Proposed capacitive transformer TC?

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

Original poster: "Jolyon Vater Cox by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jolyon-at-vatercox.freeserve.co.uk>


Further to my previous question on the posible use of a capacitor tap in place
of a primary coil, does anyone have experience of construction or use of a 

"capacitive transformer" type Tesla coil -if it is still permissible to use the
latter appellation to describe such a radical departure from the more
traditional inductively-coupled design!

I am aware that some sort of "feed plane" between the topload and ground plane
(and capacitively coupled to both) would be required and it would have to be
designed so that it did not unduly interfere with the magnetic field generated
by the "secondary" coil (L1) -not a correct definition as there would be no
"primary" and therefore no inductive coupling.

The feed plane would of course have to be fed with RF either from a generator
or a from a spark-gap.

I am thinking of starting small to test the concept without entailing excess
cost e.g.. so am considering building a "mini-coil" using 40SWG wire on a
plastic vitamin pill container for L1 and a flyback transformer to fire a
spark-gap connected between the ground and the feed plane which might be a
horizontally-mounted metal sheet a central hole big enough for the coil to
stand vertically within it without actually touching the metal sheet. Or maybe
the feedplane could be a non-inductive coil surrounding L1 and connected
between the PSU and the spark-gap with the insulated wire double-backed so that
the magnetic fields cancel leaving only the electric field to interact with L1,
the output inductor.

If the proposed device were constructed, is it at all likely that there would
be enough capacitive coupling between the feedplane/ground capacitor C1 and the
parallel-resonant circuit L1-C2-C1 to allow sufficient energy to be transferred
from the former to the latter for the production of sparks or streamers?

Finally, would it permissible for me to submit *.jpeg or *.bmp images of the
device to the TCML for further reference and comment?