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vincefrazier(at)gmail.com
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 Posted: Wed Jul 03, 2013 5:58 am Post subject: powder coating thoughts |
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SNIP
[quote] Echoing some of what Vince said I do not like Powder Coast on high stres
s steel airplane parts. The Powder coat tends to hide cracks that paint wi
ll not. Do you want a crack to develop in one of your steel parts and be h
idden from view?
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell=2C
2=2C720+ Flying Hours So. CA=2C USA
Time: 10:52:03 AM PST US
From: HCRV6(at)comcast.net (HCRV6(at)comcast.net)
Subject: Re: tailwheel powder coating
Back when I was building my RV-6 slider, I discovered that my brand new powder
coated canopy bar was rusted in many places under the powder coating. The only
way I discovered that was that I accidentally chipped the powder coating in one
place and noticed the rust underneath. It took me several weeks of grinding
and chipping to remove all the powder coat so that I could paint the bar. After
that I would be very reluctant to use powder coating on critical steel parts.
Harry Crosby
RV-6 N16CX, 1082 hours
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flying-nut(at)cfl.rr.com
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| Posted: Wed Jul 03, 2013 6:54 am Post subject: powder coating thoughts |
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Been watching this thread ......
Rust under the powder coat was probably there when it was coated. The heat necessary to melt the powder coat doesn't change the steel at all, and powder coat really seals out the moisture. You might see fatigue cracks earlier with powder coat than paint since the powder coat is brittle and paint still has a little flex to it. My nose gear had some rust under the powder coat but I'll Ospho that and paint over it.
Linn ...... fitting the cowl
\On 7/3/2013 9:57 AM, Vince Frazier wrote:
[quote]
SNIP
[quote] Echoing some of what Vince said I do not like Powder Coast on high stres
s steel airplane parts. The Powder coat tends to hide cracks that paint wi
ll not. Do you want a crack to develop in one of your steel parts and be h
idden from view?
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell=2C
2=2C720+ Flying Hours So. CA=2C USA
Time: 10:52:03 AM PST US
From: HCRV6(at)comcast.net (HCRV6(at)comcast.net)
Subject: Re: tailwheel powder coating
Back when I was building my RV-6 slider, I discovered that my brand new powder
coated canopy bar was rusted in many places under the powder coating. The only
way I discovered that was that I accidentally chipped the powder coating in one
place and noticed the rust underneath. It took me several weeks of grinding
and chipping to remove all the powder coat so that I could paint the bar. After
that I would be very reluctant to use powder coating on critical steel parts.
Harry Crosby
RV-6 N16CX, 1082 hours
---
| | - The Matronics RV-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:
http://www.matronics.com/Navigator?RV-List |
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