The pipes rattling were from the solenoids on the washing machine! Just for giggles I shut off the water supply to the washer and it stopped.
The cause (besides the obvious) was due to the excess primary coil after the outer connection which made it grossly detuned.
Now that things are tighter, the TC is running at approx. 180 kHz.
I got some pretty awesome corona around the toroid reaching 16 inches down to the ground ring.
However, it did not get to this until after I added 7 more salt water caps which put the primary cap at almost 29 nF.
> On Jun 17, 2016, at 8:59 PM, Ed <evp@xxxxxxxxxxx> wrote:
>
> Interesting possibility because opportunities for EMI are so high. Another possibility of course is that any such correlation is pure coincidence.
>
> Ed
>
>
> On 6/17/2016 11:55 AM, msweeney23@xxxxxxxxx wrote:
>> I'm quite impressed with this chain of thought, brilliant!
>>
>> ----- Reply message -----
>> From: "Gary Lau" <glau1024@xxxxxxxxx>
>> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
>> Subject: [TCML] pipes rattling
>> Date: Fri, Jun 17, 2016 10:49 AM
>>
>> How about this theory? Your TC is radiating some EMI that is causing some
>> appliance or sprinkler system with solenoid valves to spasm? Do you have a
>> sprinkler system or dishwasher that someone can monitor while you run your
>> coil?
>>
>> Regards,
>> Gary Lau, MA, USA
>>
>> On Thu, Jun 16, 2016 at 9:11 AM, Phil <pip@xxxxxxxxxxx> wrote:
>>
>>> Sounds like the pipes are reacting to one another, rather than en-masse to
>>> the surrounding ground, much like Ed says.
>>> Out of curiosity I would run it with solely a single earth, and then try
>>> two
>>> pipes alongside one another, as I wonder if pipes of dissimilar metal would
>>> behave differently to two of the same metal?
>>>
>>> Phil
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: undisclosed recipient [mailto:arcin_n_sparkin@xxxxxxxxx]
>>> Sent: 16 June 2016 13:11
>>> To: Phil
>>> Subject: pipes rattling
>>>
>>> Yes.
>>> When I have it tuned for top running (still working on primary coil
>>> resonance) with what I had, it did it every time.
>>>
>>> At first I thought it was the motor in either the washer or dryer, but then
>>> I grabbed the faucets for the washer and they were shaking to beat the
>>> band.
>>>
>>> All I can figure is that the emf from the primary is somehow causing them
>>> to
>>> resonate.
>>>
>>> _______________________________________________
>>> Tesla mailing list
>>> Tesla@xxxxxxxxxx
>>> http://www.pupman.com/mailman/listinfo/tesla
>>>
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