Re: A few problems..[No problems this time]

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Bill Wilson" <wtw@xxxxxxxxxxxxxxx>

if you go to a plumbing supply house you can buy pvc hard caps wich 
are very thick and have a doomed top. you can also buy pvc test caps 
that are not as thick but are flat. they also sell test caps that 
glue inside the ends of pvc pipe

----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Friday, March 30, 2007 12:00 AM
Subject: Re: A few problems..[No problems this time]


> Original poster: "Barton B. Anderson" <bartb@xxxxxxxxxxxxxxxx>
>
> Hi Matt,
>
> Tesla list wrote:
>
> > Original poster: "M G" <gt4awd@xxxxxxxxx>
> >
> > Bart, there was one time that I ran the coil without the ground 
> > connection. I did this to show another person that there is no 
> > electricity connected to the secondary coil through the ground 
> > wire, and that the energy transfer takes place through 
> > electromagnetic induction. It's likely this is when the problem 
> > started.. I will try without the inside loops and see if that 
> > prevents the problem. The burn mark sanded off easy enough. I have 
> > looked through Home Depot for PVC end caps and have yet to find 
> > them. Still trying to find a thicker piece of plastic that can be 
> > cut into two end caps. The previous end cap, made with the plant 
> > pot water catch plate, was not thick enough.
>
>
> It's true electromagnetic induction between coils is how energy is 
> coupled from one to the other, but there are also ground currents. 
> The ground itself is part of the resonator circuit capacitively 
> coupled to the secondary. As a matter of fact, measuring base 
> currents (the ground wire) is a means of viewing and measuring 
> secondary waveforms (usually done with a current loop such which 
> converts amps to volts). But in any respect, it may be possible that 
> the ground wire dangling on the bottom without the direct connection 
> caused the minor burn.
>
> Take care,
> Bart