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Thinning paint for brushes

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  • Member since
    November 2005
  • From: White Mountains, NH
Posted by jhande on Thursday, March 30, 2006 11:35 PM
Glad I was able to offer a useful tip Jon.  Smile [:)]

A good brush can make all the difference in the world. I'd even try a good brush before trying any thinning process.

Good luck and let us know how you make out.



-- Jim --
"Put the pedal down & shake the ground!"

jwb
  • Member since
    February 2006
  • From: Parkton, NC
Posted by jwb on Thursday, March 30, 2006 6:16 AM
Thanks for all the tips. I'm going to try each of them out on my next project- a 1/72 Academy Hurricane IIc.

The guy at the LHS gave me a tip on his method. He puts a little bit of airbrush thinner in a small cap/container/something, and dips the brush in it. He wipes off the excess against the container wall, then dips in the paint. He said he favored that over mixing because he never had left over paint- or ran short.

So I'm going to give 'em all a try. :-)

And the tip about using good brushes was a good one, jhande. I was using the Testor white brushes..... I'm gonna spend a few more dollars and get some better ones. I'd forgotten what a difference that made 20+ years ago.

Jon Bius

AgapeModels.com- Modeling with a Higher purpose

"For I know the plans I have for you," declares the Lord, "plans to prosper you and not to harm you, plans to give you hope and a future." ~ Jeremiah 29:11

  • Member since
    May 2004
  • From: Singapore
Posted by albert_sy2 on Wednesday, March 29, 2006 10:12 PM

Myelf I use Tamiya acrylic paints with a 50:50 paint to thinner ratio. Dip your brush in the mixture and then dab the brush ONCE on a convenient place (like a rag or the edge of your paint pallette) to remove the excess paint on the brush tip. THEN apply the brush to the model. This will minimize your brush marks and not only that, the paint can be brushed over again without leading to brush marks because the paint is so thin. Do the brush-over sparingly, though.

Let the paint dry before applying another coat on top. For acrylics it can be as little as 10 minutes!

Groovy baby
  • Member since
    November 2005
  • From: White Mountains, NH
Posted by jhande on Tuesday, March 28, 2006 4:19 PM
 jwb wrote:
Any brush painter's out there with words of wisdom?


Hey Jon, I'll try to help by sharing what I have always done using enamels, yes Testors mostly. It's worked for me since I was a kid modeling back around 1966'ish so I don't have exact mix ratio info. I build car models and spray the bodies by can (soon with my AB Wink [;)] ) but I brush everything else.

  • First I start with somewhat fresh bottles of paint [I have some that lasted for years, but we won't go there LOL].
  • I stir them thoroughly with a toothpick, digging down to the goo on the bottom of the bottle.
  • Here's a helpful tip, but not easy to figure out. Find a color/bottle of paint that spreads and settles smooth for you if you can. Experiment on plastic milk jugs or the like.
  • I add drop by drop of oderless mineral spirits/paint thinner to the "too think to brush with" paint. Stirring each drop in with the toothpick. I then watch how it drips and sticks to the toothpick. Here's were having a bottle of paint helps out, you can match the drip properties.
  • It usually doesn't take more than 2 to 4 drops of thinner per new full bottle to get it "thin" enough to flow and settle right.
  • I found that you have to do the above on a per bottle basis as each color or bottle seems a bit different.
  • When practing on the milk jug, watch as you apply the paint (not too dry of a brush and not dripping with paint either), it should flow with the push of the brush, but not all over on it's own.
  • The less you work the paint with the brush, the smoother the finish should be also. I usually use one continuous brush stroke. If the area is too long to cover in one pass, over lap slightly while it's still fresh and wet.
  • Almost forgot, use a good quality brush. I use natural fiber, soft bristles, not those little white Testor brushes with hard nylon strings for bristles.
Hope that kind of helps.


-- Jim --
"Put the pedal down & shake the ground!"

  • Member since
    January 2004
  • From: USA
Posted by MusicCity on Monday, March 27, 2006 8:53 PM

An airbrush, just like a paint brush, is only a tool and nothing more.  It's the hand that provides the talent and ability.  I've seen hand brushed paint jobs that looked like they were airbrushed and I've seen airbrushed paint jobs that looked they were done with a brush.  It all depends on the person.

I highly recommend an airbrush, they are invaluable tools to me, but at the same time I have a lot of admiration for people who can create a good paint job with a hand brush.  I can't do it and I wish I could.

You can get good paint jobs with a brush, but it will take practice.  So will an airbrush.  If you want an airbrush then by all means go for it.  Just don't discount a good hand brush and don't think that an airbrush is the answer to everything.  Practice is what will get you there.  Get some old milk jugs or soft drink bottles and pretty them up.  They make for good practice.

Scott Craig -- Nashville, TN -- My Website -- My Models Page
jwb
  • Member since
    February 2006
  • From: Parkton, NC
Posted by jwb on Monday, March 27, 2006 8:12 AM
 MusicCity wrote:
Take a look at This Page here on FSM.  It has a link to the "Basics Of Brush Painting" and might help you out a lot.  I don't brush paint anything except small details, but getting the paint to the right consistency is the key, I think.  It has to be thick enough to cover and thin enough to level itself out.


Thanks, MusicCity. I read that over, it said "Thin the paint only if necessary to get it to flow smoothly on the part." Hmmm....

Any brush painter's out there with words of wisdom?

Might need to do a little 'sperimentin'. Can't make the P-40 look any worse. :-)

Sounds like I need to save up more quicklier for that airbrush...... I watched a video on air brush technique and man did that finish turn out good. 'Course- I've seen good brush finishes too..... so none of it comes easy.

Jon Bius

AgapeModels.com- Modeling with a Higher purpose

"For I know the plans I have for you," declares the Lord, "plans to prosper you and not to harm you, plans to give you hope and a future." ~ Jeremiah 29:11

  • Member since
    January 2004
  • From: USA
Posted by MusicCity on Sunday, March 26, 2006 8:23 PM
Take a look at This Page here on FSM.  It has a link to the "Basics Of Brush Painting" and might help you out a lot.  I don't brush paint anything except small details, but getting the paint to the right consistency is the key, I think.  It has to be thick enough to cover and thin enough to level itself out.
Scott Craig -- Nashville, TN -- My Website -- My Models Page
jwb
  • Member since
    February 2006
  • From: Parkton, NC
Thinning paint for brushes
Posted by jwb on Sunday, March 26, 2006 8:12 PM
One of the "joys" of getting back into building are those "oh yeah" moments.....

I'm finishing up my 1/72 Academy P-40N, and I was brush painting the wings/fuselage. The first coat went on OK, but didn't cover really well. As it dried, I realized the paint looked "thick"...... just awful. Being a hard-head, I thought "It'll settle after it dries a while." Well, it didn't.

So I thought "Maybe a second coat."

A few minutes and one ruined P-40 later, I realized "Maybe I'm doing something wrong."

Coincidentally, I just got through reading Swanny's post on essential tools, and he mentioned thinning paints....

And I bet that's what I need to do. Don't recall doing it years ago, but it was 23 years.

So I need to thin the paint? What ratio? Should I expect to do several coats?

And should I avoid the basic Testor's paints? I do recall I didn't like them years ago. Wasn't there a paint called Pactra?

Any suggestions for brushing would be appreciated. (Still saving up for that airbrush....)


Jon Bius

AgapeModels.com- Modeling with a Higher purpose

"For I know the plans I have for you," declares the Lord, "plans to prosper you and not to harm you, plans to give you hope and a future." ~ Jeremiah 29:11

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