Re: More rotary gap questions... (fwd)

To: tesla-at-poodle.pupman-dot-com
Subject: Re: More rotary gap questions... (fwd)
From: Tesla List <tesla-at-stic-dot-net>
Date: Mon, 21 Apr 1997 00:44:56 -0500
Approved: tesla-at-stic-dot-net
Subject:  Re: More rotary gap questions... (fwd)
  Date:   Mon, 21 Apr 1997 03:00:17 -0700
  From:   "DR.RESONANCE" <DR.RESONANCE-at-next-wave-dot-net>
    To:   "Tesla List" <tesla-at-pupman-dot-com>


To: Daryl

Sorry for the lack of info on our description.  The brass piece is
usually
pressed axially thru a G-10 rotor that has been drilled and precision
reamed.  The brass is tapped on each end and fitted with a screw in
electrode of a tungsten/molydenum alloy.  This electrode has male
threads
of 3/8-16NC that screw into the female threads in the brass piece.  The
entire rotor is then balanced to 7500 RPM for safety reasons.  They
usually
run at either 1725 RPM or 3450 RPM depending on the coil design.

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


----------
> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-poodle.pupman-dot-com
> Subject: Re: More rotary gap questions... (fwd)
> Date: Friday,April 18,1997 8:57 AM
> 
> Subject:  Re: More rotary gap questions... (fwd)
>   Date:   Fri, 18 Apr 1997 06:39:27 -0400
>   From:   "Daryl P. Dacko" <mycrump-at-cris-dot-com>
>     To:   Tesla List <tesla-at-pupman-dot-com>
> 
> 
> At 11:07 PM 4/17/97 -0500, you wrote:
> 
> >One important consideration is that even like good old DC circuits, AC
> >circuits including RF AC circuits still follow some of the basic rules
> >for
> >DC resistance.  Even though most coilers use copper tubing primarys,
> >good
> >grade caps, etc. they sometimes forget that the most circuit resistance
> >is
> >thru the stainless steel or steel electrodes in their sparkgaps.  If you
> >budget can afford it, use brass with screw in electrodes --- the result
> >will be much higher RF currents that won't be limited by the weakest
> >link
> >in your series chain --- the RSG materials.  If you are on a budget
> >steel
> >is OKI, but try to avoid stainless -- very toxic gases are emitted by
> >burning stainless steel -- ask any welder who works on stainless steel
> >tanks and they will describe the special precautions they are required
> >to
> >use (OSHA, etc) when welding inside stainless steel pipes or tanks.  
> >
> >DR.RESONANCE-at-next-wave-dot-net
> 
> Hmm, ok, I haden't heard about toxic fumes from stainless steel, thanks
> for the info.
> 
> As for the "brass with screw in electrodes", do yo mean brass electrodes
> that screw in, or some sort of brass holder that the electrodes screw in
> to ? 
> 
> Sorry for the really clueless questions, but what I don't know about
> mechanical design would fill a large book...
> 
> Daryl