Re: Noise Filtering Capacitors

Posted by Fish'n Jim On 2023/6/19 21:52:39

Sounds like capacitoritis back in the day. Cheap - use lots of them.
This was a relatively new invention for autos and widely applied. The one inside the dist is for the wave form for the spark so it doesn't jump around the contacts and cause damage/burnt points.
If think the generator one is for overvoltage/spike protection, not radio per se. 0.5 mF (milliFarad) is the capacitance rating - common size. How much energy it'll take.
I was under the impression most of this static suppression was due to using solid spark wires. Not so much a problem with graphite core wires. I know the C1&2 Corvettes were particularly vulnerable with the AM due to no steel body to suppress things. They had a stainless shield behind the dist.
I guess with tube radios, it's harder to filter out the static also.
I've even seen thing in hubcaps supposed for this but never seen any proof of need.