Re: multiple gap question

• To: tesla-at-pupman-dot-com
• Subject: Re: multiple gap question
• From: Esondrmn-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 14 Feb 2000 16:49:23 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

In a message dated 2/13/00 8:34:05 PM !!!First Boot!!!, tesla-at-pupman-dot-com 
writes:

<<  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
  >>
Ed,

I have used my standard cylindrical RQ style gap up to 1.5kva and have not 
had any problems melting the pvc pipe the gap sections are mounted in.  It 
does have a small fan mounted on the top, blowing down through the gaps.

Ed Sonderman

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