Re: secondary C

• To: "'Tesla List'" <tesla-at-poodle.pupman-dot-com>
• Subject: Re: secondary C
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Thu, 13 Nov 1997 09:27:05 -0600
• Approved: tesla-at-stic-dot-net

From:	Esondrmn-at-aol-dot-com [SMTP:Esondrmn-at-aol-dot-com]
Sent:	Wednesday, November 12, 1997 12:44 PM
To:	tesla-at-pupman-dot-com
Subject:	Re: secondary C

In a message dated 97-11-12 11:04:48 EST, you write:

<< 
 >  Does anyone have a formula for calculating the self capacitance of a 
 >secondary coil? I have been making some small coils (6-12" tall) to 
 play 
 >around with different h/d ratios, etc. If there is a formula for 
 >calculating a coils self-capacitance it would greatly speed up the 
 >design process and tuning.
 >
 >Mad Coiler
 >
 
 Hmmm, no one on the list knows how to calculate this?
 
  >>
Mad,

Most folks, I believe, use the Medhurst formula.  You can find it in my
spreadsheet Teslaexl that is posted at the ftp site.  It is an Excel
spreadsheet.

Ed Sonderman

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