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whats the secret to using a wash

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  • Member since
    September 2013
whats the secret to using a wash
Posted by Vince on Saturday, November 23, 2013 7:23 PM

I'm tried of messing up my paint job using a wash to highlight panel lines. I've read many articles tried different techniques but typically the wash will affect my primary color. On my latest mess my A-4M called for white gloss on the bottom of the plane. I used MM enamel. I assumed since the surfaces was glossy that I didn't need to apply a gloss top coat. My wash is a simple mix of acrylic drk gray + water + soap. Apply leave on for 15 min and wipe off.
You would think this is a simple task I read lots of folks using but when I try it my nice white paint job gets blotches of discoloration that the wash doesn't wipe off. only option i have is to repaint.
All i want to do is highlight the panel lines and give it some depth. Nothing fancy.
What works for you guys? What could I be doing wrong?

Thanks,

  • Member since
    March 2003
  • From: Western North Carolina
Posted by Tojo72 on Saturday, November 23, 2013 8:02 PM

A good gloss coat really seals it in and protects the paint.I found the Future Floor Wax really does the job.And as for the wash,you gotta try this stuff, www.florymodels.co.uk/washes

works great,and easy to use,you can get it from spruebrothers in the states

  • Member since
    July 2004
  • From: Sonora Desert
Posted by stikpusher on Saturday, November 23, 2013 8:07 PM

Here is the US, Pro Modeller wash works in the same manner and cleans up easily enough. Dissimilar layers also help. On top of the enamel, I usually use Future, and then if I am not using PM wash I use enamels- usually MM Burnt Umber in most cases.

 

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  • Member since
    April 2006
  • From: ON, Canada
Posted by jgeratic on Saturday, November 23, 2013 8:41 PM

According to this article, Flory and Promodeller washes are one in the same?

http://www.aircraftresourcecenter.com/Rev2/1901-2000/rev1972-Promodellers-wash-Wood/00.shtm

-----------------------------------------

Couple things that might be causing problems with home made washes:

1.) - the gloss coat or paint hasn't fully cured, and the wash becomes imbedded into the surface.  Someone once said, if you can smell it, it's still drying.

2.) - acrylic paints are not all the same, and some brands might be more "hot" than others - who knows what chemical ingredients are reacting to the gloss underneath.

regards,

Jack

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Sunday, November 24, 2013 11:50 AM

I see many panel lines done to dark anyway.  Do other weathering and let panel lines go until you are truly expert.  Maybe start panel lines only around removable panels.  A plane has to be really a beater to show much around non-removable panels.

Don Stauffer in Minnesota

  • Member since
    December 2011
Posted by Chrisk-k on Sunday, November 24, 2013 1:55 PM

IMO, acrylics are terrible for washes because once they dry, it's difficult to remove them, as in your case.

Use artist oil paints instead. They are fool-proof because they are slow drying and they are super easy to remove if you don't like the result.

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  • Member since
    April 2006
  • From: ON, Canada
Posted by jgeratic on Sunday, November 24, 2013 2:56 PM

Chris makes a good point - most acrylics are water mixable, but once dry it will take something stronger to rejuvenate them  in order to wipe them off.

Another thing to try is less drying time, and more accurate application of the wash, aka pinwash, so there is only minimal cleanup.  Rely on capillary action to fill in the lines.

regards,

Jack

  • Member since
    September 2013
Posted by Vince on Monday, November 25, 2013 9:37 AM

Your comments have been helpful. I suspect that maybe I am not waiting long enough after applying the gloss coat. I have tried both Future and a Acrylic gloss. I do have another question. Since we should have dissimilar coats i.e. Acrylic over enamel. Does this apply to the clear coat? I paint with enamel and then seal with acrylic clear then apply decals and attempt weathering and for a final clear I again use acrylic flat clear. I have tried artist oils and artist acrylic oils but have not had good luck. I'm assuming the rule of dissimilar also applies with the artist oils? Maybe once the clear coat is completely dry either enamel based or acrylic it does not matter what I use for weathering?

thanks,

  • Member since
    December 2002
  • From: NYC, USA
Posted by waikong on Monday, November 25, 2013 4:03 PM

Yes, this should apply to weathering over clear coats. Thinned oil paint will attack an enamel coat. While a future coat is pretty tough, it's still possible to damage it with acrylic paint, especially with lots of thinner.

I see from the comment that you use the 'sludge' wash method. You can try just dipping a small amount of paint into the panel line and let capillary action to draw the wash in. Much less clean up to do. This is my preferred method (oil over future) as its gives me more control, but it is more time consuming.

  • Member since
    February 2011
  • From: Ontario, Canada
Posted by gunner_chris on Monday, November 25, 2013 4:28 PM

waikong

Yes, this should apply to weathering over clear coats. Thinned oil paint will attack an enamel coat. While a future coat is pretty tough, it's still possible to damage it with acrylic paint, especially with lots of thinner.

I see from the comment that you use the 'sludge' wash method. You can try just dipping a small amount of paint into the panel line and let capillary action to draw the wash in. Much less clean up to do. This is my preferred method (oil over future) as its gives me more control, but it is more time consuming.

Would India ink fall in the oil category?

  • Member since
    September 2013
Posted by Vince on Tuesday, December 3, 2013 10:07 PM

I gave the Flory wash a try and it worked very well. I suspect my original issue was that I was not waiting long enough for the clear coat to dry before applying the wash. Someone did mention that not all acrylic paint are the same. I think the inexpensive paint I purchased to make my wash contributed to my  headache. I'm sure others have had good successes with their method of weathering but the Flory wash was the easiest I have used and it will be my preferred method for weathering.

  • Member since
    March 2010
  • From: MN
Posted by Nathan T on Tuesday, December 3, 2013 10:40 PM

I've never had any luck using any bottled hobby paints for washes. I only use Flory's aka Promodeller, or oil tube paints. Everytime I use oils I'm just completely blown away on how easy they are to use and blend in, and then wipe away when you're done. You do want to make sure your gloss coat is dry before doing a wash, otherwise the wash will soak into and stick to the gloss coat, to be never wiped off again. They key to making your own washes is good paint and finding the right thinning ratio.

 

 

  • Member since
    February 2003
  • From: Cameron, Texas
Posted by Texgunner on Wednesday, December 4, 2013 9:14 AM

I'll mention one thing to watch out for with the Flory washes.  Do not contaminate the wash with any solvent or object used with solvent, ie. a stirring stick or brush.  The solvent will ruin the wash; it will "separate" and never behave right again...amhik  Just sayin'...Smile

Gary


"All you mugs need to get busy building, and post pics!"

  • Member since
    June 2013
  • From: Bay Area, CA
Posted by Reaper420 on Wednesday, July 23, 2014 3:22 PM
+1 Don. People tend to over exaggerate panel lines. Like you said maybe dark around panels that are often taken off, but not the whole plane. I have been to many air shows and seen every a ton of different planes, propeller and jet and panel lines are not as visible as people tend to think. Plus in the real world, there are not huge gaps between panels as depicted on models. Panels are flush together thus not really allowing an extreme build up of grime. Now granted if the planes is old and sits out in the elements all the time and is never washed, then yeah the panel lines are going to be more visible, but not midnight dark. I tend to model my panel lines very light, to the point that they are almost not visible, but juuuuust enough to hint at seperate panels when you inspect the model. Thats the most realistic way to do it in my opinion.

Kick the tires and light the fires!

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