[Boatanchors] Electrolytic Reforming Time

Al Klase al at ar88.net
Sat Dec 31 00:08:08 EST 2011


Robert,

Not that I remember.  You're right, that could cause problems even with 
a new cap.  I was kinda hoping that the safety vents would keep one from 
actually bursting with that much force, but this is the kind of thing 
that happens with 50-60 year-old components.

Al


On 12/30/2011 11:17 PM, WA5CAB at cs.com wrote:
> Al,
>
> Was the rectifier shorted after the explosion?
>
> In a message dated 12/30/2011 21:01:23 PM Central Standard Time, 
> al at ar88.net writes:
>> I'm with Carl on this one.  I'd started to go easy on replacing
>> electrolytics, as a lot of the post-war ones seemed to come around and
>> function OK.
>>
>> THEN, a Sprague twist-prong that had been working happily for two weeks
>> exploded.  There was a bunch of shredded material on the PS, but the can
>> was not in evidence.  A little looking around found it across the great
>> room, and a little more looking revealed a 3/4" deep dent 16 feet up on
>> the cathedral ceiling,
>>
>> 'nuff said!
>>
>> Al
>>
>> On 12/30/2011 9:20 PM, Geoff wrote:
>> >Just replace all electrolytics as dried out electrolytes will not 
>> magically
>> >repair themselves.
>> >Reforming is pure folly as a complete failure will happen but you cant
>> >predict it.
>> >
>> >Carl
>> >KM1H
>
>
> Robert & Susan Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/



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