[ARC5] Rethinking Recapping, Redux

Kenneth G. Gordon kgordon2006 at frontier.com
Sun Mar 4 20:18:54 EST 2018


On 3 Mar 2018 at 3:57, J Mcvey via ARC5 wrote:

> Once upon a time I "let the caps be " on an ARC radio that was running well for 
> several hours on a dynmotor.
> Then, suddenly , the radio went silent and the dynamotor slowed down and was 
> obviously straining.
> Turns out that the large 0.2 uf (?) X3 cap filtering the B+ decided to 
> catastrophically fail to a near dead short!
> Good thing I was there when it happened....
> 
> The other ones can do what they do , with little harm to anything other than 
> performance, but that .2X3 cap filters raw B+ and LV.
> Bad things can happen.

That exact thing happened with me too.

Our receivers don't even NEED that cap, unless you are running it on a dynamotor.

Ken W7EKB

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