Re: Radial Horizontal Ground Rods (RHGRs :-)
From: Greg Leyh[SMTP:lod-at-pacbell-dot-net]
Sent: Sunday, December 14, 1997 3:51 AM
To: Tesla List
Subject: Re: Radial Horizontal Ground Rods (RHGRs :-)
Antonio Carlos M. de Queiroz wrote:
> This discussion is appearing to me as rather overcomplicated. Tesla
> coils are -not- HF transmitters. For the usual sizes and operating
> frequencies used the amount of radiatiated energy is negligible.
> A good ground connection would help in keeping the lower part of
> the secondary coil at low potential in relation to its surroundings,
> but if all the objects that can be hit by sparks flowing from the
> terminal are simply connected to the lower end of the secondary by
> reasonably low impedances, I would not expect problems.
I believe that you are correct; however there is a persistent
school of thought that TC's are somehow 1/4 wave antennas,
rather than resonant xfmrs.
On the continuum between resonant xfmrs and 1/4 wave antennas,
I would place the TC about 99% towards the resonant xfmr end.