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RE: Treating Hinges

Subject: RE: Treating Hinges
From: Nick Hammond <nick.hammond@saabsystems.com.au>
Date: Sun, 29 Apr 2001 23:18:41
>Is there a good discussion of how to use alodine? 
There is a fair bit of stuff on the web. I found this site the other day
http://www.eaa1000.av.org/technicl/corrosion/alodine.htm

Regards, 

Nick Hammond (418)


-----Original Message-----
Subject: Treating Hinges

I have a question for the group regarding rudder hinges:

It was mentioned to me that the rudder hinges are pre-treated against
corrosion. However, after cutting the hinges, the edges are all bare
aluminum.
Furthermore, during the hinge pin installation, I mounted the hinges in a
vise, and I am afraid I might have inadvertantly scratched them, removing
the
corrosion treatment in some areas. Am I being overly concerned? Should I
bother treating the hinges again?

As for corrosion treatment, the Europa manual suggests alodine. I searched
in
many places but only found bits and pieces of information. (a company
website perhaps?) For example,
how does it affect the strength of its bond to fibgerglass?


Thanks!!



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