VOLTS PER MM

• To: tesla-at-pupman-dot-com
• Subject: VOLTS PER MM
• From: Gary Lau 18-Sep-1998 0740 <lau-at-hdecad.ENET.dec-dot-com> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Fri, 18 Sep 1998 16:02:41 -0600
• Approved: terryf-at-verinet-dot-com

> Original Poster: Cabbott Sanders <cabbott-at-cyberis-dot-net> 
> 
> Hi, I need to make a safety gap for my cap..... If i want to set it to 40
kv,
> how far apart is that????  does anyone have a volts per distance table of
> air at
> sea level?? a formula perhaps?


I don't think there's a need to get this analytical.  Just construct the
safety
gaps such that they're adjustable.  Then run your power supply without the
tank
circuit hooked up, adjust the gap so that it just begins to fire, then back
off
a bit.  For my 15KV NST, the gap on each side to ground is about 0.25".

Gary Lau
Waltham, MA USA

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