RE: [TCML] question of construction - is metal okay at the center ofprimary?

[jhowson4@xxxxxxxxxxx]

I have never had a problem with internal arching once i started using 2 baffles in each end of the secondary.  one to hold the bolt and insulator and one to butt up against the end of the bolt.

-------------- Original message -------------- 
From: "Stephen J. Hobley" <shobley@xxxxxxxxxx> 

> I can speak from (internal arcing) experience that it's best to use nylon bolts 
> for anything that isn't designed to conduct. 
> 
> I do use a central metal grounding bolt in the base of the secondary, but 
> everything else, top and bottom is nylon. 
> 
> Steve 
> 
> 
> www.stephenhobley.com 
> 317 201 4281 
> 
> The Laser Harp Project - www.stephenhobley.com/build 
> 
> ________________________________ 
> 
> From: tesla-bounces@xxxxxxxxxx on behalf of Ryckmans, Thomas 
> Sent: Wed 9/17/2008 10:30 AM 
> To: tesla@xxxxxxxxxx 
> Subject: [TCML] question of construction - is metal okay at the center 
> ofprimary? 
> 
> 
> 
> Hello, 
> 
> Further to my construction question (thanks to DC for some tips) - I was 
> wondering if it was okay to have a bit of metal at the center of the 
> primary. I would need to place a few bolts there to hold the secondary 
> in place. Aren't eddy currents in that metal going to be a 
> problem/loss/source of heating?? 
> 
> Many thanks 
> 
> Thomas 
> 
> 
> 
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> 
> 
> 
>

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