Re: The Next Coil

• To: "'Tesla List'" <tesla-at-poodle.pupman-dot-com>
• Subject: Re: The Next Coil
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Thu, 31 Jul 1997 23:05:47 -0500
• Approved: tesla-at-stic-dot-net

From: 	FutureT-at-aol-dot-com[SMTP:FutureT-at-aol-dot-com]
Sent: 	Thursday, July 31, 1997 6:37 AM
To: 	tesla-at-pupman-dot-com
Subject: 	Re: The Next Coil

In a message dated 97-07-31 03:23:32 EDT, you write:

<< 
>Yes, indeed!  With the new larger Ctop, I became concerned that the
> output impedance of the sec would drop too low.  The Lsec was chosen
> to get the impedance back up to around 20000 ohms, which seems to
> work well.  Then the other component values, all the way back to the 
> 'wall socket', just fall out of the equations assuming a design goal
> of about 15 ohms for Zpri.  A bit of handwaving, but that's the best
> empirical data that I have at the moment.
 
> Actually, my spreadsheet predicts a Vout just over 1MV, 
> but that assumes about 50% efficiency.

Greg, 

BTW,  along with my square law suggestion for spark length, I also
did a capacitor size projection based on my findings and some 
hand-waving (I didn't post this), and came up with .24uF, using 
134.4kW, and assuming a 44 foot spark length.  This agrees
closely with your data.

John Freau
 
 
>-GL
  >>

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