I made a 4kV 1nF cap (4x1nF series parallel) and placed it between L4 ouside rim and ground.
I connected the parallel mosfets over it (source to L4, drain to ground)
And tested if the resonance still worked, with the body diodes.
I still had no DC offset. and mosfets were turned off (no BNC so I assumed they were off)
Signals remained good, and equal.

I am again extremely excited about all these developments.

I expect the L4 ring to grow in amplitude like the cumulative wave CP Steinmetz called it.
I probably will need to adjust the 1nF to get a steady growing negative DC offset, which I can discharge.
The beauty is now that, the positive DC offset of the L2 primary, never gets discharged (only temporarily by the L1 impulse).

This means the L1 impulse will remain full power, after L2 dc offset has been charged up.

So when the cap to ground on L4 is discharged, the impulse can quickly charge that cap back up.
This was a problem before, when I tried to discharge the primary capacitors.

now I need to hook up and tune the delay circuit again, and see what happens.

hmm I need more space for the dc offsets.
although the negative is only a few series diodes

ah yes... I need to place the coils on their side. Saves a lot of area

it fits!

just need to keep below 2kV for now,
my C2 is still 2kV rated, and the negative dc offset diodes are only 2 mur8100 in series, so thats 2kV max. easy to double.

60nF is now 6x10nF, that would be 24 series parallel for 4kV 60nF...

hmm I have a block of 24x 22nF that I could use, 66nF would be acceptable probably.
than I only need 12x 22nF in series parallel.
or...10!

I made a new cap for C2, with 10x22nF, making 57nF 4kVdc (measured at 100kc).
The previous cap measured 62nF so a difference of 5nF. Might detune C3 a bit, but not a problem, as I still need to tune to a higher harmonic, to get the single sine wave. but first need to test for cumulative wave of L4

Ok, The new C2 cap almost didn't detune the system, now at 159.2kc/s instead of 159.1kc/s
DC offset works. I need to draw up a new schematic.

probes are now DC coupled
yellow is L2/c2 junction
orange is L3/L4/C3 junction.

cap between L4 and ground is only 1nF

It would make sense to discharge when the resonant L4 voltage is maximum negative, but this is before the L2 impulse, even before the SW1  MOSFET turns off. I would prefer to time it at the impulse, but it is good to have options

FINALLY
it start to do what I wanted to see months ago.
Green is the voltage on the L4 ground capacitor.

I haven't tried reversing (flipping over) L3 instead of L4. I could always try that if needed

After looking closer to the last screenshot, it would male sense to time the discharge at the max positive peak of the orange  l3 l4

I also notice orange seems to jump harder more voltagr changed when compared to green. maybe its due to resonance.
but both are same coils. both are L4. just inside and outside rim.

so if... then why? is this the start of what I am hoping to achieve?

and what about the ringing? could it be problematic at higher power levels?

I flipped L3 over. So now both L3 and L4 are flipped over. They are now together rotating in the same direction again.
I don't like having them close coupled and counter rotating. just makes no sense for the fields. Thats probably why the harmonic tuning didnt gave a perfect sine wave without the quicker L4 on top.
Both coils should be resonant with C3.
L3 parallel- and L4 series resonant.

So now the L1 L2 are clock wise, and L4 L3 are counter clockwise.

I tested and it does look good. didnt tune it to the harmonic yet. but it seems to be needing more capacity again for C3 to get the freqeuncy down to around 160 kc.

yellow L2 voltage, orange L3 L4 inside rims voltage

I slept pourly last night. I cant focus and compare the scope shots, to see if the coil flipping makes sense.
I wish I had a helper, who could point it out for me.
break time.

I flipped L3 and L4 back to "normal" so now all 4 coils are wound in the same direction.

Green is the voltage on the outside rim of L4 cap (to ground) showing the negative DC offset
orange is the C3 L3 L4 inside rim
yellow C2 L2

probing is with DC coupling, so now the DC voltage difference is clearly visible.
Around 1200V total between L2 and L4
The impulse is around -650V so this discharges the positive dc offset.

green is around -580V
after turnoff, this voltage is instantly drained. its only a 1nF cap, so I probably will make it bigger. but it already gives a fairly stable voltage (45V ripple)
This was at 163kc/s with 57nF as C2 and c3=4.1nF
psu gives 2x18.6V @ 0.55V dc =20W

ok, and this is with the SW2 mosfets on, this time, the switch once every 5 impulses from SW1
The DC between L2 L4  can be seen changing rapidly when sw2 pulses on (duration around 600ns)
slight HF ringing which is ok.
this was at 2x14,9V dc from the PSU at 163 kc/s (nothing changed in the setup).

Each time the impulse charges the cap up step by step, in small incraments, becoming more negative. and then suddenly creating the change in DC, discahrging from negative to zero,
During the time, the impulse also changes from zero to positive.
So there is no real net change in voltage between L2 L4.
I can time the discharge to any other point.
so I probably will tune to the L4 L3 maximum, pos or neg.

I tuned the sw2 discharge to the positive voltage maximum of L3 L4

I aslo dont like the ripple on L2, so I will tune slightly above resonance, where I only have a single impulse.
This means, I should again increase C3 to tune to the sub harmonic

edit: tuning C3 is only tuning L3. but L2, should now be tuned by coupling distance

nope... I tuned the ripple away, without sw2 switching. Then I hooked sw2 up again. and ... ripple is back.
LEts draw a circuit...

dc discharge circuit
The idea is:
L1 creates impulse. this is used to charge up the positive and negative dc offset on the primary and the L4 extra coil.
These coils act as capacitor plates.
L2 is series resonant, with high resonant current and low resonant voltage
L2 receives the negative impulse from L1.
the L2 impulse, excites the L4 extra coil. to do so, they need equal resonant frequency.
L3 is parallel resonant with C3, tuned to a sub harmonic of L4/L1 impulse
L3 has high voltage and high current 90 degrees out of phase
L4 has voltage and current in phase.

Negative DC offset on L4L3 is discharged by sw2.
To first charge the C1 cap up, several impulses are needed.
So every 5 times that sw1 switches (and creates an impulse) sw2 switches once. And discharges the dc negative to ground.

This together with the impulse on L2 should create an inflow of external energy into the system, amplifying the L4 resonance

And again, the fields have floored me.
tired. out of focus. the same story.

I suspect it is a form of beta radiation.
this article shows how to protect :

https://www.nuclear-power.com/nuclear-power/reactor-physics/atomic-nuclear-physics/radiation/shielding-of-ionizing-radiation/shielding-beta-radiation/

So, cardboard, with aluminum foil should already make a big difference.
I also have some left over acrylic so I could make a window.

I also am thinking about placing the coils further into the corner. so my legs cant be underneath the desk.

I feel my head is mostly effected, it feels like its full with cottens. which makes sense as it is not protected by my  grounded esd coat.

a gas mask seems to much...

I hope this will help.

my wooden desk already is polarised. it reads more then 100V/m. the coils also. So I need grounded gloves to handle them

In many publications of "free energy" devices, a reference is made to counter rotating coils.

When I flipped L4 over, I noticed an anomaly.

normally the outside rim of L3 only shows resonant current, but no resonant voltage of L3. It only showed the resonant voltage of the faster L4.

which is nice for measurements of L4.
but this time I was surprised, now the outside rim of L3 also had the large voltages of L3 inside rim. even double in amplitude,
which is very odd.

and odd is good.
I think I should look into it. load L3 witbout ground (both ends rectified)

another point worthy of investigation
is the voltage and current of L4 being in phase. It would be interesting to look what happens at the zero volt and current of L4 (where L3 current is max) to discharge there. Voltage+current=power

I didn't check flipping only L3 over yet.

what also interests me is discharging right after the impulse (as it ends with a negative to positive discharge)
this prevents discharging L1 throught diode to ground. although that also is interesting.

also, the voltage difference between L3 and L4 could be utilized, together with the discharge. so capacity plays a role again, putting L4 ground coupled to L3 inside rim resonant side

I see my brain is working fine again. to bad it is at 5:30 am

https://patents.google.com/patent/US20150311827A1/en

I made a shield.

3.5mm hardboard, with both sides aluminum foil. Still need to cover it with paper.
the 2 plates of 61x122cm can be folded in the middle.

I placed my circuit in a corner of my work bench, and the plates will be placed in tat corner so the fields wont be able to reach me.

I hope this will keep me fit.

singnal gen and scope are reachable without being in a direct line of sight with the coils.

if needed, I can easily ground the plates.

I made 2 recordeing, withmy new shielding in place. lets see how I will feel afterwards. I still need to sit down to be fully protected, I could still see the coils while standing up.
And I cant change the power levels. So I might need to place my PSU somewhere else, or.. make another shield.

ow hmm I also forgot to ground the plates...

I made a video comparing the results of flipper L3 or not

Flipped, The L3 in and outside rim are in phase, and appear to be much larger in amplitude, especially for the outside rim which is more then double the inside rim.

non flipped, the in and oustide rim of L3 are 180 out of phase, which is what I would expect it to be.
inside rim has a slightly higher voltage then when flipped

https://www.youtube.com/watch?v=5fcwMG7tAOA

to flip or not to flip
00:00 - Start
02:45  non flipped, L4 out of phase with L3
03:40 resonant with ripple on primary (L4 L3 in phase)
04:55 - Marker 1
5:12 flipped  L3 in and out ar IN phase! out is very high(false?)
06:27 - Marker 2
6:46  flipped resonant with ripple on primary. in and outside rim are IN phase
07:21 - Marker 3
07:29 - Marker 4

Why is that outside rim voltage so high?

Did tests today, and I am NOT zoned out !
hooray. :cheerleader:
This means I can now work 4x faster and with focus