The single disk small machine
has a black backing and the
dual disk small machine and the
3kW machine both have a black rear disk.
Could there be a reason for this black material?
Borrowing an idea from Implosion from Holland on the
testatika Yahoo! Group I cut up a
vinyl record for the back disc with the hope that it would hold a charge,
replacing the need for any high voltage power supply. This would therefore
give me good oscillations measured across the antenna keys. It worked like
a charm! The front disc was the
disc with sectors on both sides where each inner sector was made up of
two strips of metal and where sectors on both sides were electrically connected
and all sectors were electrically connected near the disc axis and where
the outer sectors were completely insulated but the inner sectors were not.
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After touching everything with a grounded wire to try
to bring everything to an equal charge.
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After touching the vinyl disc with my fingers to put a
charge on the disc. Big difference! And it stays this way for a long time!!
The messy output is due to the fact that this is a quickly thrown together
hack and the vinyl disc wobbles as it rotates. Some spikes below are 1.5V
but I've seen higher since (possibly 3 or 4 volts.) This output represents
three rotations.
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See also my excellent results with vinyl
material with my single disk small machine.
Why the black material? It's known that the disks are first turned by hand and
that after a few turns, the disks then turn by themselves. The "something"
that taps into an energy source to get excess energy may need the oscillations
you see above in order to do the tapping. Once the energy source has been tapped
into, that energy may be used to:
- keep the disks rotating,
- charge up some capacitors to continue to provide the charge that the
black material provides since it may disipate, and
- be fed into the pots (the two large cans) which convert it to DC, or high
frequency pulses DC, or DC with high frequency AC riding on top, all of
which would look like straight DC to an analog meter. This is the output.
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rimstar.org
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If you have any suggestions of information to add, advice, corrections, ...,
please send email to Steven Dufresne:
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