Re: Solid state spark length record?

• To: tesla-at-pupman-dot-com
• Subject: Re: Solid state spark length record?
• From: FutureT-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 17 Apr 2000 12:11:49 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

In a message dated 4/17/00 6:28:44 AM Pacific Daylight Time, tesla-at-pupman-dot-com 
writes:

> 
>  Original Poster: "Gary Johnson" <gjohnson-at-ksu.edu> 
>  
>  Who holds the record for spark length to a grounded object from a solid
>  state driven Tesla coil?  I hit 57 inches recently before a group of over 
50
>  people. I was direct driving an Extra coil at about 2 sparks per second 
with
>  an IGBT inverter.
>  
>  Gary Johnson

Gary,

Your's are the longest sparks I've heard of.  I assume you used a short
burst of CW of 3mS duration or so for each pulse?  I hope you're able to
tell us more details of the demonstration; how the sparks looked and
sounded (straight sparks or branched, etc.), the brightness, the power 
draw, the size and details of the extra coil, resonant frequency, etc.

Cheers,
John Freau

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