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Re: repair
Tesla List wrote:
>
> Subscriber: jim.fosse-at-bdt-dot-com Sat Feb 1 22:08:11 1997
> Date: Sat, 01 Feb 1997 19:42:54 GMT
> From: Jim Fosse <jim.fosse-at-bdt-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: repair
>
> >Date: Fri, 31 Jan 1997 13:10:27 -0600
> >From: RODERICK MAXWELL <major-at-vicksburg-dot-com>
> >To: Tesla List <tesla-at-poodle.pupman-dot-com>
> >Subject: Re: repair
> >
>
> >> > > [ I have. It was fun, but that's because I built the winder and had fun
> >> > > doing that. I wouldn't recommend doing it. It's extremely labor
> >> > > intensive. You need to build a winder that has a turn counter on it and
> >> > > a power cross feed. You cannot wind the 32 ga wire by hand and expect it
> >> > > to lay flat. The power feed needs to have a reverse too. I discovered
> >> > > that the hard way and had to put the reverse on it after I had made a
> >> > > lopsided coil of 10,500 turns. -- Chip]
> >> >
> >> > I just thougt I'd ask!
> >> >
> >
> >
> > I still think I'm going to give a shot though. What I'll do is use 28#
> >wire and shoot for lower voltage and higher current. I'll also remove a
> >couple of shunts from each side to increase current output. Using the
> >larger gauge wire to wind the secondaries should make things a lot
> >easier. I have a book on how to wind magnetic induction coils that
> >describes how to build a winder. It may take me a while to get it all
> >together but I think it will be worth it if you can salvage or repair
> >ALL of the transformers that you can beg, borrow, or steal!
> >
> Rodrick,
> If that doesn't work you can still use the neon and primary
> for: 1) put a single turn short of 3/8 copper tubing where each
> secondary was and use it as part of a ballast for a pig. 2) Rewind
> each secondary with 12 turns of #6 wire. My former 15kV 60mA neon now
> put out 7.5V at 65 amps from each secondary.
>
> With the secondaries in parallel I use the 7.5V at 130A for resistance
> soldering and electrochemical cells. In Series 15V at 65A for a quick
> battery charger.
>
> Regards,
>
> jim
>
> ps. 8k ish is the normal DC resistance for a neon secondary. The
> megohm secondary is bad.
>
> My 15kV 60ma neon is 10" by 6" by 7", my 30ma neon is about 1/2 that
> volumn.
>
> jim
Thanks for the information! I never thought to use them in any other
fashion other than high voltage. They would probably make good filament
transformers for that tube coil if I ever get around to building it!