Re: [TCML] SISG coil

[bartb <bartb@xxxxxxxxxxxxxxxx>]

Phil, nothing like that at all. There is 3/8" plexi on the bottom and 
1/2" nylon standoffs and nylon bolts that tie the cap plate to the 
cabinet. And of course, had no problems. It's a quick lash up, but 
nothing is tied directly to wood (that would be carbon track city).

Take care,
Bart

Phil Tuck wrote:
> Bart,
> I'm just curious, but it look like the caps are located on two brackets
> which bolt direct to the wood. If so did you not get problems?
>
> Regards
> Phil
>
> www.hvtesla.com
>
> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
> Of bartb
> Sent: 21 August 2010 01:27
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] SISG coil
>
> Thanks James,
>
> Yeah, built one myself
> http://www.classictesla.com/photos/sisg/sisg.html
>
> My output was ok but not quite wonderful. I suspect due to running a low 
> 60nF which is why I was curious about your cap size. A couple weeks ago 
> I pulled the SISG out of the base as I plan to refit this coil for a 
> DRSSTC (due to the turns and frequency, it's usable in a DR, although 
> maybe not ideal).
>
> Take care,
> Bart
>
> James wrote:
>   
> > Hi Bart, prolly 100nF in that vid. I normally run that coil on three
> >     
> MOT's,
>   
> > sec's in series, pri's in parallel. A large choke is used to control the
> > current. Normally (using MOT PS) the SISG coil uses 144nF. Firing at 12KV.
> > The firing voltage is determined by the SIDAC string. Each module conducts
> > around 900 to 1000 volts. I am using 12 when running on the MOT's, 16
> > modules when using the pole xmfr. Thing about the SISG coil is how spooky
> >     
> it
>   
> > is. When the coil is energized, but the variac is set lower than the
> >     
> firing
>   
> > voltage, there is no noise. Back in the old days with the spark gap coils
> > you could hear the coil was energized (it would hiss) even if it wasn't
> > firing the spark gap.  Since the SISG runs on DC, extreme caution is
> > required. James
> >
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