Re: Potting Diode Strings - yes!

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "rheidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>

When you are through you still have un-mounted painted diodes
   Robert  H

> From: "Tesla list" <tesla-at-pupman-dot-com>
> Date: Thu, 21 Mar 2002 08:00:39 -0700
> To: tesla-at-pupman-dot-com
> Subject: Re: Potting Diode Strings - yes!
> Resent-From: tesla-at-pupman-dot-com
> Resent-Date: Thu, 21 Mar 2002 08:14:44 -0700
> 
> Original poster: "Kevin Ottalini by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <ottalini-at-mindspring-dot-com>
> 
> Rick:
> There are several types of corona dope, most notably red glyptol
> and black "corona dope" both from GC Electronics in small bottles
> (other companies make versions too).
> 
> Glyptol is a thick red material that is almost like a baked clay when dry
> (it can granulate to a dust) and is fairly hard.  Works well for rigid
> things
> or as a coating, hard to get all the voids out.  I have seen a filled
> version
> used for air cleaner ion generators (Cockroft multipliers usually).  Not
> pretty but cheap. (just keep plastering it on until the corona is
> suppressed).
> 
> Both usually are designed for thin painted-on coatings and are totally
> unsuitable for potting, (I tried) but work well to suppress corona on
> junctions and other non-flexing things (black corona dope is more
> flexible but easily detaches if flexed).
> 
> If nothing else,they are unsuitable for potting because they shrink in
> volume tremendously as they dry.
> 
> Bill Wysock used a glyptol on the conical secondary at Frys here in
> San Jose (Fremont store actually).  The type he found has a nice
> shiny red finish when dry.
> 
> GC also makes a HV putty (blue if I remember right) that you could
> mush all around, but all of these items are very expensive for the
> volume you get (not much).
> 
> Kevin
> 
> ----- Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Wednesday, March 20, 2002 10:11 PM
> Subject: Re: Potting Diode Strings - yes!
> 
> 
>> Original poster: "PotLuck by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <potluck-at-xmission-dot-com>
>> 
>> Hi List,
>> 
>> Has anyone ever used Corona Dope for this purpose?
>> 
>> Rick W.
>> Salt Lake City
>> 
> 
> 
> 
>