Kapanadze Cousin - DALLY FREE ENERGY

[itsu]

Hoppy,

could it be that these 2 C** are more like symbolic capacitors representing the Grenade coil capacitance?
I understand so much from Akula's video here, (around the 11:15 minute mark)

https://www.youtube.com/watch?v=fp3sed_eli0

Regards Itsu

[Hoppy]

Hoppy,

could it be that these 2 C** are more like symbolic capacitors representing the Grenade coil capacitance?
I understand so much from Akula's video here, (around the 11:15 minute mark)

https://www.youtube.com/watch?v=fp3sed_eli0

Regards Itsu

Itsu,

Maybe, but although the LHS cap is in parallel with the grenade coil and would fit your suggestion, the RHS cap is in series, so I'm not really sure. Also, the coil capacitance would usually be denoted by a dotted line connection.

Regards
Hoppy

[Dog-One]

It was always my impression those two cap symbols were actual high voltage ones similar to the 0.47uF.  The value is not shown because they have to be selected specifically for tuning the device.  That tuning may well change from day-to-day depending upon environmental conditions.  If so, obviously you wouldn't post a schematic with fixed values.  It could also be those values can be a wide range--basically use what you have.

The testing I have done so far suggests they can be optimized to get the best sine wave signal and the most output power.

[TinselKoala]

Good day TK

Yes, you are one of the few exceptions!!!!!   Very few coilers use the TypeII setup, probably just because there are soooo many TypeI PLL SSTC schematics available on the web.

What are you running on the your interrupt? ...about 40% mark time?

take care, peace
lost_bro

Yes, in the scopeshot shown it's about 40 percent. But the interrupter is adjustable for both frequency and mark-space (duty cycle). It's a 555 circuit connected to the 4046 Pin 5... a strategy that you will recognize, no doubt.   


The thought occurs to me that perhaps a second 4046, tuned to a different frequency, could be used instead of the 555 to provide an interruption that was locked to one of the other frequencies needed....

[NickZ]

  The C18 cap is the 0.47uf 2000v WIMA tuning capacitor on the 3 turns/induction coils circuit in series.
  And the C** is a 0.1uF, (now changed to 0.15uf) 1000-2000v WIMA tuning cap for the yoke's 28 turns coil and the grenade's 168 turns output coil, placed in parallel.
  Hoppy, you asked me previously on what schematic that second 0.1uf - 0.15uf tuning cap is shown on. There are also other schematics that show it, as well. I'm using the WIMA 1000v 0.1uf, for the C**.
  However, I didn't have good result connecting the two different yoke secondary coils in the way that that diagram is showing them connected to the grenade. Mine are now separate.

   Here's a couple of the scope shots of the SG signal on my scope, while trying to find the best self resonant frequency of the 168 turns grenade output coil.
   First image is of the 168t coil's self resonant frequency, using the sine wave. Tuning for the grenade's output coil to it's best amplitude, that I could obtain from my 2Mhz SG.
  The second image is the square wave, while the scope settings are the same on both wave forms.
   The third image is of the scope settings.
   As this is my first try at testing for the grenade's self resonance, please take that into account.
   Again, any advice and/or tips are welcome.