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fireflier
Joined: 24 Jun 2012
Posts: 58
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 Posted: Mon Jul 09, 2012 2:49 am Post subject: corrosion protection |
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What are the best options of providing corrosion protection to the steel parts CS05 and CS10?
The parts I have in my kit don't have the gold zinc finish that they come with now, mine are black in appearance and I would say need some form of protection. My thoughts are to use hammerite paint, but would like to ask your opinions and what you used to protect these parts during the build process?
Can I also ask if any of you provided corrosion protection to parts CS01,CS02, CS03, CS07 and CS08? I know these parts are aluminum and therefore shouldn't need to be protected.
I look forward to hearing your comments
Many thanks
Donald
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g-iani(at)ntlworld.com
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| Posted: Mon Jul 09, 2012 3:38 am Post subject: corrosion protection |
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Donald
Yes the steel work of early kits is oil blued, not plated as are the later
kits. On my aircraft I painted them with Hammarite (the flat finish not the
crackle) and this has lasted well.
The aluminium parts can be treated by anodising, alocrom (a DIY anodising
process), powder coating etc etc. This is a complex subject and I am
working on an article for the web site on this topic.
My experience is that, without any treatment, the parts you refer to are
sufficiently well protected that they show no signs of corrosion after ten
years.
Ian Rickard G-IANI XS Trigear, 300hours
Europa Club Mods Specialist
e-mail g-iani(at)ntlworld.com
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nigel_graham(at)m-tecque.
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| Posted: Mon Jul 09, 2012 5:03 am Post subject: corrosion protection |
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I would recommend anodising all alloy parts and powder coating steel
parts (that don't need a precision fint into some other component). When
powder coating, ask for bead blasting NOT grit blasting (avoids stress
risers) and specify a corrosion proofing pre-tratment. The inside of
tubing can be protected with liquid corrosion inhibitors like ACF50,
Shell Ensis and others (after carfully cleaning out all post-powder
coating detritus).
The attached pdf gives you the UK specs for anodising (from your e-mail
address I guess that you are located in the UK).
Apart from anything else, well finished parts will increase the
"saleability" of you aircraft when you finally want to move on.
Nigel
On 09/07/2012 11:49, fireflier wrote:
| Quote: |
What are the best options of providing corrosion protection to the steel parts CS05 and CS10?
The parts I have in my kit don't have the gold zinc finish that they come with now, mine are black in appearance and I would say need some form of protection. My thoughts are to use hammerite paint, but would like to ask your opinions and what you used to protect these parts during the build process?
Can I also ask if any of you provided corrosion protection to parts CS01,CS02, CS03, CS07 and CS08? I know these parts are aluminum and therefore shouldn't need to be protected.
I look forward to hearing your comments
Many thanks
Donald
--------
Fireflier
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=377726#377726
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| Description: |
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120709_-_Anodising.pdf |
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732.95 KB |
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kaarsberg(at)terra.com.br
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| Posted: Mon Jul 09, 2012 8:55 am Post subject: corrosion protection |
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Although well impressed with powder coating in general, I would be reluctant to use it on anything important.
I have spent more time than I care to remember, inspecting aircraft structures and parts and I am pretty certain that it not only would protect well, it would also keep any sign of corrosion well hidden until it is too late!
Also, I have never seen it used on transport category aircraft and suspect this may well be the reason for that.
Proper cleaning and priming/painting is the only really good solution.
I used phosphate primer on all steel parts not cadmium plated already.
Alu parts use zinc chromate primer.
Again, as in grp work, clean clean and clean, then protect well.
Brgds, Alex, kit 529
Em 09/07/2012, às 17:00, "nigel_graham(at)m-tecque.co.uk" <nigel_graham(at)m-tecque.co.uk> escreveu:
| Quote: | I would recommend anodising all alloy parts and powder coating steel parts (that don't need a precision fint into some other component). When powder coating, ask for bead blasting NOT grit blasting (avoids stress risers) and specify a corrosion proofing pre-tratment. The inside of tubing can be protected with liquid corrosion inhibitors like ACF50, Shell Ensis and others (after carfully cleaning out all post-powder coating detritus).
The attached pdf gives you the UK specs for anodising (from your e-mail address I guess that you are located in the UK).
Apart from anything else, well finished parts will increase the "saleability" of you aircraft when you finally want to move on.
Nigel
On 09/07/2012 11:49, fireflier wrote:
>
>
> What are the best options of providing corrosion protection to the steel parts CS05 and CS10?
>
> The parts I have in my kit don't have the gold zinc finish that they come with now, mine are black in appearance and I would say need some form of protection. My thoughts are to use hammerite paint, but would like to ask your opinions and what you used to protect these parts during the build process?
>
> Can I also ask if any of you provided corrosion protection to parts CS01,CS02, CS03, CS07 and CS08? I know these parts are aluminum and therefore shouldn't need to be protected.
>
> I look forward to hearing your comments
>
> Many thanks
> Donald
>
> --------
> Fireflier
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=377726#377726
>
>
>
>
>
>
>
>
>
>
>
<120709 - Anodising.pdf>
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