[TCML] Does this work for tuning the TC?
futuret at aol.com
Tue Oct 19 16:02:59 MDT 2010
It works, but the more off-axis inductance you have dialed in, the more it
reduces your primary to secondary coupling. So to really do it right,
I guess you'd have to lower the secondary the right amount to keep
the coupling the same, as you increase the off-axis inductance, so it's
all a little tricky to do. If you can manage to use just a small amount
of off-axis inductance, that will make the whole process more precise,
since it will affect the coupling by a lesser amount (assuming you
don't adjust the secondary height... etc.)
From: Teslalabor <teslalabor at t-online.de>
To: Tesla Coil Mailing List <tesla at pupman.com>
Sent: Tue, Oct 19, 2010 5:55 pm
Subject: [TCML] Does this work for tuning the TC?
I want to use a "regulation coil" for finding the exact primary taping point
of my TC. The tuning coil is a heavy wound coil with mechanically variable
inductance, also Tesla himself had one in his colorado springs lab I think.
My plan is, to put this coil I have (Inductance is variable between 0-70
Microhenries) in series with the TC-primary and when running the TC,
changing the inductance of the regulating coil until the sparks reaching
maximum length. Then, I measure the total inductance of this arrangement
(Primary + regulationg coil + inductance of the wires in series) with a
simple LCR Meter. Then I remove the regulating coil, and taping the primary
at exactly the point which gives me the inductance measured before.
Does this work? Anybody did this? Then sorry about the question but don't
know how to find this topic in the list archives.
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