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Re: Power versus Spark Length




From: 	Matthias Andersson[SMTP:tesla-at-ixx.se]
Reply To: 	tesla-at-ixx.se
Sent: 	Monday, July 14, 1997 10:47 AM
To: 	Tesla List
Subject: 	Re: Power versus Spark Length

> From: 	Greg Leyh[SMTP:lod-at-pacbell-dot-net]
> Sent: 	Sunday, July 13, 1997 10:46 PM
> To: 	Tesla List
> Subject: 	Re: Power versus Spark Length
> 
> John Freau wrote:
> 
> 
> > Recent work with disruptive coils, and old work with tube coils, suggest
> > that the power required for a given spark length follows (more or less) a
> > simple direct square law.
> > 
> > Two coils were built, each optimized for its input power level.  One drew
> > 680 watts and gave a 42" spark, the other drew 2100 watts and gave a
> > 65" spark.   The tube coil results followed a similar trend.
> > 
> > 
> >   watts (wallplug)           spark length
> > 
> >        10.6                           5 1/4"
> >        42.6                         10 1/2"
> >        170                             21"
> >        680                             42"   (actual)
> >      2100                              65"   (actual)
> >      8400                             134"
> >       33.6 kW                       268"   (22 feet)
> >       67.2 kW                                 (30.8 feet)
> >      134.4 kW                                (44 feet)
> >       537.6 kW                               (88 feet)
> 
> 
> Your curve appears to fit amazingly well to a number of widely spaced
> data points, both empirical and calculated.
> 
> Two data points that I compared to this curve:
> 
>  watts (wallplug)   spark length
> 
>       28.5kW            ~22'     TC in Austin TX, with improved primary ckt
>       5.1 MW            270'     From design set for a twin 85' coil system

This 5.1 MW coil, is it something that someone is going to build 
or....?
Just curious because that would be one heck of a system!!

//Matt