Re: [TCML] Secondary to toriod ?

["Jonathan Peakall" <jpeakall@xxxxxxxxxxxx>]

I did something like that.

http://madlabs.info/my_secondaries.shtml

Look at the very bottom of the page

Jonathan
www.madlabs.info
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Some people are like a Slinky .. not really good for anything,
but you still can't help but smile when you shove them down the stairs.
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----- Original Message ----- 
From: "stanley miller" <swm334@xxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Sunday, August 24, 2008 8:39 AM
Subject: [TCML] Secondary to toriod ?


Hi all,

I am wondering if anyone could explain why a zinc carriage bolt inserted 
into the center of a plastic cover, glued on top of the secondary, with the 
bolt head inside covered by a plastic cap would not work or be potentially 
dangerous. This would allow the toriod to be completly adjustable, limited 
only by the size of the bolt. I have never seen a TC with this sort of 
setup, it is always with standoffs or pvc piping rigged up in some way or 
something else.
Please correct me where my theory is wrong.

-If the secondary cover sits 1.5" to 2" inches above the last winding on the 
secondary the only thing that could still affect the bolt would be magnetic 
field which i do not see how it would hurt the bolt or shunt it in anyway.

-Since the toriod would be at the same potential as bolt there would be no 
fear of arcing to it.

-The bottom inside of secondary would have nothing metal to arc thru from 
top to bottom.

-since toriod capacitance is dependent on size wouldn't the bolt add a small 
amount to the overall capacitance of toriod

-I am embarassed to say i have an electrical degree and work in electronic 
field and am asking such a silly question. ( but i do not pretend to know 
anything about tesla coils or high voltage for that matter!)

Thank ya all!
Stan




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