Re: [TCML] Tuning vs Interference

[jhowson4@xxxxxxxxxxx]

The coil that I just made for my physics teacher is designed to be connected to the faucet at the lab stations.  I used one of those big alligator clips designed to be use on car batteries. just bent it a little and smoothed i out. never had any problems with interference.
jay howson

-------------- Original message -------------- 
From: "DC Cox" <resonance@xxxxxxxxxxxx> 

> When we do local school shows with small coils, we just use an alligator 
> clip to clip the base of sec coil to a water pipe --- seems to work well as 
> long as the pipe is metal and not PVC. 
> 
> Dr. Resonance 
> 
> 
> 
> 
> On Fri, Jun 20, 2008 at 7:54 AM, Lau, Gary wrote: 
> 
> > 
> > 
> > > -----Original Message----- 
> > > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On 
> > > Behalf Of Phillip Slawinski 
> > > Sent: Friday, June 20, 2008 9:18 AM 
> > > To: Tesla Coil Mailing List 
> > > Subject: Re: [TCML] Tuning vs Interference 
> > > 
> > > On Fri, Jun 20, 2008 at 7:23 AM, Lau, Gary wrote: 
> > > 
> > > > Raising livestock and testing Tesla coils are both difficult for 
> > apartment 
> > > > dwellers. 
> > > 
> > > 
> > > Sadly, my attempt at raising cattle didn't work out too well. I was 
> > hoping 
> > > to have better luck with the Tesla coil. I think I'm going to get a 
> > house 
> > > after the lease is up. 
> > > 
> > > 
> > > > In lieu of good RF ground, the standard advice for your situation is 
> > to 
> > > > tie the coil's RF ground connection to a counterpoise - the largest and 
> > > > nearest piece of metal that you muster. 
> > > 
> > > 
> > > Ah ha! The back of the plasma television in our living room should do 
> > quite 
> > > nicely. [I'm kidding, of course] Essentially this is what I'm doing 
> > with 
> > > the drain spout on the side of the building. I run a wire from the spout 
> > to 
> > > a 6" carriage bolt and pound that into the ground, but I hardly think 
> > that 
> > > makes a difference. 
> > > 
> > > 
> > > > Think surface area rather than weight. A long length of unrolled 
> > aluminum 
> > > > foil would be better than a barbell, for instance. 
> > > 
> > > 
> > > So the counterpoise is just like a big capacitor? 
> > 
> > Exactly, with the rest of the world being the "other" plate. 
> > 
> > Regards, Gary Lau 
> > MA, USA 
> > _______________________________________________ 
> > Tesla mailing list 
> > Tesla@xxxxxxxxxxxxxx 
> > http://www.pupman.com/mailman/listinfo/tesla 
> > 
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