Re: Ground rod Connection Point

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

Original poster: "RIAA/MPAA's Worst Nightmare" <mike.marcum-at-zoomtown-dot-com> 

~65 turn primary inside secondary (.385 coupling with the secondary potted
in oil to stop racing/flashovers) , synch rotary gap, .0165 uF 942c cap
(string of 9), 6x31" secondary wound with  30.5" awg 31double build (approx
3000 turns), wound with 4 layers of this with each inductance matched (this
alone increased length from 24 to 30"), 6x24" spun toroid. Oh I forgot to
mention that this is with a 140v 2A variac (pf corrected the nst) so really
its ~8750v/35mA. The nst was originaly an open core 7500/20 mA with shunts
removed (saves me the trouble of removing the tar, which traps heat). The
only thing I have left to do is try for .6 coupling, but I'd probably need
some ferrite rod, which can't be found in the size I need. Actually
increasing coupling didn't increase length much, just made the streamers
brighter/louder.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, November 05, 2003 10:17 PM
Subject: Re: Ground rod Connection Point


 > Original poster: humanb-at-chaoticuniverse-dot-com
 >
 > You seriously got 30" sparks from a 30 milliamp 7500
 > volt transformer??? I'd like to know your secret?
 >
 > Regards,
 >
 > David Trimmell
 >
 > On Wed, 05 Nov 2003 11:46:37 -0700, "Tesla list" wrote:
 >
 >  >
 >  > Original poster: "RIAA/MPAA's Worst Nightmare"
 >  > <mike.marcum-at-zoomtown-dot-com>
 >  >
 >  > I used it in the primary (4" wide Al flashing with 6
 >  > mil pe) of my "small"
 >  > (7.5 kV 30 mA) coil and still got 30" sparks. I'd get
 >  > better using same
 >  > dimensions of copper?
 >  >
 >  >...Snip.........
 >
 >
 >