Re: [TCML] Q

["resonance" <resonance@xxxxxxxxxxxx>]

I would add that many experimenters confuse static Q with dynamic or 
operating Q.  A big difference.

It's always easy to use JAVATC to make an accurate determination of your Q. 
You can also take a scope photo of your ringing and determine Q 
experimentally and precisely.

Dr. Resonance

Resonance Research Corp.
www.resonanceresearch.com


----- Original Message ----- 
From: <nnanred1@xxxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Sunday, December 02, 2007 2:41 PM
Subject: RE: [TCML] Q


hi,
on the subject of Q, what i wanted to say wont help you, at least directly, 
but it helps one to get a physical notion of what Q means.  in mathematical 
terms the Q of the system is ( Qp x Qs ) / ( Qp + Qs).  so you see this 
additional mess, and you wonder what now does Q of the system mean?
Q physically is how many cycles your coupled system will oscillate when 
"struck" with an electrical pulse.  no different that ringing a bell or 
hitting a drum. A system with a Q of 100; will oscillate 100 cycles as it 
dies out exponentially.
a bell with a high Q will ring a long time before it finally damps out.  a 
crummy bell; say like the goverment may build, out of wood; will be very low 
in Q, and just be "dead beat," and go "thump" when you ring it.
A high Q (as Antonio suggests) in the primary is where the rubber meets the 
road.  you want a high Q so your energy can be used effeciently as many 
cycles are required to transfer the primary caps energy into the 
self-capacity of the secondary.  lots of cycles are required because the 
coupling is low (say 0.12).
on the other hand if one uses the thin spiral strip winding submerged in 
oil; a coupling of 0.6 or 0.54 can be used without arcing occuring.  when 
you start to use the thin spiral strip winding very interesting things will 
begin to happen.  the best way to put it is: take off your shoes, for now 
you walk on holy ground.
by now,
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