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ENSTs



Hello Ross, Everyone

Since I have been hearing such great results from people who have
deshunted there NSTs, I have been thinking of deshunting one of my own
NSTs.  What is the most recomended method for doing so, and how exactly
do I do it?  Please give details.  Perhaps this is something that should
be in the FAQ.

Bryan

On Sat, 13 Nov 1999 08:49:06 -0700 Tesla List <tesla-at-pupman-dot-com> writes:
> Original Poster: "Ross Overstreet" <ross-o-at-mindspring-dot-com> 
> 
> Hey Guys,
> 
> Last week I decided that I was tired of dragging around my coil with
the 4
> NSTs and 2 rolled LDPE caps bolted to the base.  The 150+lb coil
assembly
> was just too annoying.  In order to lighten things up a bit, I decided
to
> build a MMC and enhance one of my NSTs by depotting and removing some
of >the current shunts.  Here is the progress that I have made on the NST
so far.  I
> will report on the MMC as soon as I get it all soldered up.
> 
> The first step involved finding my very best Franceformer 12/60 and
then
> attacking it with a chisel and ball peen hammer.  I managed to overcome
the
> case and then I put the tar-laden core in the freezer.  The next few
> evenings involved chipping at the tar while trying to avoid destroying
the
> wires.  Then came the days of soaking NST in gasoline and digging
through
> the soft tar with various tools.  Finally, I managed to completely
> disassemble the core and get the primary off.  The secondaries still
> wouldn't come off so I put the 2 halves of E core with secondaries
still
> attached in the oven and baked them at about 225 for an hour.  The
> secondaries slid off nicely this time!  Since I finally had all of the
wire
> off the core, I worked on it with some aggressive solvent to remove
> virtually all traces of tar.  Both secondaries and the primary went
back
> into the bucket of gasoline, then to the gasoline soaked toothbrush,
then
> soapy water, and finally back in the oven to be dried.  The components
were
> so clean at this point that you can hardly tell that it was ever
potted.
> BTW, this cleaning procedure was a terrible pain, next time I will
simply
> use heat from the start!
<snip>
> 
> Hot-rodding NSTs in Huntington Beach, CA
> Ross

Hello Ross, Everyone

Since I have been hearing such great results from people who have
deshunted there NSTs, I have been thinking of deshunting one of my own
NSTs.  What is the most recomended method for doing so, and how exactly
do I do it?  Please give details.

Bryan
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