a bit short of the 'root.  The spray back into the wet area from the direction of the wingroot.  You might try that if you haven't already.  Good luck!

Gary


"All you mugs need to get busy building, and post pics!"

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Tuesday, August 9, 2016 8:31 AM

For fixing it, sand the pebbles with a small piece of very fine wet or dry sandpaper- maybe 1000 grit.  Then recoat.  Much as I love Testors Glosscoat, spraying from cans can be tricky.  Make sure the sprayhead works smoothly so you can make very quick blasts when you need to.

I do find it amazing how self-leveling it is.  Consequently, I tend to err on too thick a coat rather than to thin.

Another possibility is to clean up the dull area where you sanded by rubbing on future with a clean, soft rag.  Build up the layer of future till you get a gloss.

 

Don Stauffer in Minnesota

  • Member since
    September 2014
Posted by rooster513 on Tuesday, August 9, 2016 9:15 AM

Thanks Gary and Don! I'll try sanding down the area and respraying as Gary suggested.

Don - it was actually Testors out of the jar thinned with Lacquer thinner. I had this happen some when spraying the flat coat (Testors Dullcote) on the cockpit, but this time I thinned it more in case it was drying before hitting the model. The rest of the plane looks ok, just the wing root this time.

-Andy

  • Member since
    September 2014
Posted by rooster513 on Wednesday, August 10, 2016 7:03 AM

Don,

     I hit the wing root with some 1000 grit wet sandpaper and it cleaned up beautifuly. I liked the results so much that I went over the rest of the model with 1000 & 4000 grit wet sandpaper to smooth the surface more for decaling. I had some slivering problems on my last build (they were Tamiya decals so that may have been part of it), so I'm hoping this might prevent that.

Thanks again for the tip!

-Andy

  • Member since
    January 2009
  • From: hamburg michigan
Posted by fermis on Thursday, August 18, 2016 6:50 PM

I'm with Tex...had the same problem...used the same "fix".

Anyway, you're past that...so...friendly tip...

Since you're using lacquer anyway...I used to use Testor gloss too, then found it to be CONSIDERABLY cheaper to buy a quart of Minwax Gloss Lacquer. I saved my Testors/Model Master bottles and just refill em when needed. Thin with regular lacquer thinner. I bought the quart, probably 5 years ago...not even half way through it yet...almost 200 builds out of it so far! No issues!

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