Re: [TCML] tesla coil blowers

["Jonathan Peakall" <jpeakall@xxxxxxxxxxxx>]

Sounds good to me too. The decrease in performance was easy to see and 
reproducible, no fancy measurements required. If I didn't now live off grid 
with a fancy inverter to worry about I'd play with it some.

Jonathan

----- Original Message ----- 
From: "Carl Noggle" <cn@xxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Friday, November 25, 2011 9:06 PM
Subject: Re: [TCML] tesla coil blowers


> Hey---Sounds like a reasonable theory.  There should be a gap length for
> max performance corresponding to each blower speed.  I'll check it on
> mine--it's an annular blower gap.  I'll report findings.
>
> ---Carl
>
> > Though no one asked, I'll offer my theory.  The air between the 
> > electrodes
> > in a sucker gap is at a lower pressure than the surrounding atmospheric
> > air.  As the pressure is reduced, the breakdown voltage of the gap is
> > reduced.  A lower breakdown voltage delivers smaller bangs, and lower
> > performance.  Just a theory though - I haven't run my sucker gap in many
> > years and I haven't personally witnessed this.
> >
> > Regards, Gary Lau
> > MA, USA
> >
> > On Fri, Nov 25, 2011 at 6:29 PM, Jonathan 
> > Peakall<jpeakall@xxxxxxxxxxxx>wrote:
> >
> > > I found with my sucker gap that too much vac actually decreased
> > > performance. There was a sweet spot somewhere around the 20-30% power 
> > > mark,
> > > as Gary describes.
> > >
> > > Jonathan
> > >
> > > ----- Original Message ----- From: "Carl Noggle"<cn@xxxxx>
> > > To: "Tesla Coil Mailing List"<tesla@xxxxxxxxxx>
> > > Sent: Friday, November 25, 2011 8:04 AM
> > > Subject: Re: [TCML] tesla coil blowers
> > >
> > >
> > >   Thanks, Gary--after 20 years of running my coil I never thought of
> > > > that.  Probably make for longer motor life, too, although in that time 
> > > > I
> > > > have only had to replace it once.  Still, I had egg on my face in the
> > > > middle of a show.  A small step-down autotransformer would work well, 
> > > > too.
> > > >
> > > > ---Carl
> > _______________________________________________
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> > Tesla@xxxxxxxxxx
> > http://www.pupman.com/mailman/listinfo/tesla
>
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