Re: Flyback Driver PCBs

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

Original poster: "Jim Mitchell" <electrontube-at-sbcglobal-dot-net> 

WHAT!? Kreso thats 6 & 1/2" arcs from a plasma globe flyback?! Those things
are tiny 1" cubes that go up in flames if you try to get more then a few kV
out of them!
  Strangely I am suspicious.  Do you have pictures?

Regards - Jim Mitchell

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, April 13, 2004 9:51 AM
Subject: Re: Flyback Driver PCBs


 > Original poster: Kreso Bukvic <kreso.bukvic-at-kc.htnet.hr>
 >
 > Now for me to spit somthing. I had gotten from small cheap commercial
plasma
 > globe flyback ~ 17 cm flaming arc. I was just keeping this for me but il
 > give the word out. I was driving this flyback from PC SMPS so i thinked
why
 > we all use  LV output of this small transformer? So i connected my flyback
 > primary to primary of the transformer i gues there was arround 300 VDC.
The
 > flyback gaved 5 - 6 cm arcs now. After some head scratching i realised
that
 > SMPS transformer eated alot of power so i remowed it. After turrning on i
 > realised thet the flyback is giving small arcs to air (like Tesla coil).
 > Trying to pul an arc i realised it can make ~ 17 cm flaming arcs. I was
 > impressed . So i tried to connect big DC flyback there and tried to pull a
 > spark at point of ~8 cm the corona appeared but as soon the spark created
 > the mosfets blew i think that wasn ot problem a wire hanged and shorted
the
 > output. I never tried this experiment later ( need to build a sstc.)
 >
 > I know all will call me a layer and wont bolive me, but try it im NOT
lying
 >
 > The picture of the flyback can be seen here
 > http://www.allthingstesla-dot-com/viewthread.php?tid=766&page=#pid6060
 >
 > BTW the SMPS was AT 200 W
 >
 > Best Regards
 >
 > Kreso Bukvic
 >
 >