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New AB and a question about paints, reduction, and pressures

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  • Member since
    March 2009
New AB and a question about paints, reduction, and pressures
Posted by tony22 on Thursday, March 19, 2009 6:54 PM

Hi everybody. New here, but a long time N scale modeler and frequent AB painter. I recently lost (through a move) my Badger 200. I had used that brush a long time and knew it well, but I had wanted for a long time anyway to move to a double action gravity feed for small area work. Large background and base coat work has always been done with a single action external mix.

So I did a bunch of research and settled on the Renegade Velocity, which was just delivered today. My reasons for getting this over the Talon or an Iwata HP-C was based on a few things - I've been very happy with Badger ABs over the years, the Velocity so far seems to have gotten very nice reviews, and it also seems to be considered a great AB for the price.

My question goes to recommendations for paint reductions and pressures with a fine tip gavity feed. I use Floquil and Scalecoat solvent based paints, and Polyscale and Model Master acrylics. I tend to migrate more to the acrylics nowadays. I'm suspecting I should probably go with a more reduced mix for the fine tip plus lower pressure for the gavity feed, but would really appreciate getting user experiences with their own fine tip brushes and these paints.

  • Member since
    May 2005
  • From: Left forever
Posted by Bgrigg on Thursday, March 19, 2009 8:24 PM

Tony, that Velocity will serve you well. It's on my must get list, but since I already own a 200-20, 150 and two 100LG, my CEO tells me I should wait until the current economic conditions return to some normalcy. I may be in for a long wait!

Regardless, MusicCity has an excellent series of articles on his website. Just scroll on down to the bottom.

So long folks!

  • Member since
    March 2009
Posted by tony22 on Thursday, March 19, 2009 9:10 PM
Thanks Bgrigg. Are Golden Artist paints like either MM or Polyscale?
  • Member since
    March 2008
  • From: Steilacoom, Washington
Posted by Killjoy on Thursday, March 19, 2009 10:48 PM

Most of Golden's acrylic line are made for brushing, and are substantially thicker than either mm or Pollyscale.  Their fluid acrylics are close, but still need to be thinned about 3:1 paint to airbrush medium to effectively shoot through an airbrush.  Goldens does make a line of airbrush ready acrylic paint, and I love them!  No thinning necessary, although sometimes I add a drop of distilled water to my color cup, great dropper style bottles, and excellent color coverage from the opaques.  Only gripe is they REALLY need a primer coat, and will run right off bare plastic or metal.  This is not a problem for me as I prime everything anyway!

Good luck!

Chris

A veteran is someone who, at one point in their life, wrote a blank check made payable to "The United States of America," for an amount of "up to and including my life."

  • Member since
    March 2009
Posted by tony22 on Friday, March 20, 2009 6:34 AM

Once reduced, Chris, what sort of pressure do these paints need with a gravity feed brush?

I ran across a great web page a while back that had a very nice set of user recommendations for all the paints I use. For the life of me I can't track it down now.

  • Member since
    March 2008
  • From: Steilacoom, Washington
Posted by Killjoy on Friday, March 20, 2009 10:57 AM

I find that the goldens, much like polly scale, like low air pressure.  I tend to shoot either the reduced fluid acrylics or the airbrush line at about 10 psi, and sometimes as low as 8.  I also spray from fairly close range of 3-4 inches away. 

That being said, your results will vary greatly based on the type of gravity feed (I use a badger 100), the temperature and humidity where you are spraying, and the accuracy of your (or my) pressure gauge.

Hope this helps!

Chris

A veteran is someone who, at one point in their life, wrote a blank check made payable to "The United States of America," for an amount of "up to and including my life."

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