[TCML] Not an Oudin coil (was: Re: Single ear piglet)

["J. Aaron Holmes" <jaholmes6502@xxxxxxxxx>]

An Oudin coil is an autotransformer, yes?  Definitely not what you're doing, David.  An Oudin coil with a one-eared pole pig for a primary source would certainly be far, far greater *guaranteed* danger than a similar Tesla coil with a primary/secondary arrangement.  An Oudin coil with a one-eared pig means that you're standing on one leg of the primary HV and the other is wired directly to the streamer that's about to hit you.  With a Tesla coil, the concern for 50/60Hz on the streamers is generally tied to the concern that a coincidental primary-to-secondary flashover occurs, setting up a transient Oudin-coil-like scenario.  Still not something to scoff at, but you do have to get [un]lucky.

Regards,
Aaron, N7OE

--- On Thu, 4/23/09, David Rieben <drieben@xxxxxxxxxxx> wrote:

> From: David Rieben <drieben@xxxxxxxxxxx>
> Subject: Re: [TCML] Single ear piglet
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Date: Thursday, April 23, 2009, 6:38 AM
> Hi Jim,
> 
> 
> Hmm, I'm not sure if I understand what you're asking?
> First of all, yes, I suppose I am running it in the
> classic
> Oudin coil setup, as you describe. I think one of the
> big "red flags" with this was that if one were to come in
> contact with one of the streamers, it was tied into the
> 60 hz primary currents and could prove a lethal shock
> hazard. However, I think it's prertty well universally
> undesrstood amongst the list membership by now that
> you don't let 13 foot arcs hit your body under any cir-
> cumstances, anyway. ;^)
> 

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