RE: [TCML] Toroid height, What's best

["Phil Tuck (hvtesla)" <phil@xxxxxxxxxxx>]

I have a 6 inch minor with the bottom 5.5 inches above the top of the
winding on my 8 inch. Runs on a pig with no problems. As I understand it you
get it as high as possible while still providing shielding. The lower it is
the more it acts like a shorted turn. My height was based on a
recommendation by Dr Res I thought.

Regards
Phil

www.hvtesla.com

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of Shaun Epp
Sent: 23 February 2010 00:41
To: tesla@xxxxxxxxxx
Subject: [TCML] Toroid height, What's best

Hello Group,

Well I just bought a new toroid, It came by mail today.  I was wondering if
I need to change its height relative to the top winding of my secondary, I
assume that this changes the self capacitance of the secondary and flashover
voltage, but I'm not sure.  Could some experts enlighten me.  Right now the
bottom of the 16" x 5" toroid is 1 inch above the top windings of my 4.25"
dia secondary, and the secondary has 22.25 inches of windings.

It's too cold outside for me to run tests right now, I'll have to wait 1.5
months for that to change.  But spring is coming :-))

thanks,

Shaun Epp

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