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

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

Original poster: robert heidlebaugh <rheidlebaugh-at-desertgate-dot-com> 

correct
-- 


 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > Date: Sun, 27 Jun 2004 21:47:25 -0600
 > To: tesla-at-pupman-dot-com
 > Subject: Re: Air core flybacks, small flybacks and self  resonance........
 > Resent-From: tesla-at-pupman-dot-com
 > Resent-Date: Sun, 27 Jun 2004 23:06:41 -0600
 >
 > 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
 >>>
 >>>
 >>
 >>
 >
 >