[ARC5] Cleaning Brass

[Bob Macklin]

What color is the corrosion? Brass corrosion is green. Brass is mostly 
copper?

White vinegar should clean brass but it may require soaking. But not too 
long.

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"

----- Original Message ----- 
From: "Robert Eleazer" <releazer at earthlink.net>
To: <arc5 at mailman.qth.net>
Sent: Thursday, March 28, 2013 8:09 AM
Subject: [ARC5] Cleaning Brass


>I bought a National NC-270 on ebay several weeks back.  It was pretty cheap 
>but has some corrosion.  Most of it I can handle with rust converter and 
>paint.
>
> But the main tuning cap has a lot of corrosion.  The frame is rusty. The 
> shaft is black and along the outer end is positively caked with corrosion. 
> The shaft wiper on the end is hopeless.
>
> I figured I would have to replace the tuning cap and bought one from Gary. 
> But a guy over on QRZ pointed out you can solder a piece of solder wick 
> onto the shaft and onto the frame to substitute for a bad wiper.  I'll try 
> that.
>
> However how do I clean the corrosion?  Deoxit did nothing much.  A mixture 
> of white vinegar and baking soda did little at most.  Only thing that 
> worked at all is Brasso - and it is designed to polish with, which is 
> hardly feasible.  I did get some off with it.
>
> Y'all have any ideas or experiences?
>
> Thanks!
>
> Wayne
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