Re: [TCML] How Important is Location?

[Steve Ward <steve.ward@xxxxxxxxx>]

Depends on what it was you were trying to understand in the first place.  We
cant help it if our fancy solid-state control stuff makes for a better
instrument ;-)

Steve

On Thu, Apr 1, 2010 at 11:10 AM, <mddeming@xxxxxxx> wrote:

>
> Hi Phillip, Gary, All,
>
> This is, of course, one solution, but I'm not sure that the best way to
> solve the problem of a "barking dog" is to trade it in on a "cat." ;^)).
> Streamer length also varies with atmospheric conditions in a DRSSTC, but to
> a lesser extent.
> Matt D.
>
>
>
>
> -----Original Message-----
> From: Phillip Slawinski <pslawinski@xxxxxxxxx>
> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Sent: Thu, Apr 1, 2010 9:23 am
> Subject: Re: [TCML] How Important is Location?
>
>
> Gary,
> You could just use a DRSSTC, or other solid state coil.  This avoids the
> gap
> djustment 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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