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RE: [TCML] 1/4 wavelength theory ??
Thanks Paul.
Ok, I'll bite.
My magnifier experience is pretty limited. I built one as a bit of an
experiment once. The performance was comparable with my "standard" tesla
coils (15kv/30ma nst & 3.5"x14" secondary coil) with streamers of about
20-24" long. I must admit I had no idea what I was doing. The tuning
seemed counter-intuitive as compared to tuning a standard coil, but I
worked it out to what seemed optimal. I don't recall the specs of the
resonator/extra coil.
It was a fun experiment. I could tell that something quite different was
taking place with the setup, relative to a standard coil. The tightly
coupled primary and secondary put out a healthy high-amperage spark, but
nothing as compared to the streamer on the end of the third coil.
It seemed to act like a voltage multiplier.
It was refreshing to not have the coupling issues that you would run
into with a standard coil...there didn't seem to be any issues with
break out along the coil, no racing sparks, no having to add crazy
amounts of insulation around that top turn, ect.
It would be great to add some fundamental knowledge to the experience.
Fire away Paul.
(love the VLF links on your site...this may be a subject of interest
soon, so I'll be in touch)
Shannon Weinhold
-----Original Message-----
From: Paul Nicholson [mailto:tcml88@xxxxxxxxxxx]
Sent: Wednesday, February 10, 2010 9:37 AM
To: Tesla Coil Mailing List
Subject: Re: [TCML] 1/4 wavelength theory ??
Shannon Weinhold wrote:
> I obviously need to touch up on my tech knowledge before > I go
spouting off on here. :)
No, please spout! Your question cut straight to the difficulty
and was a good one. More like that please. Good questions
are the seeds from which a good thread grows, and a good thread often
leads to new ideas, and so on.
Fact is, the question of whether a TC is a 1/4 wave resonator often
comes up, and the answer is both yes and no. That makes it a good
question - one which a lot of list members would 2nd.
It creates an opportunity to present a bit of resonator physics, which,
these days, doesn't get discussed as much as it used to.
Perhaps someone will take the bait in my last post and ask what
3/4 wave has got to do with magnifiers.
--
Paul Nicholson
--
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