Imhotep-Bedini

[tarcius]

 Hello made some additional tests today.
first, a.king21
Hmm interesting remarks.
i have few ideas that could work with static shielding.
What you say that i try with pigtail cables as standard conductors that i use in wireless technology. They are designed to work from 2.4 to 5.8 GHz
Only question remains where to connect pigtail shielding from all the wires (maybe - polarity of output bat)
That design would minimize high frequency dissipation from wires.

Now to my tests:

I used same power supply 12v
one wire disconnected that goes from 120mm fan to pot
Removed fan blades that have permanent magnets on them
circuit still works and giving out better spikes than with fan blades on
First i did measurements of freq without anything connected at output.
pot at max 900 ohm, current draw is 140 mA, freq is around 132 Khz
pot at min 0 ohm, current draw is 190 mA, freq is around 154 Khz

Then i connected cap 200 v 470 uF at output to measure charging speed.
pot at 900 ohm, current draw 146 mA, it charges cap to 100 V in 15 s (100% faster than when blades are on), peak value is 130.1 V and it gets there in around 10m:00s
pot at 0 ohm, current draw is 188 mA, it charges cap to 30 V in 5 s, peak value is 36 V and it gets there in 8m:10s

pictures of my design: