[Boatanchors] Capacitors

howard holden holden7471 at msn.com
Tue Aug 16 12:54:23 EDT 2011


The cap on my R-388 (plug-in with Navy stamp) was potted. It had never been apart before. I had to machine the potting out on a lathe. Used the radial caps to restuff.

Howie WB2AWQ
  ----- Original Message ----- 
  From: WA5CAB at cs.com<mailto:WA5CAB at cs.com> 
  To: ranchorobbo at gmail.com<mailto:ranchorobbo at gmail.com> ; boatanchors at mailman.qth.net<mailto:boatanchors at mailman.qth.net> 
  Sent: Tuesday, August 16, 2011 8:14 AM
  Subject: Re: [Boatanchors] Capacitors


  Hmmm.  Strange.  The only potted ones I've encountered were some that were 
  rebuilt by someone else.  Who cut the can instead of opening the crimp.

  In a message dated 08/16/2011 05:55:35 AM Central Daylight Time, 
  ranchorobbo at gmail.com<mailto:ranchorobbo at gmail.com> writes: 
  > every can cap I look at seems to have been potted.
  > 
  > Rob
  > K5UJ
  > 
  > On Mon, Aug 15, 2011 at 11:44 PM, <WA5CAB at cs.com<mailto:WA5CAB at cs.com>> wrote:
  > 
  > >A much better method is to remove the canned capacitor, open up the 
  > bottom
  > >crimp, pull out the contact plate, and re-stuff them with new ones.  
  > Radial
  > >lead types are pretty much worthless (if you care what your work looks
  > >like)
  > >for under chassis replacements but work quite well for re-stuffing cans.  
  > I
  > >did about 20 of them last year in a PP-351.  Aside from the silicon 
  > bridges
  > >in place of selenium (and the fact that it works quite well 56 years on),
  > >no one would know that I had ever been into it.
  > 

  Robert & Susan Downs - Houston
  wa5cab dot com (Web Store)
  MVPA 9480
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