Re: Air core flybacks, small flybacks and self resonance........

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "mercurus2000" <mercurus2000-at-cox-dot-net> 

So basically when you drive the flyback with the core and find maximum
voltage output, you're actually driving it at the quarter wave resonant
frequency for the secondary coil? Like a tesla coil?
Adam
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, June 27, 2004 10:21 AM
Subject: Re: Air core flybacks, small flybacks and self resonance........


 > Original poster: robert heidlebaugh <rheidlebaugh-at-desertgate-dot-com>
 >
 > adam: If you remove the core from a fly-back you change the resonant
 > frequency of the coil, The core is part of the resonant circuit.. Most
 > flybacks are designed to resonate around 18 Khz to produce maximum voltage
 > some more or less if intended for other than TV use. The frequency of a
 > transistor amplifier added to the flyback is determined by the frequency
 > determining circuit you add to the assembly which may or may not be
resonant
 > with the coil. Your choice.
 >      Robert    H
 > --
 >
 >
 >  > From: "Tesla list" <tesla-at-pupman-dot-com>
 >  > Date: Sat, 26 Jun 2004 13:15:21 -0600
 >  > To: tesla-at-pupman-dot-com
 >  > Subject: Air core flybacks, small flybacks and self resonance........
 >  > Resent-From: tesla-at-pupman-dot-com
 >  > Resent-Date: Sat, 26 Jun 2004 13:21:57 -0600
 >  >
 >  > Original poster: "mercurus2000" <mercurus2000-at-cox-dot-net>
 >  >
 >  > Hey, I was just tinkering around with some of my small flybacks that I
 >  > salvaged from some plasma globes, these have the core exposed and the
core
 >  > can be removed, they're basically like a TV flyback but the primary is
 >  > wound for use with 12 volts. I recalling all those one transistor self
 >  > resonance circuits for flybacks and came to the (perhaps?) conclusion
that
 >  > even with those self resonance circuits or even the timer controlled
ones,
 >  > you might not be getting the maximum rise in voltage from the secondary
in
 >  > that fasion, the self resonance circuits normally only resonant at the
 >  > resonant frequency of the primary correct? I thought that if you could
 >  > remove the core from these small plasma flybacks you could find the
 >  > harmonic of the self resonant frequency of the secondary and run the
coil
 >  > at the frequency, giving the highest possible voltage gain, without
having
 >  > to worry about the core saturating. Much like a solid state version of
 >  > Tesla's multilayer disruptive discharge coil in some of his patents. Or
is
 >  > it when you tune a ferrite cored flyback to get the max spark you're
 >  > already doing this? Perhaps I'm completely wrong, and just too tired.
:)
 >  > Adam
 >  >
 >  >
 >
 >