Re: [TCML] How Important is Location?

[Phillip Slawinski <pslawinski@xxxxxxxxx>]

Gary,

You could just use a DRSSTC, or other solid state coil.  This avoids the gap
adjustment problem all together.

-Phillip Slawinski

On Thu, Apr 1, 2010 at 07:51, Lau, Gary <Gary.Lau@xxxxxx> wrote:

> To make the mechanical adjustment is easy.  The thing that's difficult is
> to know when the adjustment is right.  If one was trying to determine if
> longer sparks result from operating at a higher altitude, it would be
> crucial to have the gap adjusted to the identical breakdown voltage.  The
> method that is (or should be) used to set the gap width is to have it just
> start to arc when only the NST is connected to the gap.  But performance
> will always improve with increasing gap width and breakdown voltage, and I
> suspect that setting the gap 10 times would result in 10 different breakdown
> voltages.  This is OK for just setting up a coil, but to definitively answer
> if a coil makes bigger sparks at high altitudes, careful measurement is
> needed.
>
> Regards, Gary Lau
> MA, USA
>
> > -----Original Message-----
> > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> > Behalf Of Alice
> > Sent: Thursday, April 01, 2010 12:43 AM
> > To: Tesla Coil Mailing List
> > Subject: Re: [TCML] How Important is Location?
> >
> > Hello Bob and everyone,
> >
> > Thank you all for answering my question so clearly.  It does seem
> location
> > does make a bit of difference.
> >
> >  Gary said, "If using a static spark gap, assuming that no adjustment was
> > made for altitude, the gap breakdown voltage for a given gap width will
> be
> > lower at high altitudes.  This would result in a smaller "bang" size and
> > lower performance, so to keep things equal, a high-altitude coil would
> need
> > the gap width expanded to compensate."
> >
> > Is this an easy thing....to tweek a screw or whatever to expand the spark
> > gap?  (What I mean by easy is that only a simple adjustment is required,
> not
> > the need to replace whole parts.)
> >
> > Thanks for the welcome, Bob.
> >
> > Best wishes, Becky
>
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