Re: !!~!Re: Question about ballasting and VA

• To: tesla-at-pupman-dot-com
• Subject: Re: !!~!Re: Question about ballasting and VA
• From: FutureT-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 06 Mar 2000 11:57:26 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

In a message dated 00-03-06 10:24:19 EST, you write:

<< 
> > Bart,
> >
> > I found too that my ballast behaved more like a current limiter
> > in my old pig powered coil with the async gap.  My 120 bps sync gap
> > (potential xfrmer powered TC's) require very precise ballasting.  If I 
turn
> > the ballast tap knob one click either higher or lower, the coil will often
> > give no spark output at all, or just an extremely feeble spark.  This is
> > because I run the coil in resonant charging mode at 120 bps, which
> > gives excellent power factor by the way.  I don't remember if the
> > ballast positon was was quite so critical at 240 bps.
 
> Interesting. I find it strange that the variac acts this way, but only
> because I
> haven't experienced this effect with my setup. >>   snip
> Bart

Bart,  

Just to clarify, I'm not using a variac as a ballast, but a homemade
tappable inductor instead.  Although the concept would be the same.

cheers,
John

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