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Re: DESIGN QUESTIONS
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To: tesla-at-grendel.objinc-dot-com 
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Subject: Re: DESIGN QUESTIONS 
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From: Esondrmn-at-aol-dot-com 
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Date: Wed, 25 Jan 1995 20:18:18 -0500 
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>Received: from mail02.mail.aol-dot-com by csn-dot-net with SMTP id AA19359   (5.65c/IDA-1.4.4 for <tesla-at-grendel.objinc-dot-com>); Thu, 26 Jan 1995 02:38:51 -0700 
Richard,
RQ> Never use points for spark gap.
Ok, I will build two cylinder spark gaps and run them in series.
RQ> Nahh, I would go with 1/4 or 3/8 spacing between primary turns.
Ok, I will go with 3/8.
RQ> For every bushing connected to a coil circuit you should place a ferrite
core RF choke in series.
I understand this is necessary to save the transformer (I lost one on my
first coil).  Do you have any design details or construction ideas on these?
 I have not seen any yet.
RQ>  You need to look at another circuit.
I understand I need to disconnect the secondary from ground and add another
RF choke to the second transformer output.  And add a safety gap.  Other than
these two changes, I think our two circuits are the same.
How much space between the contacts and the center ground is recommended for
a 12kv transformer on the safety gap?  About one half inch?
Thanks,  Ed Sonderman