Re: Update: Carbon Tracking on secondary help.

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

Original poster: "Albert Hassick by way of Terry Fritz <twftesla-at-uswest-dot-net>" <uncadoc-at-juno-dot-com>

Hi Simon.  You could try encapsulating the damaged area and the entire
interior of the coil with 'tiger hair' fiberglass resin. Al.

On Sat, 20 Jan 2001 09:35:38 -0700 "Tesla list" <tesla-at-pupman-dot-com>
writes:
> Original poster: "Ed Phillips by way of Terry Fritz 
> <twftesla-at-uswest-dot-net>" <evp-at-pacbell-dot-net>
> 
> Tesla list wrote:
> > 
> > Original poster: "Simon Yorkston by way of Terry Fritz
> <twftesla-at-uswest-dot-net>" <quantumx-at-ozemail-dot-com.au>
> > 
> > Hi all.
> > 
> > Well, I think my secondary has carbon tracking, and it's fatal.
> > 
> > I had a look [it was worse than I remembered] - Its about 3-5 [at 
> the most]
> > cm wide, and about 20cm long. I tried sanding it; that did nothing 
> but
> > remove the surface carbon, but left thousands of little carbon / 
> black
> > holes.
> > 
> > I guess the only option now is to redo the secondary? [The form is 
> useless;
> > I assume the wire is too]
> > 
> > Looking on the bright side- at least this time, at least I won't 
> make the
> > same mistake next time.
> > 
> > Thanks again,
> > Simon
> > [Please feel free to foward comiserations and donations of 
> secondaries :) ]
> 
> 	I salvaged a small (3.2" dia x 16" long) coil by using a 
> stiff steel
> brush to remove all of the carbon and burned form (shellacked paper 
> in
> this case) I could see.  Not as big an area as you seem to have, but
> apparently burned through to the wire.  In spite of that, after 
> using
> cleaning as above and applying heavy coatings of shellac it seemed 
> to
> work quite well putting out the same 24" streamers it did before.  
> In
> this case the original problem was stupidity on my part (having the
> bottom of the secondary coming into the inside of the form).
> 
> Ed
> 
> 
> 

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