This is a great question. I haven't read anything in the builders
manual about corrosion protection, but it sure makes sense. Does
someone have a "primer" for this area where we could read on the steps
to take?
Thanks!
Chris Beck
Ian Robson wrote:
> I'm a bit unclear about the correct corrosion treatment for the alloy
> parts and would appreciate it if anyone could give me a steer with
> regards to the following: i) Am I correct to alodyne the parts
> that I will subsequently bond to the air frame e.g. flap mounting
> plate W18. Does allodyne affect the bond strength with the
> epoxy? ii) Am I correct in NOT using Zinc Chromate primer on parts
> which will be bonded to the airframe? This is a pain and would
> presumably reduce bond strength. iii) What should I use to clean
> the aluminium parts prior to alodyning? Some have suggested
> acetone (? also MEK) some AJAX and warm water, there is also a
> proprietary cleaner available from Aircraft Spruce called
> Alumiprep. iv) How much aludyne crystals to dissolve in how much
> water? v) How long should the parts be left in the solution of
> aludine? Thanks Ian Robson
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