Re: Turns to secondary length ratio...

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Hydrogen18" <hydrogen18-at-hydrogen18-dot-com> 

Ic, so I am guessing #22 gauge is too big for a 3 inch coil?

---Eric Urban
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, January 30, 2004 1:06 PM
Subject: Re: Turns to secondary length ratio...


 > Original poster: Esondrmn-at-aol-dot-com
 >
 > In a message dated 1/29/04 5:28:49 PM Pacific Standard Time,
 > tesla-at-pupman-dot-com writes:
 >
 >
 > >Original poster: "Hydrogen18" <hydrogen18-at-hydrogen18-dot-com>
 > >
 > >How long should a 3 inch secondary be for 1200 turns?
 >
 >
 > Hydrogen,
 >
 > Well, if you wanted say a 5 :1 ratio of winding length to width, you would
 > need to use a wire that is about .0125 diameter which is approximately #
 > 29.5 guage.  So, using # 30 heavy build wire, diameter .0119" would give
us
 > a turns per inch of 84.  Assuming a winding density of 95% we get 79.8
 > turns per inch.  Times 15 inches we would have 1,197 turns.
 >
 > Ed Sonderman
 >
 >
 >