RE: My 4 inch Tesla Coil (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Sat, 27 Oct 2007 22:14:35 -0400
From: Scott Bogard <teslas-intern@xxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: RE: My 4 inch Tesla Coil  (fwd)


Amir,
     You may also consider a synchronous rotary spark gap, a bit tricker
to build, but once it is phased correctly it should be the healthiest
option for your NST.  Use it with a properly sized cap.  Good luck.

Scott Bogard.

> Date: Fri, 26 Oct 2007 21:31:14 -0600
> From: tesla@xxxxxxxxxx
> To: tesla@xxxxxxxxxx
> Subject: Re: My 4 inch Tesla Coil  (fwd)
> 
> 
> ---------- Forwarded message ----------
> Date: Fri, 26 Oct 2007 13:47:46 -0700 (PDT)
> From: G Hunter <dogbrain_39560@xxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: Re: My 4 inch Tesla Coil  (fwd)
> 
> NSTs are fragile.  The ARSG probably overvolted it and
> killed it.  I doubt an RF low pass filter would have
> helped any.  Best thing to do with your new 15/30 is
> to run a static spark gap.  Keep the gap spacing
> conservative, and use a larger-than-resonant tank cap.
>  These measures will help your NST live longer.
> 
> Cheers,
> 
> Greg
> 
> --- Tesla list <tesla@xxxxxxxxxx> wrote:
> 
> > 
> > ---------- Forwarded message ----------
> > Date: Thu, 25 Oct 2007 21:00:07 EDT
> > From: Ln2guy42@xxxxxxx
> > To: tesla@xxxxxxxxxx
> > Subject: Re: My 4 inch Tesla Coil  (fwd)
> > 
> > Thank you all for all your comments!
> >  
> > I know that my power supply is low, that's because
> > my parents are concerned  
> > about my safety and they don't want me getting hurt.
> > In fact, I had to earn 
> > that  6kv 30ma transformer. When I first wanted to
> > build the tesla coil, my dad  
> > wouldn't let me use mains power, so I built a
> > battery powered flyback  
> > transformer driver circuit. I used that to power my
> > tesla coil for a  couple of 
> > months before buying the NST. The video of the DC
> > Tesla Coil is at 
> > _http://youtube.com/watch?v=_oQNf1T0dnY_
> > (http://youtube.com/watch?v=_oQNf1T0dnY)  
> >  
> > Unfortunately, my NST died recently, so I just
> > ordered a 15kv 30ma (450  
> > watts)NST off of ebay. I am hoping to get longer
> > discharges with that. 
> >  
> > I was wondering if anyone could explain to me why my
> > other NST died. 
> > I was trying it with an asynchronous rotary spark
> > gap with the TC and I had  
> > only run it for about 10 seconds for the first time
> > that day, when it just  
> > stopped arcing. I had no filters or any rf chokes
> > which is what I suspect was  
> > what caused it. I didn't think I needed them because
> > I was dealing with such 
> > low  power.
> > On my next transformer I will definitely put in a
> > terry filter on it. 
> >  
> > You guys are really nice!
> > Thank you
> > Amir
> >  
> >  
> > 
> > 
> > 
> > ************************************** See what's
> > new at http://www.aol.com
> > 
> > 
> > 
> 
> 
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