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RE: Unpotting techniques...



Original poster: "Troy Taylor by way of Terry Fritz <twftesla-at-uswest-dot-net>" <troy-at-ezcoding-dot-com>

Doh! I am sorry, that got all scrambed up!

I meant to ask about unplotting my NST, NOT my MMC. :)  Just got sidetracked
there for a minute! :)

Thanks in advance!

Troy

-----Original Message-----
From: Tesla list [mailto:tesla-at-pupman-dot-com]
Sent: Sunday, January 21, 2001 9:59 PM
To: tesla-at-pupman-dot-com
Subject: RE: Unpotting techniques...


Original poster: "Troy Taylor by way of Terry Fritz <twftesla-at-uswest-dot-net>"
<troy-at-ezcoding-dot-com>

Hello, I am new to this list.  I recently got a Franceformer 15/60 NST.  I
have done some nice Jacob's ladders with it. :)

Anyway, I haven't finishing building my MMC Cap yet (fired 3 oil/poly/foil
already) and keep seeing people talk about "unpotting" them.  Can someone
point me to a reference on what is this and how to go about it? :)

Thanks!

Troy D. Taylor

-----Original Message-----
From: Tesla list [mailto:tesla-at-pupman-dot-com]
Sent: Sunday, January 21, 2001 4:48 PM
To: tesla-at-pupman-dot-com
Subject: Re: Unpotting techniques...


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

Hi Mike.  I have four allanson 15/60 trannys, unpotted.  The reason they
are unpotted is cause they all gave out more or less. Two of them work
really great now.  A third I use for the 'Jacobs ladder', and the fourth
is somewhat lacking in potential and buzzes really bad since the
secondaries are shorted way deep and even unpotting and surgery would not
help them.  Any way, I almost wish now that I had chosen 12/60 trannys at
the start since it would not have been quite so deletrious to the other
parts of the tank circuit. But, if you gotta go, then go with the 15/60,
the corona and arcs will be magnificent before they croak.  (Remember, I
said almost wish I had 12/60's at the start!)  But, you are saying that
the Franceformer seems to have twice the size secondary?  Hhhmm, does
someone sell Francys on the list?  I'd like to crack open one of the
15/60 Francys.    Al.

On Sat, 20 Jan 2001 09:34:12 -0700 "Tesla list" <tesla-at-pupman-dot-com>
writes:
> Original poster: "Mike Novak by way of Terry Fritz
> <twftesla-at-uswest-dot-net>" <acmnovak-at-email.msn-dot-com>
>
> Thanks Al, but there's still more to be said...
> For instance, Ii found out what happens if you do not heat the core
> and
> coils before chipping: the secondary remains as brittle as the tar
> and will
> chip off along with it!!! Just a moment ago I was hacking an
> Allanson I was
> hoping to parallel with my 12/60 Franceformer, but I lost a part of
> the
> secondary without even touching it!!! Also, I noticed that although
> Allansons are not a bad type of NST, they have small cores (about
> the size
> of a 15/30 core on a Franceformer in my 12/60).
> Now, I've got only one 12/60 which is not unpotted yet, So it looks
> as
> though I'll have to go NST hunting tomorrow.  I want 15kV units REAL
> bad.
> I've been using 12/60s almost exclusively  : |
> So, in conclusion, make sure you heat the core and coils BEFORE
> BEGINING to
> chip the tar off!!!! Lesson learned : (
>
> Best Wishes,
>
> -Mike Novak
>
>
> PS- If anyone would be interested in an unpotted 12/60, drop me a
> line at
> mailto:acmnovak-at-msn-dot-com
> I'll consider trades, but I'm really broke so $ is preffered. :-\
>
>
>
> > Original poster: "Albert Hassick by way of Terry Fritz
> <twftesla-at-uswest-dot-net>" <uncadoc-at-juno-dot-com>
> >
> > Hi Mike.  Excellent post!  You have covered all the dirty details.
>  Amen.
> >   Al.
> >
> > On Sat, 13 Jan 2001 14:21:29 -0700 "Tesla list" <tesla-at-pupman-dot-com>
> > writes:
> > > Original poster: "Mike Novak by way of Terry Fritz
> > > <twftesla-at-uswest-dot-net>" <acmnovak-at-email.msn-dot-com>
> > >
> > > Hello Everyone,
> > > I thought I'd take a moment and share with you some of the
> little
msnip...