Thank you all for your responses.   I'll look at that video and research 
further into alodine for the aluminum.
-Seth

On 12/26/2011 8:45 PM, smwood wrote:
> For aluminum protection: Watch the EAA Hints for Homebuilders video and do
> what Brian Carpenter says.  It works!
> http://www.eaavideo.org/channel.aspx?ch=ch_hints
>
> Anodize is the best (and pricey) aluminum treatment, but next best is
> alodine and doable by anyone right on your work bench at home.
> Zinc chromate is a good primer for a finish coat of a spray paint, but next
> to worthless for aluminum metal protection.  Powder coat is a great looking
> finish and will provide excellent protection as long as the surface does not
> crack or get scratched to the bare metal.  Corrosion can then happily eat
> away under the best looking part and you will not know it until the paint
> can no longer support the load that the metal used to carry.
>
> Sid Wood
> Tri-gear KR-2 N6242
> Mechanicsville, MD, USA
> smw...@md.metrocast.net
>

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