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Mixing Paint In or Out of AB Cup?

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  • Member since
    January 2015
Mixing Paint In or Out of AB Cup?
Posted by Radial9 on Wednesday, February 25, 2015 8:38 AM

I have spent some time with the search engine trying to find discussions on this subject and have not found anything.

Do you mix your paint/thinner in your AB cup or do you mix it outside in a container of your choice? I have been thinking about buying disposable 1oz graduated plastic cups. My new Patriot 105 has a 1/3 oz cup. I know some weathering formulas call for 1:8 paint/thinner and some RLM colors are made from mixing various ratios of Tamiya paints and thinner. What measuring devices do you use, either inside or outside your AB cup? Eyedroppers, spoons, SWAG (scientific wild a$$ guess) method or other????

Also... I just finished reading Osprey's Painting and Finishing Techniques by Gary Edmunson. He promotes the idea of covering the bottom side of a light painted fuselage with clear coat or Future prior to beginning the top side of the top coat on the fuselage. He then sprays the top with Future, then covers the whole shebang with dull coat. Is this standard practice?

Thanks!!

Bob

  • Member since
    March 2003
  • From: Western North Carolina
Posted by Tojo72 on Wednesday, February 25, 2015 8:58 AM

I just got an Iwata Gravity AB a few months ago,and one of the things I really enjoy is mixing right in the cup,much easier cleanup for me.I currently use a plastic eye dropper,but plan on grabbing the disposable ones.The Vallejo and Mig stuff I use comes in the eye-dropper bottle which is great.

Your question about weathering formulas,I don't shoot them,I would apply with a brush.RLM Colors are available pre-mixed from Modelmaster and Vallejo.

That's just me,i'm sure others will chime in with their thoughts

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Wednesday, February 25, 2015 9:31 AM

That is one of the things I like about suction feed. Easy to mix in the bottles, and I can make up enough for several sessions with that color.

Don Stauffer in Minnesota

  • Member since
    December 2009
  • From: Laurel, MD
Posted by Tucohoward on Wednesday, February 25, 2015 9:48 AM

I mix everything in the airbrush. Thinner first and then add paint a little at a time until it sprays well. You will always get the right thinner/paint ratio this way. If you are mixing for color you may want to do that outside the airbrush if it's going to require more than one cup of paint, and then do as above.

Jay

The Mighty Mo says no.

  • Member since
    May 2012
  • From: Pennsylvania
Posted by pilotjohn on Wednesday, February 25, 2015 10:27 PM

I mix it in the cup also.  I can spray a bit and test my Mark 1 eyeball formula and then adjust it as needed without going back and forth.

John

  • Member since
    February 2007
Posted by mitsdude on Thursday, February 26, 2015 1:18 AM

If its a stock color I mix in the airbrush. A custom color I mix out of the airbrush in a large container. I don't trust myself being able to get an exact color again. To many variables that might cause a slight color difference.

  • Member since
    July 2014
Posted by AnalogKid on Thursday, February 26, 2015 7:29 AM

I too mix my paint in the cup (Iwata gravity feed) and put a few drops of thinner in first followed by a few drops of the color and then stir with a toothpick. I keep all of my thinners in eye-dropper bottles so transfer is easy. For Tamiya paint and similar non-dropper bottles I utilize a glass eye-dropper and immediately clean it out with tap water. For Vallejo and AK bottles the eye-dropper feature of the bottle makes transfer a bit easier/cleaner.

If I am modulating (lighter or darker shades of the original color) than I still mix in the cup – just add a drop of black or white depending on the direction I’m going. If I am mixing to a particular shade or a totally new color I will mix outside the cup in a painting pallet and then mix in the cup per my technique above: thinner first then transfer the mixed color to the cup with an eye-dropper and a final stir with a toothpick.

-Len

  • Member since
    February 2014
  • From: N. MS
Posted by CN Spots on Thursday, February 26, 2015 1:14 PM

I bought a Patriot back in the summer.  I do about the same as Mistdude. Straight colors go in the brush, mixes are done outside.  That way if I mess up I can dump out the mix and not have to clean gunk out of the brush.   If I mix it outside I use a thimble for small batches or a new, empty glass bottle for large batches that I will use on later painting sessions.

  • Member since
    October 2006
Posted by JunJon on Thursday, February 26, 2015 8:27 PM

I do both. I mix the paint in the AB if painting a small scale (say 1/72) model.

But if painting a 1/350 starship enterprise. Then the paint should be mix in a jar.

Surely you will do the same thing in the future. Its unavoidable.

  • Member since
    December 2011
Posted by Chrisk-k on Thursday, February 26, 2015 11:11 PM

I mix in LDPE dropper bottles and transfer my custom mixes to my gravity-feed Iwata ABs.

Iwata HP-CS | Iwata HP-CR | Iwata HP-M2 | H&S Evolution | Iwata Smart Jet + Sparmax Tank

  • Member since
    October 2007
  • From: Scotland
Posted by Milairjunkie on Friday, February 27, 2015 6:57 AM

I'm an outie!

Always thin / mix into an empty Tamiya jar or the likes, transferring into it with an oral syringe or pipette & then pouring into the cup.

I find that I'm not particularly good at judging by eye, especially when it comes to the awkward colours that typically require some tweaking from the regular ratio, 60/40, 70/30 or whatever are easier done with 6ml of this & 4 ml of that. I wouldn't be able to discriminate between 50/50 & 60/40 in the cup...

  • Member since
    November 2014
Posted by BLACKSMITHN on Friday, February 27, 2015 8:29 AM

I find that when I try mixing it in the brush, a clump of pigment always seem to find a nook or cranny to nestle in which I can't reach to fully integrate it with the thinner. Through trial and error, I've learned to always mix outside.

  • Member since
    August 2010
Posted by flyinyak on Sunday, March 1, 2015 7:21 PM

Paasche H, mixed in the cup, unless I need large quantities for a large model.

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Monday, March 2, 2015 9:41 AM

For mixing colors, one help is to pick up a book on beginning oil or acrylic painting (artist-like).  Many of these books have good chapters on mixing colors, and use of a color wheel.

Don Stauffer in Minnesota

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