Secondary Inductance

• To: tesla-at-pupman-dot-com
• Subject: Secondary Inductance
• From: "Steve Young" <youngs-at-konnections-dot-com> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Tue, 13 Apr 1999 12:06:25 -0600
• Approved: twf-at-verinet-dot-com

Hi list,

I would like to know if the inductance of a secondary space wound to a
given length with a given number of turns has about the same inductance as
if close wound with larger wire but the same number of turns?

For example, suppose I close-wind an 8 inch diameter coil with a winding
length of 30 inches with 1000 turns of #21 wire.  If I space wind another
coil with 1000 turns of # 23 to the same 30 inch length, is the inductance
approximately the same as the close-wound coil?  

If someone has a Wheeler-like equation which has an additional parameter
representing  spacing of the winding of a TC secondary, I would appreciate
you posting it on the list.

Thanks,

Steve Young  

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