[Prev][Next][Index][Thread]
Re: How with no RF ground?
Tesla List wrote:
>
> Bob,
>
> Any chunk of metal can act as a ground counterpoise. With the small
> transformer of your coil a relatively small metal object would act as a
> couterpoise. When running though, you could get a nasty little RF burn
> from too small a counterpoise. If you increase your power, you will
> eventually overcome the counterpoise and it will issue spark to air.
>
> Richard Quick used to use one of his dads old Lincoln automobiles as an
> excellent counterpoise (insulated on tires). He also used a metal plate
> at one time and as he up his power it arced to ground. We have had a
> similar discussion in the recent past about a railroad track, I believe.
> Were you on line then? You do not need a grounded object for an RF
> ground!!!! Just an object!
>
> I dare say that a few hundred tons of metal on glass insulators 100' in
> the air would be a far better RF ground for high power systems than 10
> -12' ground rods hammered deep within in the earth!!
>
> Richard Hull, TCBOR
OK - I vote that we take up a collection and buy up a whole bunch of
junk automobiles (ie: old pre-80's road boats) and make one. Make a
sort of arial counter-poise / automobile modern sculpture. Perhaps
charge admission to pay the electric bill???
- Brent ;-]