Secondary spacing for my large coil...and others

• To: tesla-at-pupman-dot-com
• Subject: Secondary spacing for my large coil...and others
• From: ntesla-at-ntesla.csd.sc.edu (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Fri, 16 Oct 1998 14:52:17 -0600
• Approved: terryf-at-verinet-dot-com

>> Original Poster: "D.C. Cox" <DR.RESONANCE-at-next-wave-dot-net> 
>> 
>> Nice post with clean, clear data.  Your 1" sec elevation is very close to
>> my usual recommendations of 1 to 1 1/2 inches above the plane of the pri
>> coil for bottom turn of sec coil.  Any coiler running a 20 to 24 inch dia
>> coil will find 7 to 9 inch elevation of sec coil above the primary plane
>> works best.

On a conical primary, is this the plane of the bottom-most (lowest)
primary-turn, or the plane of the top-most (highest) primary-turn?

Dan

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