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Re: SSTC does 10 foot sparks



Original poster: "David Rieben" <drieben-at-midsouth.rr-dot-com> 

Steve,

This is a very impressive power vs spark length ratio! I
may have to consider giving up on the pig coils and try
to build one of these SSTC  coils to get that kind of
performance. I fear that I, like some of the others have
mentioned, am too unfamiliar w/ solid state electronics
to comfortably take on building a SSCT of this magnitude. I know that IGBTs
of this magnitude don't
come cheap if you fry one or two of them in the learning
process :^O

BTW, are these 10 ft streamers as loud as equivalent 10
ft streamers from a pig driven coil pulling around 7 to 8
kVA? I figure that they probably aren't just because the
absence of a SG if for no other reason.

David Rieben
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, June 18, 2004 11:52 AM
Subject: Re: SSTC does 10 foot sparks


 > Original poster: "Steven Ward" <srward16-at-hotmail-dot-com>
 >
 > Oops, forgot to mention the power consumption is less than 4800W... not
 > exactly sure because i dont have a watt meter that big but i have it both
 > fused and breakered to 20A and even after quite long runs it has never
 > popped the fuses or breakers.  My guess is around 4kw to make 10 foot
 > sparks.  Solid State is the only way i would ever have a coil this large
at
 > my house... i cant really feed a pig on my 20A line.
 >
 > Anyway, i ran the coil again last night for a pretty long time.  We had a
 > "cage of death" set up so i limited my output to 7 feet (though it hit the
 > ground at 9 feet several times as well).  At this distance there arent
 > streamers... just power arcs to the cage the whole time.  The friends all
 > loved it and we had a fun safe night that went without problems ;)
 >
 > Steve Ward
 >
 >
 > >From: "Tesla list" <tesla-at-pupman-dot-com>
 > >To: tesla-at-pupman-dot-com
 > >Subject: Re: SSTC does 10 foot sparks
 > >Date: Thu, 17 Jun 2004 18:54:02 -0600
 > >
 > >Original poster: "Brian" <ka1bbg-at-webryders-dot-net>
 > >
 > >Hi, NICE! do you have any idea what the power input is? you are "HOT" on
 > >these ss coils! cul brian f.
 > >----- Original Message -----
 > >From: "Tesla list" <tesla-at-pupman-dot-com>
 > >To: <tesla-at-pupman-dot-com>
 > >Sent: Thursday, June 17, 2004 10:46 AM
 > >Subject: SSTC does 10 foot sparks
 > >
 > >
 > > > Original poster: "Steven Ward" <srward16-at-hotmail-dot-com>
 > > >
 > > > Coilers,
 > > >
 > > > Recently there has been a lot of advancements in the SSTC area of
coiling.
 > > > Im proud to be the first (or at least i *think* im the first) to
achieve
 > >10
 > > > foot (or better) sparks from a solid state tesla coil!  The design is
 > > > similar to that of my first ISSTC but using more robust gate drivers
and
 > > > switching devices, and of course MUCH larger coils.
 > > >
 > > > I will eventually get the details up on my site, but for now here are
some
 > > > pictures:
 > > >
 > > > http://www.hot-streamer-dot-com/srward16/ISSTCII/ISSTCII_goodpics/
 > > >
 > > > In some of the pics you will see it arcing to a green chair in the
 > > > forground, this is 115"... a few times it struck out beyond that at (i
 > > > approximate) 125".  And i havent even put the max voltage on it!  Im
 > > > limited by the ground being so close ;)  The coil stands 5" taller
than
 > > > myself at 6'11".  The output is fierce and constantly power arcs to
 > >objects
 > > > in the 9 foot range with some scattered action at 10+'... im sure if i
set
 > > > it up just right i can get about 12 feet from this monster and that is
my
 > > > goal (it was 9 feet but that was effortlessly achieved).
 > > >
 > > > Enjoy!
 > > >
 > > > All comments welcome.
 > > >
 > > > Steve Ward
 > > >
 > > > _
 > > >
 > > >
 > >