3/4" vs. 1" primary on 30 Kw system ?

• To: "'Tesla List'" <tesla-at-pupman-dot-com>
• Subject: 3/4" vs. 1" primary on 30 Kw system ?
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Fri, 26 Jun 1998 22:38:39 -0500
• Approved: tesla-at-stic-dot-net

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From:  Daryl P. Dacko [SMTP:mycrump-at-cris-dot-com]
Sent:  Thursday, June 25, 1998 7:01 PM
To:  Tesla List
Subject:  3/4" vs. 1" primary on 30 Kw system ?


A friend asked me to post this:

He's designing a coil that might have up to 30 Kw input on the primary (!).

Would there be a practical differance in performance in going from 3/4"
to 1" copper tube ?

The price is about double for the 1", which is why he's asking.

C = Pi * Dia, so I'd say that resistance would go down by 25%...

Given the losses in a standard sparkgap, I'd guess that you wouldn't 
see too much differance.

What does the collective wisdom say about this ?

Daryl 

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