RE: Practical problem with SRGS

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

Original poster: "David Kyle by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dave-at-kyleusa-dot-com>

Sounds like you are out of phase and perhaps out of tune. I experienced
similar results until I found the sweet spot for the SRSG and proper
tuned by primary tap. Shifting the phase of SRSG made an enormous
difference and the ability to fine tune it dynamically it is especially
helpful. Try John Freau's SRSG phase control circuit
http://members.aol-dot-com/futuret/page3.html.
 

=========================================
Dave Kyle
Austin, TX USA
Email: dave-at-kyleusa-dot-com


-----Original Message-----
From: Tesla list [mailto:tesla-at-pupman-dot-com] 
Sent: Monday, February 18, 2002 2:37 AM
To: tesla-at-pupman-dot-com
Subject: Practical problem with SRGS

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Mddeming-at-aol-dot-com>

Hi All,
      Don't everybody panic, but yes, this really is a post from me on a
non-theoretical, non-philosophical topic. (Gasp!)
I have just completed a "Face-down" SRGS, that is, with the motor
mounted
vertically with shaft through the top of the 12"x12"x6" "Blast Box"
with the
moving electrodes pointing downwards from the face of the disk, and the
stationary electrodes mounted on a  rotatable PVC ring pointing upwards
from
the floor of the box.(Think commode flange) I am using a 6"X1/2"  disk
with two
electrodes and a 3600 RPM SP motor rated 1/7 hp so power should not be a
problem. 
         The position of the electrodes checks out with a modified RS
strobe
(thanx for the design, Terry) The test setup is as follows: 
I am using a spare 15/60 Allanson NST supplied from a 120V/20A Variac.
Power to
motor is off a different circuit and is not adjusted. For test purposes,
the
gap is just across the HV terminals with gaps set at ~4mm each. the
blast box
has a 4" fan mounted in a hole on one side for ozone removal. ends of
box are
1/4" PVC pegboard. Sides, top, and bottom are 1/2" Melamine-coated
composition
board.
What I expected: Nice uniform sparks with a fairly constant hum
(compared to my
sucker gap),so it could be fine-tuned before installing on coil.
What I got: Bursts of erratic sparks with several-second periods of
silence
between.
Question, has anyone had similar experience? If so,what am I missing?


Matt D. 
G3-1085