Desktop Coil ground? (fwd)

From: 	Bill Noble[SMTP:william_b_noble-at-email.msn-dot-com]
Reply To: 	Bill Noble
Sent: 	Tuesday, January 20, 1998 1:38 AM
To: 	Tesla List
Subject: 	Re: Desktop Coil ground? (fwd)

just mount the coil above a metal base and it will get a pseudo ground by
capacitive coupling to the (typically) metal desk - or it will act as a
counterpoise.  You aren't looking, it seems, for maximum performance, just
something interesting

>---------- Forwarded message ----------
>Date: Mon, 19 Jan 1998 08:27:36 -0800 (PST)
>From: baumann-at-proton.llumc.edu
>To: tesla-at-pupman-dot-com
>Subject: Desktop Coil ground?
>I am in the process of designing/building a desktop coil for a friend
>that is a physics teacher. Can you think of a better way to get kids
>interested in science that arcs? :)
>Anyway: It is pretty obvious that said coil must be small,and that is
>not really a problem. What is a problem is how to ground the beast.
>The instructor is not allowed to do little things like pound 8ft rods
>into the ground outside the class.
>[Proposed coil would be: 1"x10" 28awg, with a 2-3" spherical topload`
>I will have to find ferrite toriods or sticks to build the protection
>circut. At this frequency, he will be able to use a small cap, and yet
>still get 5-6" arcs at least.
>Michael Baumann  Optivus Technology Inc.|Loma Linda University Medical
>San Bernardino, California. (909)799-8308 |Internet: baumann-at-llumc.edu