Re: Ctop Measurement vs. Calculation

• To: tesla@pupman.com
• Subject: Re: Ctop Measurement vs. Calculation
• From: FutureT@aol.com (by way of Terry Fritz <twftesla@uswest.net>)
• Date: Mon, 22 May 2000 11:41:10 -0600
• Approved: twftesla@uswest.net
• Delivered-To: fixup-tesla@pupman.com@fixme

In a message dated 5/22/00 9:10:45 AM Pacific Daylight Time, tesla@pupman.com 
writes:

>  snip
>  If others have done similar tests, what were the results? 
>  
>  Thanks in advance, 
>  Bart (happy to be coiling again!)

Hi Bart,

When a toroid or sphere is placed on top of a coil, the topload
will show a much lower C than when it is placed on top of an
insulated column.  The closer the toroid or sphere is to the 
top of the coil, the less C the topload will show.  And the wider
the secondary coil is, the less C a given topload will show.

Based on this, your measurements are probably correct.

I think Terry has a computer program available that takes all these
effects into account.

Cheers,
John Freau

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