Re: Vtop vs coil length

• To: tesla-at-pupman-dot-com
• Subject: Re: Vtop vs coil length
• From: "Malcolm Watts" <malcolm.watts-at-wnp.ac.nz> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Tue, 08 Jun 1999 06:08:31 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Hi Dr R,

> Original Poster: "Dr. Resonance" <Dr.Resonance-at-next-wave-dot-net> 
> 
> to: Finn
> 
> It's more total spark length than voltage although they are related.  Most
> secondaries with two internal disks can withstand up to length = total spark
> length / 3.   (or 3 times sec coil length for spark length).  This assumes a
> large toroid on top --- considerably less if smaller toroid is total spark
> length = 1.5 x sec coil length.  Beyond this and you start pushing the
> envelope and failure is sure to occur at some point.  For reference 1 MV is
> equal to a spark length of 9 ft. through normal air at STP (this measured
> across 1/2 inch dia rod gap).
> 
> Regards,
> 
> Dr.Resonance

Have you tried increasing the terminal size (beyond what you've 
already tested) and bang size in the way I suggested to John Freau to 
see whether that length is the last word for 1MV? 

Regards,
Malcolm

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