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RE: [TCML] Safely Grounding a Tesla Coil



5/8" garden hose will fit nicely over the outside of 1/2" copper water pipe.

Run a trickle of water and gradually force the pipe into the ground.

Dave 

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx 
> [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of Reverend Fuzzy
> Sent: Saturday, February 06, 2010 7:23 PM
> To: 'Tesla Coil Mailing List'
> Subject: RE: [TCML] Safely Grounding a Tesla Coil
> 
> Best way to sink a ground rod (with all seriousness intended) 
> is with as large of a hammer or maul, as you are physically 
> capable of handling.  If your aim leaves something to be 
> desired, hold a chunk of 2x4 on top of the rod, and pound 
> that... much bigger target, and less likely to smack your 
> hand.  And above all, it is highly recommended that you slip 
> the clamp, or other attachment device onto the rod BEFORE 
> driving it in, as there is more than likely to be some 
> "mushrooming" on the end of the rod, and it's a HUGE 
> possibility that you won't be able to slip it on after.
> Stop hammering when there is just enough rod showing to 
> comfortably deal with the clamp.
> ---
> Reverend Fuzzy
> Pastor, MSB Ministries
> Hattiesburg, MS
> http://www.msbministries.org
> 
>   
> 
>  
> 
> > -----Original Message-----
> > From: tesla-bounces@xxxxxxxxxx 
> [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of Brandon Hendershot
> > Sent: February 06, 2010 7:30 PM
> > To: Tesla Coil Mailing List
> > Subject: Re: [TCML] Safely Grounding a Tesla Coil
> > 
> > Hi Richard,
> > 
> > A lot of what you guys are trying to explain seems way over my head.
> > How about some advice for sinking a ground rod? Lol, but I think I
> > will try the chicken wire counterpoise before I do any permenant
> > damage to the lawn.
> > 
> > Thank you all for your patience with me,
> > Brandon
> > 
> > On Feb 6, 2010, at 5:27 PM, "Richard Schmuke" 
> <rdj@xxxxxxxxxxxx> wrote:
> > 
> > > Lets try this Brandon , if you have a antenna, the standard is a
> > > dipole ,
> > > 1/4 wl out the center of the coax and 1/4 wl out the shield side.
> > > You can
> > > set this on the ground and have a rod going up from the center 1/4
> > > wl, now
> > > from the shield side spread out several wires 1/4 wl length to act
> > > as the
> > > other half of the antenna. This is sometimes called a 
> counterpoise.
> > > It gets
> > > more involved but did this help? If not I can sent you some simple
> > > drawings
> > > I use for my radio classes.
> > >
> > > Rich , KDZZ
> > > Disclaimer: Any errors in spelling or facts are 
> transmission errors.
> > >
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: tesla-bounces@xxxxxxxxxx 
> [mailto:tesla-bounces@xxxxxxxxxx] On
> > > Behalf
> > > Of Brandon Hendershot
> > > Sent: Saturday, February 06, 2010 11:11 AM
> > > To: Tesla Coil Mailing List
> > > Subject: Re: [TCML] Safely Grounding a Tesla Coil
> > >
> > > Hi Jim,
> > >
> > > Could you explain the concept of "counterpoise" for me or 
> provide a
> > > link to some documentation? I've never heard of anything 
> like it...
> > >
> > > Thanks btw,
> > > Brandon
> > >
> > > On Feb 5, 2010, at 9:39 PM, jimlux <jimlux@xxxxxxxxxxxxx> wrote:
> > >
> > >> Brandon Hendershot wrote:
> > >>> Hi all,
> > >>> I know that it's said that you need an entirely 
> seperate ground rod
> > >>> when opperating tesla coils because the high voltage grounding
> > >>> through the house wiring is extremely dangerous to 
> anything plugged
> > >>> into any other grounded outlet on the same circuit.
> > >>
> > >>
> > >> Not precisely..
> > >> You need a separate RF return for the coil, be it a counterpoise,
> > >> good grounding system, etc.
> > >> The reason you don't want it interconnected too well 
> with the "house
> > >> ground" is that it will propagate HV transients into your house
> > >> wiring system (by capacitive and inductive coupling).. those
> > >> transients wreak havoc on most consumer electronics.
> > >>
> > >> I wouldn't say "extremely dangerous".. I'd reserve that for
> > >> something like juggling chain saws.
> > >>
> > >>
> > >>
> > >> But what if you attached the coils
> > >>> ground wire directly to the ground rod. It would be 
> bypassing the
> > >>> house wiring, so the high voltage won't be running by 
> any precious
> > >>> electronics inside the house. It shouldn't be running 
> back up into
> > >>> the house right?
> > >>
> > >> Exactly.. But there is a problem because at some point, 
> you need to
> > >> bond to the "green wire ground" at least for things that 
> are plugged
> > >> in or that you might touch (e.g. equipment cases).
> > >>
> > >>> I'm trying to be minimalistic so I don't have to try to 
> pound down
> > >>> a ground rod of my own.
> > >>
> > >> Think counterpoise.. a big conductive sheet.. chicken wire works
> > >> well. A circle that has radius = the height of the top 
> load above it.
> > >>
> > >>
> > >> Hook that to the bottom of your secondary.
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> > > 07:35:00
> > >
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