Re: to the u.s. members on the tesla list,(was, sparklength)

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

Original poster: "Peter Terren" <pterren1-at-iinet-dot-net.au> 

God bless Australia too! I started the thread...
Peter (Tesla Downunder)
http://members.iinet-dot-net.au/~pterren

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, January 22, 2004 10:57 PM
Subject: to the u.s. members on the tesla list,(was, sparklength)


 > Original poster: "Richard Modistach" <hambone-at-dodo-dot-com.au>
 >
 > i've seen some pretty impressive sparklengths from various systems
 > quoted in this thread and i'd like to congratulate all those who have
 > achieved
 > so much, well done, and to the help all you vetrans have so patiently
 > addressed to the newbies, this is truly a great mailing list and i'm proud
 > to be a part of it. i'll visit there one day but for now "god bless the
 > u.s.a."
 >
 > regards
 > richard
 > aus.
 > (still working on my first 4"coil)
 >
 >
 >
 >
 >
 >
 >
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Thursday, January 22, 2004 1:59 PM
 > Subject: RE: Highest secondary to spark length ratio?
 >
 >
 >  > Original poster: "John H. Couture" <couturejh-at-mgte-dot-com>
 >  >
 >  >
 >  > John F. -
 >  >
 >  > I think I have the record now. Some time ago I put a one turn of 28AWG
 > wire
 >  > resonator coil beside my small magnifier TC and got a 6" spark at 80
 > watts.
 >  >
 >  > The ratio was 6.000/.0201 = 298. If I had upped the power to 100 watts
I
 >  > could have gotten an even higher ratio.
 >  >
 >  > I agree that both the secondary and resonator should be used for this
 >  > comparison.
 >  >
 >  > John Couture
 >  >
 >  > -------------------------------
 >  >
 >  >
 >  > -----Original Message-----
 >  > From: Tesla list [mailto:tesla-at-pupman-dot-com]
 >  > Sent: Wednesday, January 21, 2004 8:38 PM
 >  > To: tesla-at-pupman-dot-com
 >  > Subject: Re: Highest secondary to spark length ratio?
 >  >
 >  >
 >  > Original poster: FutureT-at-aol-dot-com
 >  >
 >  > In a message dated 1/21/04 6:40:39 PM Eastern Standard Time,
 >  > tesla-at-pupman-dot-com writes:
 >  >
 >  >  >"Among the finest of our systems was "Nemesis", a 14" diameter, 48
inch
 >  > tall
 >  >  >classic coil which regularly
 >  >  >produced 14 foot long arcs when operated near its maximum of 9kva
input
 >  >  >energy.
 >  >
 >  >
 >  > Peter,
 >  >
 >  > The Nemesis coil gave sparks that were about 0.5 foot longer
 >  > than my formula predicts (using kVA).  Pretty much on the curve though.
 >  > The Nemesis was a very impressive coil due to the very large
 >  > toroid and high input power.  I used to enjoy seeing (and hearing),
 >  > that coil run.  I missed it when Richard dismantled it.
 >  >
 >  > Another superb Tesla
 >  >
 >  >  >coil system was Magnifier #11E which utilized a small 12 inch long, 3
 > inch
 >  >  >diameter resonator that produced
 >  >  >an astounding 10 feet of output arc with only 5-6kva input energy."
 >  >
 >  >
 >  > If we figure 6kVA, then the the predicted spark length using my
 >  > power vs. spark length formula is about 11 feet.  If we use 5kVA, then
the
 >  > predicted spark length is 10 feet.  So the magnifier is less efficient
 >  > than the Nemesis coil.  Well my formula really uses watts, but VA is
 >  > close enough and keeps things standard for comparing with the
 >  > Nemesis coil.
 >  >
 >  >
 >  >  >Don't forget the Magnifier also is driven by the secondary as well
and
 > is
 >  >  >not really equivalent.  I don't have the secondary details for
Richard
 >  > Hulls
 >  >  >coil but even if his secondary was only 2 feet then the total coil
 > length
 >  > is
 >  >  >3 feet for a ratio of 3.3 which is not as impressive.
 >  >
 >  >
 >  > Yes, thanks for considering both the secondary and the resonator
 >  > combined, when figuring output spark lengths.
 >  >
 >  >
 >  >  >Bert Poole's magnifier has a 33" secondary and 24" resonator (total
57")
 >  > and
 >  >  >15 foot sparks.  For what it is worth that ratio is 3.1.
 >  >  >http://bhs.broo.k12.wv.us/homepage/chip/current/bpool/bpool2.html
 >  >  >
 >  >  >So far the best results I know of are from Ed at 3.77. Now about
those
 >  >  >pictures..
 >  >
 >  >
 >  > I wonder if anyone has placed a 1" tall tiny resonator coil on top of
 > their
 >  > classic coil and called it a magnifier and then claimed a spark length
of
 >  > of 100 times the resonator length or whatever?  Well maybe they should
 >  > put the 1" tall resonator at the end of a transmission line to satisfy
 > those
 >  > who fear
 >  > unwanted coupling between the secondary and resonator.  This is not an
 >  > original idea of mine, Malcolm and maybe others have spoken of this
 >  > 1" resonator approach years ago.  Has anyone tried this?  Who will
 >  > win the contest for spark length with highest multiples of the
resonator
 >  > length?
 >  >
 >  > John
 >  >
 >  >
 >  >
 >
 >
 >
 >