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04-20-2020, 09:07 PM
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Join Date: Dec 2016
Location: New Braunfels
Posts: 299
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Paint for Engine Baffles
I've decided to paint the aluminum pieces of the engine baffles. I have some PPG single stage urethane left over from interior that would be the right color.
Has anyone painted their baffles with "automotive paint" with success? Or, do I need to use a high temp paint?
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Randy Vanstory
Flying RV10 - N783V
1st Flight 08/20/2020
Donation Happily Made 2020
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04-21-2020, 05:57 AM
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Join Date: Mar 2009
Location: Grand Rapids, MI
Posts: 1,004
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Baffles paint
I used automotive base/clear and no issues after 7 years.
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Paul K
West Michigan
Unfortunately in science, what you believe is irrelevant.
2020 donation made, exempt but worth every dime!
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04-21-2020, 06:29 AM
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Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 2,596
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I use PPG single stage urethane for the interior and all firewall forward aluminum, including baffles. The oldest project is now pushing 20, and it still looks like new.
I use PPG DP-40LF as the primer under the urethane.
Carl
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04-21-2020, 06:48 AM
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Join Date: Dec 2016
Location: New Braunfels
Posts: 299
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Thank you Paul and Carl! Just the answer (and experience) I was hoping for!
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Randy Vanstory
Flying RV10 - N783V
1st Flight 08/20/2020
Donation Happily Made 2020
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04-21-2020, 06:49 AM
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Join Date: Aug 2005
Location: Grass Lake, MI
Posts: 128
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I used PPG Concept on my RV-10 baffles. Going on 9 years and they have held up very well.
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-Mike Kraus
RV-4 Sold :-(
RV-10 Flying :-)
KitFox SS7 Flying as of May 2017
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04-21-2020, 06:52 AM
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Join Date: Jun 2011
Location: Indianapolis
Posts: 228
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Quote:
Originally Posted by rvanstory
I've decided to paint the aluminum pieces of the engine baffles. I have some PPG single stage urethane left over from interior that would be the right color.
Has anyone painted their baffles with "automotive paint" with success? Or, do I need to use a high temp paint?
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Once mine were all fitted, I took them all and had them powder coated. That stuff is tough. No regrets.
__________________

Larry Anderson
Indianapolis
RV-Super 8 N88XT SOLD
RV-10 QB N38LA Flying
Helicopter Instructor Pilot
Standardization I.P.
Instrument Examiner
U.S. Army Retired
EMS Pilot for LifeLine
At IU Health Retired :-)
Although Exempt,
Donated for 2020
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04-21-2020, 07:47 AM
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Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,435
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It was a mistake to powder-coat the baffles on my C180. Over time, the paint flaked off. And the baffles got dirt embedded in them that I've been unable to remove.
I won't make that mistake on my RV-3B.
Dave
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04-21-2020, 08:07 AM
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Join Date: Feb 2005
Location: LSGY
Posts: 3,198
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Plan?
Quote:
Originally Posted by David Paule
... I won't make that mistake on my RV-3B. ...
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What's your plan?
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04-21-2020, 09:12 AM
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Join Date: Jan 2005
Location: NC25
Posts: 3,507
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23-years ago, I painted my baffles with a rattle can of paint. Except for chips and bugs, it has held up ok. High temperature paint is not needed.
__________________
Gary A. Sobek
NC25 RV-6 Flying
3,400+ hours
Where is N157GS
Building RV-8 S/N: 80012
To most people, the sky is the limit.
To those who love aviation, the sky is home.
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04-21-2020, 10:35 AM
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Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,435
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Quote:
Originally Posted by rv8ch
What's your plan?
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I'm not sure I actually have one yet. Probably one of these -
Two-part spray paint
or
Polish
or
Anodize.
I'm leaning towards polishing them.
Dave
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