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Re: SSTC does 10 foot sparks



Original poster: "Eastern Voltage Research Corporation" <dhmccauley-at-easternvoltageresearch-dot-com> 

No.  Most of the energy is dissipated in the form of the large, high current
output arcs.
I'm very sure the CW Plasmasonic systems put out much more RF than this 10
foot arc monster.

Dan


 > How do you keep from frying yourself with RF. My gosh if you can get brain
 > tumors (I'm not convinced) from a cell phone, what are the potential risk
 > from this RF source ? Isn't it several 100 times the RF signature of a
 > spark gap coil ?
 >
 >
 >
 > Paul S. Marshall
 >
 >
 >
 >
 >
 > >From: "Tesla list" <tesla-at-pupman-dot-com>
 > >To: tesla-at-pupman-dot-com
 > >Subject: Re: SSTC does 10 foot sparks
 > >Date: Fri, 18 Jun 2004 14:47:29 -0600
 > >
 > >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
 > > > > >
 > > > > > _
 > > > > >
 >
 >
 >
 >
 >