Re: LOD Discrete Toroids

To: tesla-at-pupman-dot-com
Subject: Re: LOD Discrete Toroids
From: Greg Leyh <lod-at-pacbell-dot-net> (by way of terryf-at-verinet-dot-com)
Date: Tue, 25 Aug 1998 17:38:21 -0600
Approved: terryf-at-verinet-dot-com

Mark Finnis wrote:

> I was inspired by GL's "discrete component" toroid (and who wouldn't be
> .....).  Had some spare copper-plated steel tubing which I had originally
> used for a primary (for which it was no good), so made a "quick & dirty"
> small version of this in a couple of hours yesterday.
> 
> Really works very well ........   if I do build a larger coil, this is
> gonna be by far the easiest and most cost-efficient method !!!

I agree... Apparently the power industry does too.  This is
the construction technique that they use for corona shields.


> Many thanks to GL.   Now Greg, clever fellow that your are ;-) 
> How do you estimate the top C with a discrete component toroid ?????

If the feature size and spacing of the toroid elements 
is small compared to the distance to ground, then the
C of the finite element toroid should be similiar to a 
solid toroid of the same external dimensions.
-- 


-GL
www.lod-dot-org