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Ernest, Sounds like they are still in the "old school" technology to me. Check the internet for "Electroless Nickel Plating aluminum". If a shop in a small town knows of it and can do it - I think your guys either didn't understand what you wanted - OR - didn't want to mess with a small job. You didn't say "Airplane" did you?? {:>)
Here are just a few I found (below) - there are many more. My nickel plated RWS redrive has continued to look a nice golden tone and none of that surface discoloration that can make aluminum look ugly. There are, of course, other plating approaches - but, I found they do not protect as well and are more expensive.
http://charlotteplating.com/
http://www.caswellplating.com/kits/electroless.htm (You'll like this one - a diy kit)
http://www.pfonline.com/articles/pfd0024.html
http://www.pfonline.com/articles/079906.html
http://www.nickeltech.com/
Ed
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
http://www.andersonee.com
http://members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.dmack.net/mazda/index.html
----- Original Message ----- From: "Ernest Christley" <echristley@nc.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Monday, May 05, 2008 2:50 PM
Subject: [FlyRotary] Nickel plating
Ed, you had your PSRU nickel plated, didn't you?
I just got off the phone with Precision Alloys in Raleigh, NC. They said that you can't nickel plate aluminum. They will do cadmium plating for $40/run.
1) How did you get yours nickel plated if it isn't possible? Did they copper plate it first?
2)Would the nickel offer any substantial benefits over cadmium?
--
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