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Re: [TCML] My woeful RF ground experiments and lots of questions.
Hi Jeremy,
I don't think it's good idea to tie in your RF
ground to your mains ground for your home's
electrical service. If I read your posting right,
that's what you're proposing as you state that
the copper water pipe is tapped by the fuse
box ground about 5 ft. from where it goes under
the concrete foundation.
You can try running water at a trickle from a
garden hose to the hole that you are starting
while you're hammering it into the ground.
Also, get a copper clad grounding rod from
the electrical department of your local Home
Depot, Lowes, ect. and use for this purpose
instead of a copper pipe. The grounding rod
will take the abuse of sledge hammer strikes
to fully drive it into the ground. Or you could
wait until a wetter time of year when the ground
is naturally softer ;^)
David Rieben
----- Original Message -----
From: "Jeremy Scott" <supertux1@xxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Monday, July 14, 2008 5:38 PM
Subject: [TCML] My woeful RF ground experiments and lots of questions.
Hi all,
So I tried pounding a short section of copper pipe into the dirt outside
of my garage. It didn't go so well, my 'soil' is mostly clay with lots of
large rocks. There's just no way I'm going to get anything more than a
foot into the ground without augering a huge hole first and the only
places that would be acceptable to do that are far away from where I'd be
running a coil.
In my garage, I have a cold water faucet. The copper pipe for this runs
about 20 feet from the faucet before entering the concrete foundation of
my house. About five feet or so from where the pipe goes into the
foundation, the green ground wire to the fuse box (a few feet away)
is tied in.
What am I risking if I connect the coil's RF ground to the faucet in
the garage? I am guessing that the path of least resistance seems to be
straight to the pipes in ground and presumably not through the ground
wire into the fuse box and connected appliances, although I could be
wrong.
Most of my 'sensitive' electronics like the TV and computers are all on
surge protected battery operated UPS units -- I'm not so worried about
frying electronics as I am the risk of electrocution.
Could I put an RF choke on that ground wire? What about simply
disconnecting the AC ground wire while the coil is running? Should
I bite the bullet and tear up the yard and make a nice ground?
Are there any easier ways of making an RF ground that don't involve
pounding rods into solid clay?
Thanks in advance,
-Jeremy
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