Re: A figure of merit

• To: tesla-at-pupman-dot-com
• Subject: Re: A figure of merit
• From: "Malcolm Watts" <malcolm.watts-at-wnp.ac.nz> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 26 Apr 2000 19:24:09 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Hi Ken,
            Does primary voltage really mean a great deal in this 
context? How about primary power, or even primary energy? Is 
there any reason why a coil using an 60V power supply couldn't do 
better? I take it you were using 160VDC rails? Is there any reason 
why a coil using the same supply voltage as yours couldn't do better?

Regards,
Malcolm
 
On 26 Apr 00, at 12:43, Tesla List wrote:

> Original Poster: "Kennan C Herrick" <kcha1-at-juno-dot-com> 
> 
> A while back Gary Johnson asked for reports on solid-state spark length;
> and I responded with a proposal for a figure of merit or "quality"
> measure for Tesla coils: spark length to a grounded point per primary
> volt--for all builders, solid state and "spark".  I proposed millimeters
> per volt just to make the number less depressing (25.4 mm are in each and
> every inch!).
> 
> But there's been a silence.  So I repeat it.  How about it, everyone? 
> Any interest?
> 
> I put up 3.8 mm/V:  ~24" or 610 mm with 160 V on my solid-state primary.
> 
> Ken Herrick
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