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sandbag23(at)msn.com
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 Posted: Fri Mar 30, 2007 12:14 pm Post subject: Paint |
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No metalflake. A hand-made mix of PPG Aerospace paints.
| Quote: | If there is no metallic in the blue, it will be a lot easier to
match the color.
Gary
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aa1bflyboy(at)msn.com
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| Posted: Fri Mar 30, 2007 2:41 pm Post subject: Paint |
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Ah, this I wasn't happy to hear. I was hoping to do some paint work on my
cowl which is painted a dark metalic blue. What's the best way to tackle
this then?
If I'm right I have no need to be angry;
If I'm wrong I have no right to be...
Steve Roberts - AA-1B N9664L (at) ILG
| Quote: | If there is no metallic in the blue, it will be a lot easier to
match the color.
Gary
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GrummanDude
Joined: 15 Jan 2006
Posts: 926
Location: Auburn, CA
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| Posted: Fri Mar 30, 2007 8:07 pm Post subject: Paint |
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The biggest problem with metallics is that the metallic particles never
lay down the same way twice. Another problem is, the metalic that was
used to paint the first time will have different characteristics than
the paint you use the second time. For example, if you painted with a
metallic paint made by PPG (or anyone else) last year, and bought the
exact same paint in the same quantity today and painted it eaxclty the
same, it would be close, but, a good eye can see the difference.
There are a couple of tricks to hide the differences.
(1) Well, first, I hope you didn't come to this site looking for
political correctness. . . . Doing a Mexican blend can help to hide
some of the differences in the metallics. OK, so, what's a Mexican
blend. For a Mexican blend, paint the area you need painted, then,
add about 20% clear to the paint (sometimes, adding reducer will work),
fog into the rest of the panel about 25% of the way, add 50%
clear/reducer to that, fog to about half way, add more clear/reducer
and repeat until all you're shooting is basically clear. By far the
toughest 'fix' I ever did was a door on a 67 El Caminio. It had been
painted in dark metallic brown Imron. The paint was about a month old.
Neither I or Big John, one of the best painters I ever met, could get
the door to match. We ended up painting the entire side of the car in
a Mexican blend.
(2) Painting to a body-line will fool the eye into thinking it's a
different light reflection. The hard part is painting to the edge
without leaving an edge.
(3) Repaint the entire panel
What portion of the cowling is it that you need to paint? Often,
leaving the panel chipped or unpainted looks better than a bad paint
job.
If the paint is chipping from poor prep, well, strip the entire part
and repaint the whole thing.
==========
On a similar note, my plane was painted with a scuff a shoot. All of
the original paint is underneath. The prep was average. The first
time I flew in the rain, a large portion of the paint chipped off the
leading edge on the left wing. I'm currently in the process of
replacing the windshield. The coving around the windshield looks
pretty good for the most part. Still, a lot of paint chipped off when
I was removing the windshield. The previous owner drilled holes and
put snaps all over the place for a canopy cover: so, there are 5 holes
in the area around the base of the windshield. Brilliant. Mine is
painted a metallic red. It's a standard Imron color. In fact, I
painted my cowling with the same color. it's close, but not exact.
So, should I strip the entire area at this point and prime it for
future paint or just leave it until that time? I'll probably just
leave it.
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Gary
AuCountry Aviation
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GrummanDude
Joined: 15 Jan 2006
Posts: 926
Location: Auburn, CA
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| Posted: Fri Mar 30, 2007 8:22 pm Post subject: Paint |
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Was your VW a custom mix also?
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| | - The Matronics TeamGrumman-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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_________________
Gary
AuCountry Aviation
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