Re: Hardened rubber and corrosion in connectors 5point

Michael O'Beirne
 

Allan
 
G3PDM, he of the famous receiver with a single IF and a valve synthesiser of the  late 1960s, said the best cleaning method for a variable capacitor was an ultra sonic tank.
 
73s
Michael
G8MOB
 

From: AllanIsaacs
Sent: Wednesday, October 2, 2019 11:07 PM
To: wireless-set-no19@groups.io
Subject: Re: [wireless-set-no19] Hardened rubber and corrosion in connectors 5point
 

To clean badly tarnished metal detector finds such as copper and cupro-nickel coins a mixture of salt and vinegar used to work a treat John. Any chemists out there could probably come up with the equations?

As far as rubber goes… you could try suspending some in ozone if you could generate some of that?

Allan G3PIY

 


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