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Re: HF interference and transformer array (fwd)



---------- Forwarded message ----------
Date: Mon, 19 Jan 1998 17:27:20 -0700
From: "D.C. Cox" <DR.RESONANCE-at-next-wave-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: HF interference and transformer array (fwd)

to: H.E.

Hit the yellow pages of phone books for major cities near your area (free
at the local library).  Make a few calls and you can usually find a few
NST's for a reasonable price.  If you discuss your "interesting" project
with the NST owner and promise to return later with a few photo's of your
Tesla in operation (and carry thru on your promise) you usually can get
them either for free or for $10.  Or ----- send your young friend or son
with a "school science project" and some photos -- almost always guarantees
a few NST's.  Don't quit --- just get to work!!!

DR.RESONANCE-at-next-wave-dot-net


----------
> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: HF interference and transformer array (fwd)
> Date: Sunday, January 18, 1998 8:16 AM
> 
> 
> 
> ---------- Forwarded message ----------
> Date: Sun, 18 Jan 1998 14:12:57 +0100
> From: "H. E. Edens" <edens-at-multiweb.nl>
> To: tesla-at-pupman-dot-com
> Subject: HF interference and transformer array
> 
> I'm about to build an 'adult' Tesla coil, but I 'm just wondering,
> does anyone know if/how these devices interfere with
> other electronical equipment like TVs and radios? ....should
> the spark gap be shielded? and do the streamers at the secondary
> broadcast in the ether?
> 
> another thing:
> My coil has to run by two 1:200 transformers, 200 VA each, with
> secondaries
> connected in series, primaries in parallel - and these connected to the
> secondary of a genuine
> toroidal transformer rated 500 VA -at- 2x22 Volts. The two 1:200
> transformers are
> insulated for minimal 20 kV a piece, so hopefully I'll end up with 17.6
> kV -at- 23 mA.
> All this because it seems to be impossible to obtain NSTs at my place.
> My question: Does anyone have any experience with such an array of
> transformers?
> Will it work fine? Any comment would be highly appreciated - thanks
> 
> 
> Harald Edens
>