Re: NST rebuilds

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

Original poster: "S & J Young by way of Terry Fritz <twftesla-at-qwest-dot-net>" <youngs-at-konnections-dot-net>

Steve,

Regarding your number 3 - the "half-out" NST.  Often you can combine two
"half-out" NSTs and end up with the equivalent of one good NST, if you don't
mind the extra size, weight and a bit more power drawn.
--Steve Young

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, July 17, 2002 8:13 AM
Subject: NST rebuilds


> Original poster: "Steven Ward by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<srward16-at-hotmail-dot-com>
>
> HI,
>
> Ive rebuilt transformers before and had success with each(I knew what was
> wrong with each tranformer, ie, i blew them with a TC).  Recently, i
picked
> up about 15 busted transformers at a sign shop.  Unfortunately my friend
was
> there earlier and took most of the 60 ma units.  But anyways, i was
noteing
> some test results with just testing the transformers(if youre lucky some
> will work! i was lucky with one).  So here are some characteristics of
these
> transformers.  All of them are magnetek(jefferson), or france.
>
> 1.  One or both windings show no sign of arcing.
>
> 2.  One side or both show very weak tiny sparks(1/20").
>
> 3.  One side is strong, the other dead or very weak.
>
> 4.  or a combo of any of these.
>
>
> Now, im wondering if anyone can tell me whether or not these are signs of
a
> good rebuild(tar broke down), or a bad pointless rebuild(winding broken
> down).  Id really love if i can get a few of these 15/60s working again.
So
> far ive been working on an Allonson 15/30, for a smaller coil and for
> practice.  Also, does anyone know if a broken down winding has any
specific
> characteristics??  Any other info anyone can give will be helpful.
>
> Steve Ward.
>
>
>