Re: multiple gap question

• To: tesla-at-pupman-dot-com
• Subject: Re: multiple gap question
• From: "Ed Phillips" <evp-at-pacbell-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Sat, 12 Feb 2000 13:21:48 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

> I haven't built an in - line gap like that but I have built a RQ style gap.
> I used one length of copper pipe and cut it into sections with a large copper
> tubing cutter.  This left the ends slightly rolled in and made the diameter
> on the ends slightly less than the rest of the length.  This seems to keep
> the sparks off of the ends.  I used brass bolts and epoxy to hold them in
> place with feeler gauges (or credit cards, etc.) as spacers to get all the
> gaps the same.  If I was building an in - line gap, I would probably use a
> threaded rod (nylon?) going through the center of each copper tube section
> and lock them into place one at a time using a spcer to set each gap the
same.
> 
> Ed Sonderman

	How would you keep the nylon from melting?  For that matter, I've
always wondered about the PVC-supported gaps.  Do the cooling fans
really cool enough to keep the stuff from melting?

Ed

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