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Tar & HV Oil



I heated my neon transformer in the kitchen oven for about an hour at 200
degrees F.  When the tar was liquid I removed the neon from the oven.
Carefully pour the tar out of the case into a pan.  NOTE: the tar is the
only thing that holds the transformer into the case, so be careful not to
let the transformer fall out of the case while pouring out the tar.  Next I
put the pan of tar on my camp stove and heated it and poured in some high
voltage oil.  The oil was very slow to mix with the tar but after about 5
minutes it was all stired in.  I poured in about 1/2 cup of HV oil at first
as an experement and then let the tar cool.  The cool tar was very hard when
cool so I melted the tar again and stired in another 1/2 cups of oil.  When
the tar cooled this time it was solid but very soft.  I melted the tar again
and poured it back into the case with the neon transformer.  I knew the tar
would cool and get hard very fast when poured on the room temperature
transformer so once again I put the neon in the kitchen over for one hour to
melt the tar.  This time the tar melted at a lower temperature.  When the
tar melted it filled in all the air space in the case and I was able to pour
the rest of the tar from the pan into the case. I figured the tar would soak
into the coils of the transformer.  This is the next best thing to having a
neon in HV oil.  

Gary Weaver


At 09:35 PM 9/22/98 -0600, you wrote:
>Original Poster: RWB355-at-aol-dot-com 
>
>
>MAIL was:  Here pig pig pig (unpotting)
>Original Poster: gweaver <gweaver-at-earthlink-dot-net> 
> 
>>SNIP 
> 1. You can stir in about 3/4 to 1 cup of high voltage into the tar and let
> it cool. This makes a very strong neon transformer. 
> 
> SNIP>
>Hi Gary, ALL
>
>Quick question: How do you "stir in" a cup of high voltage ?? Sounds
definately
>interesting.
>
> I would (if I could get a good sized NST in germany, which I canīt) pot the
>thing in  a metal container containing castor oil or Shell Diala-X. 
>I mean if I go to the trouble to remove the tar, why should I put it back
on??
>Tar is no good for RF usage. It wonīt insulate a high voltage source
"covered"
>with stray RF.
>
>Coiler greets from germany,
>Reinhard
>
>
>
>