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maarten versteeg
Joined: 15 May 2007
Posts: 37
Location: San Antonio
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 Posted: Fri Apr 03, 2009 5:47 am Post subject: Firewall surface treatment? |
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Hello,
I am working on the support brackets for my 601 firewall which I made out of
26 gauge galvanized steel as listed in the drawings. I am treating the
Aluminum
surfaces with self etching primer. Any ideas, suggestions on whether and
how
to treat the galvanized steel parts?
Maarten Versteeg , plans #6484, reserved 581SL
plans building 601xl, working on fuselage
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Maarten Versteeg
601XL scratch building wings |
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bryanmmartin
Joined: 10 Jan 2006
Posts: 1018
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| Posted: Fri Apr 03, 2009 7:20 am Post subject: Firewall surface treatment? |
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I left mine bare. It doesn't need any treatment, the zinc coating will
protect it.
On Apr 3, 2009, at 9:45 AM, mversteeg wrote:
| Quote: |
>
Hello,
I am working on the support brackets for my 601 firewall which I
made out of
26 gauge galvanized steel as listed in the drawings. I am treating
the Aluminum
surfaces with self etching primer. Any ideas, suggestions on whether
and how
to treat the galvanized steel parts?
Maarten Versteeg , plans #6484, reserved 581SL
plans building 601xl, working on fuselage
|
--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive.
| | - The Matronics Zenith601-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?Zenith601-List |
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_________________
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Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive. |
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maarten versteeg
Joined: 15 May 2007
Posts: 37
Location: San Antonio
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| Posted: Fri Apr 03, 2009 8:28 am Post subject: Firewall surface treatment? |
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Hello Bryan,
I agree that the zinc coating will protect steel from the elements on
it's own.
My question/concern was if there was anything special that might be needed
for the contact surfaces between aluminum and the galvanized steel to
protect
it over time.
- Maarten
||*
| Quote: | |*I left mine bare. It doesn't need any treatment, the zinc coating will
protect it.
On Apr 3, 2009, at 9:45 AM, mversteeg wrote:*|
> Hello,
>
> I am working on the support brackets for my 601 firewall which I made
> out of
> 26 gauge galvanized steel as listed in the drawings. I am treating
> the Aluminum
> surfaces with self etching primer. Any ideas, suggestions on whether
> and how
> to treat the galvanized steel parts?
>
> Maarten Versteeg , plans #6484, reserved 581SL
> plans building 601xl, working on fuselage
* --
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive*
*
|
--
Maarten Versteeg Southwest Research Institute
Phone: (210)522-5029 P.O. Drawer 28510
Fax: (210)522-5499 San Antonio, TX 78228-0510
| | - The Matronics Zenith601-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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_________________
Maarten Versteeg
601XL scratch building wings |
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bryanmmartin
Joined: 10 Jan 2006
Posts: 1018
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| Posted: Fri Apr 03, 2009 8:54 am Post subject: Firewall surface treatment? |
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As I recall, I put zinc chromate primer on the aluminum where it meets
the firewall, although it really wasn't necessary. Zinc and aluminum
play well together, you shouldn't need any treatment between the two.
Zinc or cadmium are the two recommended platings for fasteners used
with aluminum because there is minimal corrosion potential between
them. Stainless steel is another matter, aluminum will act as a
sacrificial anode to stainless, so a coating between the two is
necessary if there is a chance exposure to moisture.
On Apr 3, 2009, at 12:26 PM, mversteeg wrote:
| Quote: |
>
Hello Bryan,
I agree that the zinc coating will protect steel from the elements
on it's own.
My question/concern was if there was anything special that might be
needed
for the contact surfaces between aluminum and the galvanized steel
to protect
it over time.
|
--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive.
| | - The Matronics Zenith601-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?Zenith601-List |
|
_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive. |
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