Re: SSTC huge flyback version

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

Original poster: "Arpit Thomas" <neko4-at-dodo-dot-com.au> 

Keep me informed, id love to  make one similar, except not portable.

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On 11/10/2003 at 7:27 PM Tesla list wrote:

 >Original poster: "RIAA/MPAA's Worst Nightmare" <mike.marcum-at-zoomtown-dot-com>
 >
 >I was thinking of making a giant 15 kW jacob's ladder (5-foot spread) that
 >was also portable (not pig/generator powered). I came across this circuit:
 ><http://www.repairfaq-dot-org/sam/inverter.gif>http://www.repairfaq-dot-org/sam/inverter.gif 

 >I was planning on powering it on 180vdc (50 lithium cells in series)
 >instead of 12 (having trouble making 1500A primary fit and harder than
 >heck
 >to work with). Any ideas on what to change besides the resistors and
 >transistors? I think it would be cool to have the frequency drop into the
 >audio spectrum as the arc climbed as opposed to the usual 60Hz buzz (roar
 >with a pig). I've seen it done with tv flybacks (~200w), but not on this
 >scale. The E-core I'll have is 4" cross section with 2x 4.5" windows.
 >Would
 >a 1" cross section UU-core work for the "saturable transformer" or is that
 >too big? Maybe a regular flyback core there? Thanks for any help/advice.