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Old 08-27-2021, 04:08 PM
kjowen's Avatar
kjowen kjowen is offline
Join Date: Mar 2012
Location: Marietta, GA
Posts: 155
Default Blending Paint of Wheel Pants

I have had some cracks in my wheel fairings for some time now.
This month I decided to repair with some fiberglass work and repaint a portion of the fairing. I am having problems with the blending of the paint. I have looked on YouTube, but can only find info on two stage blending, the white used on my -10 is one stage. I have tried some blending but ended up with orange peel at the taper...
No taper leaves a definite paint line.
Can anyone share some tips with me?
I have included shots including my paint gun and paint.
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Ken Owen
Marietta, GA
RV-10, N471BG
RV- 8, N297DW, (sold)
RV- 8, Build in progress

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Old 08-27-2021, 07:13 PM
Bandera Bandera is offline
Join Date: Feb 2021
Location: Gainesville, Tx
Posts: 39

For something that small I would just paint all the white. Itís only a couple minutes more masking. Jet Glo is not the easiest paint to do a blend with. It can be done but it takes equal helpings of luck and experience.
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Old 08-27-2021, 08:23 PM
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PaulvS PaulvS is offline
Join Date: Aug 2019
Location: Western Australia
Posts: 713
Default Blendiing

Have you tried wet sanding the blended area using progressively finer grit, e.g. 600, 1200, and then polish? It should be possible with single stage polyurethane to get a reasonable, though maybe not perfect blend, for that location (which is going to get dirtied and probably a bit scuffed up anyway).
The paint should not be sprayed right up to the edge of the masking tape like in the photo if you want to get a feathered smooth blend.
Paul vS (yes I'm also a Van)
Building RV-6A #22320 O-320 FP. Wings and tail complete, working on fuselage
Flying my Aeroprakt A-22 STOL and the aero club's RV-9A while I build
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Old 08-28-2021, 01:51 AM
penguin penguin is offline
Join Date: Jan 2005
Location: England
Posts: 1,115

Wet sanding is the only way I know to successfully blend the paint. Mask at least an inch greater than you need, scotchbrite, paint (feather the edge as PvS said), leave as long as possible (several days), and rub gently with hard block and then soft block. It will take a while to learn to do it well. A spat is not the easiest thing to learn on. I would paint all the white as Bandera suggested and then lose the line (sand with 1200 & polish). But its only a spat, spend a few minutes and move on!
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Old 08-28-2021, 09:11 AM
lr172 lr172 is offline
Join Date: Oct 2013
Location: Schaumburg, IL
Posts: 6,537

Originally Posted by Bandera View Post
For something that small I would just paint all the white. Itís only a couple minutes more masking. Jet Glo is not the easiest paint to do a blend with. It can be done but it takes equal helpings of luck and experience.

This is what I would do. Blending single stage isn't easy and spraying all of the white should be much easier.
N64LR - RV-6A / IO-320, Flying as of 8/2015
N11LR - RV-10, Flying as of 12/2019
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Old 08-28-2021, 07:02 PM
Northernliving Northernliving is offline
Join Date: May 2005
Location: Boston, MA
Posts: 584

It’s very difficult to blend a single stage and when it’s done, it doesn’t look great. Body shops in the old days (when single stage was popular) would spray the entire panel. For the same reason clear is rarely blended. The color is blended and the entire panel is cleared on top.
Brian J.
Boston, MA
RV8 Based at ORH - Purchased
RV8 - The Project #83313 - Under Construction
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Old 08-30-2021, 07:45 PM
BillL BillL is offline
Join Date: Sep 2007
Location: Central IL
Posts: 6,215

I have blended successfully but the colors did not match. I tapered the sanding prep allowing for the thickness difference. The final coat was wet/block sanded and polished (cut and buff) over the transition. The surface worked out well but the color match on a beige was less than perfect in some areas and just fine on others. It certainly was a lot of work. I later found that the acrylic enamel color was affected by reducing volume.

Wet sanding into the transition area and revealing the sand scratches is a challenging area if there is color difference.

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