[Prev][Next][Index][Thread]
Re: multiple gap question
- 
To: tesla@pupman.com 
 
- 
Subject: Re: multiple gap question 
 
- 
From: "Ed Phillips" <evp@pacbell.net> (by way of Terry Fritz <twftesla@uswest.net>) 
 
- 
Date: Sat, 12 Feb 2000 13:21:48 -0700 
 
- 
Approved: twftesla@uswest.net 
 
- 
Delivered-To: fixup-tesla@pupman.com@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