spark gap design

To: "'Tesla List'" <tesla-at-pupman-dot-com>
Subject: spark gap design
From: Tesla List <tesla-at-stic-dot-net>
Date: Fri, 21 Aug 1998 23:00:01 -0500
Approved: tesla-at-stic-dot-net



----------
From:  Dennis Rolfe [SMTP:drolfe-at-i2sworld-dot-com]
Sent:  Friday, August 21, 1998 6:35 AM
To:  Tesla List
Subject:  Re: spark gap design

Yes sanding the copper tubes would definitely change your .03" gap but with
a fine grit sandpaper it should only change it less than less say .001" one
thousandth each time. Question? doe you use a fan on your gap?













At 11:16 PM 8/20/98 -0500, you wrote:
>
>----------
>From:  Dsurfr-at-aol-dot-com [SMTP:Dsurfr-at-aol-dot-com]
>Sent:  Thursday, August 20, 1998 4:50 PM
>To:  tesla-at-pupman-dot-com
>Subject:  spark gap design
>
>Hi All: I finished cutting the copper pipe for an RQ sparkgap I plan to
>assemble this weekend. In my impatience to see the improvement I placed the
>segments in a row (ala Terry F's gap) on a piece of plexi, holding them in
>place with double faced tape. Gap was .03, ten gaps total. Even without re-
>tuning the improvement was obvious & I recommend anyone still using bolts for
>a static gap should switch immediately. My question is as follows: I noticed
>that there was some "carbonization"? building up on the pipe segments after
>only a few short runs. How often do you have to clean the gaps, how hard is
>this to do & does sanding or whatever widen your gap each time causing you to
>regap? If so it would seem that Bert Pool's gap design (where the pipes are
>laid on fiberglass rods allowing them to be rotated or easily removed for
>cleaning) would be far superior. Thanks,  Jim
>
>
>