Here is the story of someone who died from Zinc Flu
http://www.anvilfire.com/iForge/tutor.php?lesson=safety3/demo
He was a blacksmith and was burning the galvanizing off a few lengths of
pipe.
The stuff is toxic...
> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx
> [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of jhowson4@xxxxxxxxxxx
> Sent: Friday, November 22, 2013 06:06
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] DC Coil progress.
>
> Greg,
> I would stay away from the galvanized rod if I were you.
> If you vaporize the zinc coating and happen to breath it, its
> just as bad or worse as the stainless. Zinc poisioning can
> kill you infact.
> Or so they said in my tig welding class last year.
> Since I presume a hospital trip is not on your agenda.
> I would recomend either tungsten or brass.
> I sell tungsten of any diameter and cut it too for reasonable
> prices. (I know a guy)
> Contact off list if your interested.
>
> Cheers,
> John "Jay" Howson IV
>
> Sent from a tiny phone with a tiny keyboard.
>
> ----- Reply message -----
> From: "Greg Peters" <greg.j.peters@xxxxxxxxx>
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Subject: [TCML] DC Coil progress.
> Date: Thu, Nov 21, 2013 11:40 pm
>
>
> Thanks everyone for their interest in this project. I will post more
> pics of the various components and transformers over the weekend.
>
> I have some 10mm galvanised steel rod on hand so I will substitute
> that until I can find some brass. Hopefully it will perform OK. Sounds
> like it will be OK given what Dave said in his post, though I wouldn't
> have though the thermal conductivity would be any better than
> stainless.
>
> Ted, thanks for the info. That 6 mot coil of yours must be a real
> beast. I've been wanting to build a 3-phase coil since I was a
> teenager! I'm hoping to not have to use any filter cap at all given
> that I will only be drawing 5-6kW from a supply that could easily do
> 10. It will be nice to not have to pull 40A from one phase and dim the
> neighnours lights! I'm still working the choke thing out. I was
> contemplating having a go at winding one myself. Or the series gapped
> mots could work too. Still trying to decide which way to go with it.
>
> Greg, that's a great paper and coil there and I appreciate having some
> real DC coil specs on hand. I like your "medium" designation for a
> 50kW coil!
>
> I'm happy to try any power supply configuration if you're willing to
> advise a suitable topology. I find the one I posted easy to understand
> but would need help setting up a delta version. I need a topology that
> extracts the full phase to phase voltage, or at least close to it,
> given that my transformers are only 2400v.
>
> I was planning to use 6 MOTs, they have 240v primaries and 2400v
> secondaries. We run 240v here in Oz, so I have 415v between phases. I
> was going to run two mots per phase with the primaries in parallel and
> the secondaries in series. The primaries were going to be run between
> active and neutral in a star configuration, as per the image on my
> site. This gives 24kV or so in the tank circuit after the choke.
> Naturally there is the potential to run the primaries in series
> between phases in a delta configuration. Are you able to offer some
> advice on how such a configuration should be set up?
>
> Anyway, I hope all that makes sense. Thanks again everyone for your
> advice and interest.
>
>
> On Fri, Nov 22, 2013 at 12:18 PM, Greg Leyh <lod@xxxxxxxxxxx> wrote:
> > Hi Greg,
> >
> > Big fun ahead! You might consider a delta-delta or
> delta-wye xfmr config;
> > much better phase balancing, harmonic content, and response to fault
> > conditions.
> >
> > Another Greg in a parallel universe in a time before the
> Internet tried a
> > similar thing: http://lod.org/misc/Leyh/Papers/TCBA_GELeyh.pdf
> >
> > Note: Continued strikes to vehicles will blow the bead
> seals on pneumatic
> > tires. -GL
> >
> >
> >> Date: Thu, 21 Nov 2013 13:52:02 +1000
> >> From: Greg Peters<greg.j.peters@xxxxxxxxx>
> >> To: Tesla@xxxxxxxxxx
> >> Subject: [TCML] DC Coil progress.
> >>
> Message-ID:<rq97dva57a63sdp8t76jv0s0.1385005922512@xxxxxxxxxxxxxxxxx>
> >> Content-Type: text/plain; charset=utf-8
> >>
> >> Hi all,?
> >>
> >> For anyone interested, ?I am documenting the progress of
> my new 3 phase DC
> >> coil on my new blog:
> >>
> >> Http:// www.gregsstuff.com
> >>
> >> Cheers,?
> >>
> >> Greg.
> >
> >
> > _______________________________________________
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