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Re: Toroid Behavior



Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 


No, incorrect.

The 6 inch spark equals 184 kV across my discharge electrodes, the toroid
and the ground sphere.



Dr. Resonance

Resonance Research Corporation
E11870 Shadylane Rd.
Baraboo   WI   53913
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, December 28, 2003 12:08 PM
Subject: Re: Toroid Behavior


 > Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net>
 >
 > I take it that the 184kv measurement with Terry's planar antenna was in
 > normal operation with 380 pps producing 5 1/2 arcs.  The single shot mode
 > where a 6 inch arc to a ground electrode was measured at something close
to
 > the 501KV breakout.  Would this be correct??
 >
 > Gerry R
 >
 >
 >  > Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com>
 >  >
 >  > We have a medium size coil with 24 x 6 inch toroid measured output at
184
 > kV
 >  > (measured with Terry's planar antenna and also DC single pulse shot
 >  > operation).  This is far below the 501 kV breakout level mentioned
below.
 > It
 >  > breaks out to a 6 inch ground electrode in single shot mode (1 pulse
every
 > 5
 >  > sec) and is in close agreement with measured peak DC values.
 >  >
 >  > Coil's max peak potential is 184 kV and at 380 pps it produces 5 1/2 ft
 > long
 >  > sparks.
 >  >
 >  > Dr. Resonance
 >  >
 >  > Resonance Research Corporation
 >  > E11870 Shadylane Rd.
 >  > Baraboo   WI   53913
 >  >  >
 >  >  > With Antonio's new field mapping tool, I have been able to perform
some
 >  >  > paper experiments to get a better feel for what parameters of the
 > toroid
 >  >  > affect what.  I have done three experiments all centered around a
6x24
 >  > inch
 >  >  > toroid (since this is what I'm planning for my next coil).  Three
 > results
 >  >  > are given for each experiment:  Vbreakout (Vbo), Ctop, and Reach.
All
 > of
 >  >  > these were determined with the toroid hanging in free space with
 > nothing
 >  >  > else attached (like a secondary).  Reach was an attempt to determine
 > how
 >  >  > far the field "reaches" out to help with streamer formation.  I used
 >  >  > Antonio's probe capabilites to measure the field at a distance from
the
 >  >  > toroid surface (horizontally) and found the distance where the field
 > was
 >  >  > 1/10 (arbitrarily chosen for comparison purposes) of the value at
the
 >  >  > toroid surface.  The potential of the surface was set to Vbo for
this
 >  >  > purpose so the reach distance is the distance horizontally away from
 > the
 >  >  > surface where the E field dropped to 300,000 V/m.  The surface field
 >  >  > strength would be 3,000,000 V/m
 >  >  >
 >  >  > Experiment #1: Vary major diameter with minor set to 6 inches
 >  >  >
 >  >  > size       Vbo      Ctop        Reach
 >  >  > ------------------------------------------------
 >  >  > 6x18   430KV   20.6pf   12.2inches
 >  >  > 6x20   455KV   22.5pf   12.9inches
 >  >  > 6x22   478KV   24.4pf   13.6inches
 >  >  > 6x24   501KV   26.3pf   14.2inches
 >  >  > 6x26   522KV   28.1pf   15.0inches
 >  >  > 6x28   542KV   30.0pf   15.5inches
 >  >  > 6x30   562KV   31.8pf   16.0inches
 >  >  >
 >  >  >
 >  >  > Experiment #2:  vary minor diameter with major set to 24 inches
 >  >  >
 >  >  > size       Vbo      Ctop        Reach
 >  >  > ------------------------------------------------
 >  >  > 3x24   358KV   24.1pf   10.0inches
 >  >  > 4x24   412KV   24.9pf   11.6inches
 >  >  > 5x24   460KV   25.6pf   13.0inches
 >  >  > 6x24   501KV   26.3pf   14.2inches
 >  >  > 7x24   540KV   26.9pf   15.3inches
 >  >  > 8x24   579KV   27.5pf   16.3inches
 >  >  > 9x24   606KV   28.0pf   17.2inches
 >  >  >
 >  >  >
 >  >  > Experiment #3:  vary both minor and major diameters maintaining
 > constant
 >  > Vbo
 >  >  >
 >  >  > size       Vbo      Ctop        Reach
 >  >  > ------------------------------------------------
 >  >  > 5x29   506KV   30.2pf   14.2inches
 >  >  > 5x28   498KV   29.3pf   14.1inches
 >  >  > 6x24   501KV   26.3pf   14.2inches
 >  >  > 7x21   502KV   24.1pf   14.3inches
 >  >  > 8x19   505KV   22.7pf   14.4inches
 >  >  >
 >  >  >
 >  >  > Most of us knows that major diameter mostly affects capacitance and
 > minor
 >  >  > diameter mostly affects breakout voltage, but the results of
 > experiments
 >  > #1
 >  >  > and #2 show to what degree major diameter affects breakout and minor
 >  >  > diameter affects capacitance.
 >  >  >
 >  >  > The results of experiment #3 suggests that reach is mostly a
function
 > of
 >  >  > breakout voltage.
 >  >  >
 >  >  > Comments welcomed
 >  >  >
 >  >  > Gerry R
 >  >  > Ft Collins, CO
 >  >  >
 >  >  >
 >  >  >
 >  >
 >  >
 >
 >
 >