Re: Unpot

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>

I've come into this discussion very late.  Why would
you want to unpot a transformer anyway?  Just
curious...

--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: tesla popp <teslas_lab@xxxxxxxxx>
>
> I've to date unpoted more than 100 NST's, and in the
> begining I used to kill TONS OF SECONDARY WINDINGS!
> I
> developed a few tricks to saving the transformers...
>
> In your case here's what it the most effective way
> to
> fix it:
>
> (1) using a tweasers, pull the broken peices of wire
> away from the rest of the windings at least 3/4".
> (2) use a lighter to QUICKLY burn away the enamel
> coating from the wire.  You must move with causion
> as
> you will melt the wires easily.
> (3) use the finest steel wool you can find to clean
> the burnt enamel from the wire(s) in a pulling only
> motion. "should require less than 3 passes" [note:
> be
> shure to "blow away" any powder left by the steel
> wool*]
> (4) now, take a peice if fine stranded wire
> "#22-#18"
> and wrap the super fine wire around the ends of the
> stranded wire.
> (5) carefully apply HIGH GRADE SILVER SOLDER* to the
> ends of the stranded wire,  The solder will engulf
> the
> fine transformer wire in the process
> (6) place a peice of plastic under the repaired
> joint
> so it dosen't arc to the windings underneath it.
> (7) use hot glue of something similar to cover the
> joint "and lead wire if you used one" so that
> nothing
> is pulling on the joint it self.
>
> I've used this repair technique on all the
> transformers I've messed up in the depoting process.
> If this is unclear, I will give more info and maby
> some pics if you truely need them.
> I would like to know if it worked for you, so please
> tell me if it did.
>
> Good Luck
> Coiler Forever: Jeremiah Popp
>
>
>
> --- Tesla list <tesla@xxxxxxxxxx> wrote:
>
>  > Original poster: "Rich" <rdjmgmt@xxxxxxxxxx>
>  >
>  > I have had a transformer soaking in gas for
> awhile,
>  > I just took it
>  > out and cleaned it up with lacquer thinner. What
> a
>  > mess! Now to my
>  > question, the secondarys are a mess and nicked on
>  > the outer windings.
>  > , I goofed and was too rough a while back trying
> to
>  > remove the tar.
>  > The transformer is a Jefferson 15Kv 60ma. The
>  > secondarys are about
>  > 36ga wire and I don't have any butt splices that
>  > size but I do have
>  > some .004 copper sheet from a transformer
> winding.
>  > My question is
>  > would it work to lightly sand the outer windings
> and
>  > solder a strip
>  > of the .004 copper to it for a lead point? I do
> not
>  > feel safe trying
>  > to solder to the end of the 36ga.
>  > If it works I plan on making a Lexan box for it.
>  >
>  > Rich
>  >
>  >
>  >
>
>
>



	
		
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