Re: Hardened rubber and corrosion in connectors 5point
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.
Sent: Wednesday, October 2, 2019 11:07 PM
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?