RE: France unpotting progress. 12 and 15 60s

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Jim Mora" <jmora@xxxxxxxxxxx>

Hi Jack,

Please contact me off list with some prices.

Thanks Jim Mora.

-----Original Message-----
From: Tesla list [mailto:tesla@xxxxxxxxxx]
Sent: Monday, March 05, 2007 1:00 PM
To: tesla@xxxxxxxxxx
Subject: RE: France unpotting progress. 12 and 15 60s

Original poster: "Jack King" <ekklekktikk@xxxxxxxxxxx>

If you still want that xray tranny - it would be
an ideal time to ship all items in one crate -
sending neon transformers alone can cost $30 or
so ea in shipping (via fedex or ups)  - but -
parking a couple of them in a crate with a 300 lb
transformer would maybe blip up the truck freight bill by $5-10 bux...

Let me know - Im still eager to make some space and share my treasure trove

Jack


>From: "Tesla list" <tesla@xxxxxxxxxx>
>To: tesla@xxxxxxxxxx
>Subject: RE: France unpotting progress. 12 and 15 60s
>Date: Sun, 04 Mar 2007 22:57:28 -0700
>
>Original poster: "Jim Mora" <jmora@xxxxxxxxxxx>
>
>Hi Jack,
>
>I could make use of the 12 or 15/60. The broken horns are irrelevant as I
>found repotting in the original tank simply too messy of a clean up job.
One
>of these with my full wave quadrupler should charge the big discharge caps
>(4.1uf, 50KV)x 2 in parallel (they won't ever see more than 30-40kv)for a
>wire exploding demo.
>
>I have been charge testing with a 1uf, 30KV Maxwell. The discharge
>electrodes are to be 2" solid brass dowels, pneumatically driven.
>
>Regards,
>Jim Mora
>
>-----Original Message-----
>From: Tesla list [mailto:tesla@xxxxxxxxxx]
>Sent: Sunday, March 04, 2007 2:34 PM
>To: tesla@xxxxxxxxxx
>Subject: RE: France unpotting progress. 12 and 15 60s
>
>Original poster: "Jack King" <ekklekktikk@xxxxxxxxxxx>
>
>
>Hey Jim
>
>If your in a tar dissolving frenzy, I have a number of FRANCEFORMER
>12 and 15 kv @ 60 ma units that could have similar surgery performed.
>These are good cores, but with one or more damaged HV bushings....
>
>If anyone is interested, I wouldnt mind sending the 6 or so I have to
>one or two locations...
>
>Ill be real resonable too :^)
>
>Cheers
>
>Jack King
>
>
>
> >From: "Tesla list" <tesla@xxxxxxxxxx>
> >To: tesla@xxxxxxxxxx
> >Subject: France unpotting progress. Proof positive aging Frances/tar
> >potted trans carbon track.
> >Date: Sat, 03 Mar 2007 22:23:24 -0700
> >
> >Original poster: "Jim Mora" <jmora@xxxxxxxxxxx>
> >
> >Hi,
> >
> >I pulled my 12/30 out of it's marinade of gas and diesel fuel and bushed
> >away to the shunts nice and clean - quite a few. I'm going to give it
> >another day or two, brush it again at the tops of the HV coils and
submerge
> >it in a cleaner solution. Geez, these are nice without the bulk! The next
> >phase may be to start submerging it in mineral oil to mix with the
solvents
> >and displace them. I have a vacuum pump if I can find a suitable
evacuation
> >chamber. First to knock out some shunts!
> >
> >The spark of this transformer was a weak purple. There were visible
cracks
> >in the tar. The windings measured at least 1K ohm difference to ground.
Now
> >the resistance is equal and substantially higher. This is a circa mid
90's
> >France transformer... so beware:-^)
> >
> >I'll snap a couple of pictures before I button it up and put em up on my
> >Google blog. Internally, it is very straight forward.
> >
> >I'll take out half the shunts as advised and mind the short circuit
current
> >which will be high with the giant caps I'm trying to charge. The voltage
> >full wave Cockcroft/Walton quadrupler is awaiting the France. As
mentioned
> >it works great with a healthy, newish transformer.
> >
> >Jim Mora
> >
> >I have a ferro - resonant dual C core almost this size for a 100Khz
charger
> >project as well; but, I'm still "stuck in the sixties". And most of us
like
> >taking things apart and a long time ago playing in the mud!
> >
>
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