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Airbrushing for the first time: The paint hits the model then runs!

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  • Member since
    November 2005
Airbrushing for the first time: The paint hits the model then runs!
Posted by Anonymous on Wednesday, September 28, 2005 3:05 PM


I have a Badger 155. I experimented for a while and felt comfortable using the brush....so I switched from the blue I used to practice with on cardboard to a practice model with buff ( both from Tamiya). I thinned about 30% paint, 70% windex.

It seems the paint hits the model, then runs. I understand if you get spider splatter you are too close, so thats not the problem. I experimented pulling back, being close, spraying a little and trying to build up color to spraying alot and I am getting the same results...the paint hits the model and doesn't adhere...it beads on the model and runs, or gets spread by the air from the rest of the paint hitting the model.

What am I doing wrong? Thanks for any advice.

Keith
  • Member since
    November 2005
Posted by Anonymous on Wednesday, September 28, 2005 3:10 PM
Keith-your paint is probably too thin and/or is being laid on too thick. Your ratio seems a bit heavy on the thinner side. Also-don't practice or cardboard-use something non-porous so you get a feel for spraying plastic. Also-clean your model with a degreaser like 409 or Windex.
  • Member since
    September 2005
Posted by nathaniel on Wednesday, September 28, 2005 3:18 PM
It's definitely too thin. You might also find thinning with 91%+ isopropyl alcohol works a bit better for Tamiya as well. You should be able to get it at any drugstore, walmart, etc.,. Try thinning closer to 50-50. Perhaps even more paint. Also, if you do get isopropyl alcohol, skip the 70% stuff-- it's not nearly as good as the 91 or higher for thinning.
  • Member since
    February 2004
  • From: Canada
Posted by RichardI on Wednesday, September 28, 2005 3:30 PM
Keifer0999: I use Tamiya paints and I thin using their X20A thinner with a ratio of 2:1. 2 parts paint to one part thinner. 70% thinner is definitely too thin for a cover coat. I have also found that thinning with anything water based will make Tamiya paints run. Either get some of their thinner or switch brands.
If you do use Tamiya and their thinner (or alcohol will also work) you should add a drop or two of retarder to each paint cup.
Rich Cool [8D]

On the bench: 1/48 Revell PBY Catalina 0A-10A. Next up: Moebius 1/24 Chariot from Lost in Space.

  • Member since
    November 2005
Posted by Anonymous on Wednesday, September 28, 2005 4:22 PM
QUOTE: Originally posted by RichardI

Keifer0999: I use Tamiya paints and I thin using their X20A thinner with a ratio of 2:1. 2 parts paint to one part thinner. 70% thinner is definitely too thin for a cover coat. I have also found that thinning with anything water based will make Tamiya paints run. Either get some of their thinner or switch brands.
If you do use Tamiya and their thinner (or alcohol will also work) you should add a drop or two of retarder to each paint cup.
Rich Cool [8D]


Just a general thanks to you all. I went with a more even mix, and my results were alot better. I have the X20 thinner...I'll use that on my next training session. I'll also get some alchohol. I live in the sticks and I want to be able to use supplies I can get quickly, or I'll have to stockpile which I'd rather not do.
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