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Author Topic: Paint question  (Read 1619 times)

Offline Matt Colan

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Paint question
« on: May 02, 2014, 07:02:40 PM »
I'm getting ready to paint my United to hopefully be ready for Brodak's next month. The paint scheme I have planned is going to have an off gold base color, with white, black and maroon trim. Will decanted white cover over the gold without much bleed through or should I back mask the white and paint the rest of the airplane after the white?

Thanks!

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Matt Colan

Offline Tim Wescott

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Re: Paint question
« Reply #1 on: May 02, 2014, 07:08:56 PM »
They'll kick you out of the dorm for the smells!

I'm not sure what you mean by "off gold" and "decanted white".  If it's metallic gold and not just some yellowish tan, then the metallic will probably show through a bit.

If the white trim is small enough -- like stripes no more than 1/4" wide -- you can paint it over the gold and have a reasonably good chance that no one will notice (because people will see the line, not the underlying color).  If the white is any bigger than that, particularly if it's metallic gold, then it'll probably be visible.

I'd do the white first, perhaps only in the areas you need for trim, then gold, then maroon, then black.

Come to think of it, if I had time I'd try some of the maroon over gold first, to make sure _that_ doesn't show.  Maroon can be pretty dark, but it has enough red in it that it may not cover well.
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Offline Matt Colan

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Re: Paint question
« Reply #2 on: May 03, 2014, 12:28:29 PM »
Quote from: Tim Wescott on May 02, 2014, 07:08:56 PM
They'll kick you out of the dorm for the smells!

I'm not sure what you mean by "off gold" and "decanted white".  If it's metallic gold and not just some yellowish tan, then the metallic will probably show through a bit.

If the white trim is small enough -- like stripes no more than 1/4" wide -- you can paint it over the gold and have a reasonably good chance that no one will notice (because people will see the line, not the underlying color).  If the white is any bigger than that, particularly if it's metallic gold, then it'll probably be visible.

I'd do the white first, perhaps only in the areas you need for trim, then gold, then maroon, then black.

Come to think of it, if I had time I'd try some of the maroon over gold first, to make sure _that_ doesn't show.  Maroon can be pretty dark, but it has enough red in it that it may not cover well.

I'm back at home now for summer vacation. The off gold color is Brodak Gold with some Diana Cream mixed in to get the shade I want. Decanted white is Brodak white, where we let the pigment settle to the bottom and then poured off the top to increase the pigment content.

The white is going to be mostly stripes on the near the leading edge of the wing, stab, and the rudder. There is also a stripe on the fuselage and another little design on the fuselage as well.
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Matt Colan

Offline Avaiojet

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Re: Paint question
« Reply #3 on: May 03, 2014, 12:51:28 PM »
Matt,

What type of paint? Percentages of each color? Lettering / Graphics?

All of this this is related.

I would map out and draw the scheme. Decide on colors and put together a game plan as to which color is first, masking method and which color is last.

Krylon aerosol cans work great, but do have drawbacks. Quite a few actually, but it can be done with RRC's.

My ongoing experience with RRC's is an adventure to say the least. Good thing I have patients.

Your color chart is almost the same as the SKYFALL 007's.

Good luck!

Charles

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Offline Tim Wescott

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Re: Paint question
« Reply #4 on: May 03, 2014, 12:56:24 PM »
First of May seems early, even for a semester school -- oh well, everyone has their way of doing things.

Have you painted some aluminum foil or a sheet of glass with the gold to see if you like it once it's dried?

Paint over that with some of the white, the width of your trim stripes, and see how you like that.

I'm a bit suspicious of the decanting thing -- it'll make the paint weaker & hence more prone to adhesion problems, chipping, etc.  The clear coat will help with that some, but it won't fix all of it.
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Offline Matt Colan

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Re: Paint question
« Reply #5 on: May 03, 2014, 03:28:26 PM »
Quote from: Tim Wescott on May 03, 2014, 12:56:24 PM
First of May seems early, even for a semester school -- oh well, everyone has their way of doing things.

Have you painted some aluminum foil or a sheet of glass with the gold to see if you like it once it's dried?

Paint over that with some of the white, the width of your trim stripes, and see how you like that.

I'm a bit suspicious of the decanting thing -- it'll make the paint weaker & hence more prone to adhesion problems, chipping, etc.  The clear coat will help with that some, but it won't fix all of it.

There's an article in Control-Line World a few years back where Windy described how to do it. I followed the directions in that article and it worked out beautifully in my Thundergazer where it took 3 coats to cover as opposed to six or seven. I had a spot on the stab where I pulled up a piece of paint, but other than that I didn't have any adhesion issues.

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Matt Colan

Offline Derek Barry

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Re: Paint question
« Reply #6 on: May 03, 2014, 03:52:27 PM »
Usually adhesion problems come from a flawed or dirty (oily) base coat and/or not enough thinner. I think strait Brodak white would have covered but if you have already decanted the white I would just use that. The white will cover the gold, quite a bit better than you may think. When masked off it will not appear to be covering very well but once it dries and you remove the mask the contrast between the white and the gold will make it appear "white" even if it is a little off white. Personally I would spray the whole plane white or at least the areas that you plan to be white. I would then mask over them and spray the color or colors that border it. Either way I think you can achieve the look you are going for. Strangely enough white covers pretty well over other colors, better than yellows and reds...

Derek
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Offline Derek Barry

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Re: Paint question
« Reply #7 on: May 03, 2014, 03:55:01 PM »
Windy would tell you to paint it white and mask over it. He was a stickler about not crossing or painting over colors. Everything was usually back masked. Unless you are using black for trim, it will go over anything with very little effort.

Derek
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Offline Matt Colan

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Re: Paint question
« Reply #8 on: May 05, 2014, 07:18:18 PM »
Thanks Derek!! We decided we are going to paint the white on first and then back mask the white and paint the rest of the colors on.

If this turns out like I'm hoping it will, this will be a very striking paint scheme, and still look like a classic paint scheme.
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Matt Colan

Offline Allan Perret

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Re: Paint question
« Reply #9 on: May 06, 2014, 06:43:38 AM »
Quote from: Matt Colan on May 05, 2014, 07:18:18 PM
Thanks Derek!! We decided we are going to paint the white on first and then back mask the white and paint the rest of the colors on.

If this turns out like I'm hoping it will, this will be a very striking paint scheme, and still look like a classic paint scheme.

I think you are misusing the term "back mask".  The way I understand it is when back masking you would mask off trim areas before you spray white, remove the trim mask and then mask the white, and then spray the trim.  In which case you would not have a layer of white under the trim.     
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Offline Derek Barry

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Re: Paint question
« Reply #10 on: May 06, 2014, 07:47:07 AM »
Quote from: Allan Perret on May 06, 2014, 06:43:38 AM
I think you are misusing the term "back mask".  The way I understand it is when back masking you would mask off trim areas before you spray white, remove the trim mask and then mask the white, and then spray the trim.  In which case you would not have a layer of white under the trim.     

You pretty much have to have a uniform base coat, whether it be white, grey, gold... Back masking is when you never cross over colors with other colors. If two or more colors touch each other you have to spray one color then "back mask" it to spray the following color. I guess you could call the area that he masks that will remain white "forward masking" if you like.

Derek
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