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Airbrush Overspray

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  • Member since
    January 2003
  • From: Peoples Socialist Democratic Republic of Illinois
Posted by Triarius on Wednesday, August 27, 2008 2:19 PM
As Phil said, if the paint is sufficiently mixed, the gloss should be constant. However, paints reduced for airbrushing may settle or separate in the paint cup, producing variations in gloss. This effect can be worsened if the thinning solvent is marginally compatible with the paint.

Ross Martinek A little strangeness, now and then, is a good thing… Wink

  • Member since
    November 2007
  • From: Potomac Falls, VA
Posted by darth_trader on Wednesday, August 27, 2008 1:48 PM

While I was spraying the last masks, I set the pressure to low & the needle to just above fine, went over the "shiny" areas, that did the trick.

By no means am I ready to enter this model into a competition, but at least lightly spraying over the shine made it look flat again.

  • Member since
    November 2007
  • From: Potomac Falls, VA
Posted by darth_trader on Wednesday, August 27, 2008 8:51 AM

Hello Phil,

Thank you for the quick response.

I'm using MM enamel (dark sea blue) for the top cote.  The base styrene color is gray.

I appreciate the suggestion, I have to spray one more light cote of dark sea blue over my curved masks on the side.  

After this last spray with the AB, I will take my chances with the future.

Thanks again Smile [:)]

  • Member since
    August 2005
  • From: Sydney, Australia
Posted by Phil_H on Wednesday, August 27, 2008 7:52 AM

If you paint has been thoroughly and sufficiently mixed, the sheen (whether flat or gloss) should be uniform across the entire sprayed area. If you are working with a  flat paint, it should remain flat, regardless of the thickness of the coat applied.  

If there are no apparent runs or patches and you are going to glosscoat/Future anyway, I wouldn't really worry about it because it will be flat-coated after decalling anyway.

What brand and colour of paint are you using?

EDIT: It just occurred to me that if the base styrene colour and the colour you're painting are similar, it might simply be a case of insufficient coverage, allowing the gloss of the underlying surface to show throiugh.

  • Member since
    November 2007
  • From: Potomac Falls, VA
Airbrush Overspray
Posted by darth_trader on Wednesday, August 27, 2008 7:40 AM

For those of you who frequent the "painting & airbrushing" forum, my aplogies for loading these boards with questions...but you're the only ones that I can turn to!!! Boohoo [BH]

I'm new to airbrushing & currently working on a F4U Corsair with a tri-color paint scheme.  I have completed the belly (white), sides of the fuselage (light blue), & just painted the rest of the a/c with a dark sea blue.  My first 2 colors went on well, nice & smooth, nice feathered edges.  However, I think I may have oversprayed the dark sea blue.  A few areas on the a/c have a glossy sheen to it.  It should be flat.  I don't have any paint marks (bubbles, peels, etc.), just a sheen in 3 or 4 spots.  Should this be thinned out somehow?  It has cured, will spraying a light cote take that sheen away?  Or am I worried for nothing since I will spray with Future after my last few masks have been sprayed over?

Once again, your suggestions are much appreciated.

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