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| Singing Tesla Coil at Duckon 2007 |
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This is a solid-state Tesla coil. The primary runs
at its resonant frequency in the 41 KHz range, and
is modulated from the control unit in order to
generate the tones you hear.
So just to explain a little further, yes, it is
the actual high voltage sparks that are making the
noise. Every cycle of the music is a burst of
sparks at 41 KHz, triggered by digital circuitry
at the end of a "long" piece of fiber optics.
What's not immediately obvious in this video is
how loud this is. Many people were covering their
ears, dogs were barking. In the sections where the
crowd is cheering and the coils is starting and
stopping, you can hear the the crowd is drowned
out by the coil when it's firing.
This Tesla coil was built and is owned by Steve
Ward. Steve is a EE student at U of I
Urbana-Champaign. He and Jeff have been going to
Teslathons, which is where they met.
It's been suggested that a good name for this coil
would be the "Zeusaphone". "Thoremin" has also
been mentioned, though personally I think we need
Theramin type inputs for that.
To answer a few questions I've received, YES,
someone did yell "Play Freebird!" after the first
round of music.
Tags : Duckon Tesla Coil High Voltage Singing |
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Affichage : 1291134
Durée : 162 s |
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