[Hallicrafters] Recapping Hallicrafters

[k0ewu at juno.com]

Harken ye back to the day of wet electrolytics, a tall round can,
aluminum, the neg.
side. The positive was an electrode in a bath of electrolyte, a water
solution.

I was working in a gamble store repairing radios after school-- high
school,
The farmer that brought it in said it souded like his coffee pot.
Shure did, I turned it on and it played for a bit, started to gurgle and
then
  pow!!  the lid of the can blew a hole in the top of the cabinet like a
12 gauge shell would, about 2 in diameter.  from that day forth i have
always replaced a wet cap with a more modern one.           Before
applying power.

jack


1
On Tue, 12 Jul 2005 12:18:52 -0700 (PDT) Mike Everette
<radiocompass at yahoo.com> writes:
> 
> 
> --- "Clayton L. Nicolsen" <cnicolsen at msn.com> wrote:
> 
> > "One mistake some make is replacing electrolytic
> > caps with one of a higher
> > voltage, this will accelerate the aging of the cap.
> > 
> REST ASSURED!  THIS IS PURE BOVINE
> BYPRODUCTS!!!!!!!!!!!
> 
> Sounds like something dreamed up by some propellerhead
> whizbang, raised on a diet of germanium and silicon
> (especially when made into computers)....
> 
> There is NO danger of jeopardizing a cap by using it
> at less than rated working voltage.
> 
> On the other hand, if one subjects some capacitors,
> especially electrolytics, to ABOVE rated voltage, the
> effect can and often does resemble Mount St. Helens. 
> I once saw a can-type filter cap in a tube-type mobile
> radio explode, and throw its guts 10 feet straight up
> to stick on the ceiling of the shop (it was in an old
> garage service bay).  It was LOUD, too.  
> 
> And that is the absolute truth.
> 
> 73
> 
> Mike
> WA4DLF
> 
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