RE: [TCML] Parallel sparkgaps for lower losses(shape)

[johnbrooks@xxxxxxxxxxx]

I feel that its best to mill the ends of 1/2 tungsten approx the shape
of a .45?
or leave it flat??
j.


On Thu, 6 Dec 2007 01:31:22 +0000, "Lau, Gary" <Gary.Lau@xxxxxx> said:
> I doubt that electrode geometry could affect the spark channel area or
> resistance, as I think the channel area is strictly a function of
> current.  It may be more of the idea behind a cylinder gap - spread the
> arcing out over a wide area to minimize electrode erosion and localized
> heating, even though the spark occurs only at one small spot at any given
> instant.
> 
> Regards, Gary Lau
> MA, USA
> 
> > -----Original Message-----
> > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> > Behalf Of Ed Phillips
> > Sent: Wednesday, December 05, 2007 7:48 PM
> > To: Tesla Coil Mailing List
> > Subject: Re: [TCML] Parallel sparkgaps for lower losses
> >
> >     "In the good old days of spark" it was common practice to make an
> > RSG using very wide strips of metal, mounted perpedicular to the disk,
> > for discharge electrodes.  IF they could be aligned well enough they
> > probably cut the spark resistance by increasing the spark area and
> > certainly provided cooling.
> >
> > Ed
> 
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