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Re: air-core resonator




--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "sundog" <sundog-at-timeship-dot-net> 
> 
> 
> Hi all!
> 
>  I'm looking at flyback drivers for giggles and
> experience, and am
> wondering... I've seen a lot of methods of re-wiring
> them with a new
> primary, and a feedback winding to make it
> self-oscillating.  Please excuse
> my ignorance, but will this method work on an
> air-core resonator, or is the
> ferrite core needed?  I'm guessing it is needed. 
> I've got a 16v
> some-ungodly-amperage transformer to push it with
> (the thing is
> center-tapped, and about 3"x4"x4"!), and a good
> 5lbs.  Don't need caps to
> explode wire, I just short that thing out, and
> *poof!*.  Anywho, I've got a
> good high-amperage supply, and plenty of 2n3055's to
> toast.  Got good
> heatsinking also.  Eventually i'd like to take a
> crack at a solid-state
> sillycon powered TC.  I believe flybacks would be a
> good place to start
> learnin'.  Less noise than a sparkgap too :)

  It will work with air core too. I fed a Rhumkorff
coil without iron core, with a NE 555 driver and it
worked very well ( nice plasma balls)
> 
>   Another question...A base-fed TC...that's just a
> secondary that's having
> high-powered RF pumped into it, right?  I'm assuming
> a primary isn't used,
> and the normal RF ground is used as the input.  What
> are the normal ranges
> for input power, and how exactly do you feed it?
> 
   Look at:
   http://www.coe.ufrj.br/~acmq/ressona3.jpg
   on Antonios Carlos de Queroz site
                           teslina
> Caio!
> 								Shad
> 
> 
> 


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