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Re: To Kevin
From: Greg Leyh[SMTP:lod-at-pacbell-dot-net]
Sent: Saturday, September 13, 1997 5:12 AM
To: Tesla List
Subject: Re: To Kevin
DR.RESONANCE wrote:
> > [Aperiodic wrote]
> > One last thing. I'm a senior in high school and last year, for the
> > first time, a science fair sponsored by IBM was opened up to the
> > highschool level. (I did research on chaos thoery and won first place
> > in the math catagory :-) ). Anyway, I was hoping I could enter my coil
> > in the competition. There's just one thing, and it seems to bother me.
> > The judges that they have aren't the brightest people in the world and
> > for most of them the first thing they'll ask is, "what practical
> > purposes does this serve?"
>
> Common TC application is the computer & TV set. The CRT's use a small high
> frequency transformer called a "flyback" that generates the high voltage to
> accelerate electrons down the tube to strike the screen. Flybacks usually
> run around 30 KHZ and are, in effect, small Tesla coils. Tesla's main
> contribution with the TC was the concept of tuned circuits, ie, the tuned
> LC tank circuit in the primary and sec systems. This formed the basic
> building block of all radio transmitters and receivers from his time
> forward. He actually received the patent for radio in 1946, 3 years after
> his death. Hope this helps to enlighten the "bright people".
Is a TV flyback really a classic, loosely coupled Tesla Coil, or is it just
a flyback transformer?
This use has probably been mentioned already, but my Miller TiG welder has
a nice Tesla Coil inside of it, to initiate the arc with greater ease.
-GL