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Author Topic: Akula eternal lantern 4  (Read 191298 times)

Offline Void

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Re: Akula eternal lantern 4
« Reply #90 on: August 03, 2014, 08:59:55 PM »
I think I have now figured out how to get those slow exponentially rising scope waveforms
that Akula was showing on his Collector. I am using a FET, but it seems to me that my
waveform on the Drain of my driver FET is now pretty close to what Akula was showing.
What do you think guys?

I am pulsing the coil with 3VDC.

All the best...


P.S. I made a typo in the original file attachment name. I originally wrote exponential rise on 'Gate', but the
waveform is actually showing the exponential rise on the Drain of my FET. I have corrected the attached filename now...


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Re: Akula eternal lantern 4
« Reply #90 on: August 03, 2014, 08:59:55 PM »

Offline d3x0r

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Re: Akula eternal lantern 4
« Reply #91 on: August 03, 2014, 09:13:33 PM »
at 9:06 he adjusts the frequency up; approaches 500hz (2ms) ... looks like 425




Offline d3x0r

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Re: Akula eternal lantern 4
« Reply #92 on: August 03, 2014, 09:16:55 PM »
I think I have now figured out how to get those slow exponentially rising scope waveforms
that Akula was showing on his Collector. I am using a FET, but it seems to me that my
waveform on the Drain of my driver FET is now pretty close to what Akula was showing.
What do you think guys?

I am pulsing the coil with 3VDC.

All the best...


P.S. I made a typo in the original file attachment name. I originally wrote exponential rise on 'Gate', but the
waveform is actually showing the exponential rise on the Drain of my FET. I have corrected the attached filename now...
Yes I agree that looks similar.
what's the trick?

Free Energy | searching for free energy and discussing free energy

Re: Akula eternal lantern 4
« Reply #92 on: August 03, 2014, 09:16:55 PM »
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Offline Void

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Re: Akula eternal lantern 4
« Reply #93 on: August 03, 2014, 09:18:00 PM »
Agreed, the HD video rendering from post #2 confirms this,  250Hz:

Regards itsu

Thanks for confirming Itsu.

Offline d3x0r

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Re: Akula eternal lantern 4
« Reply #94 on: August 03, 2014, 09:35:37 PM »
I don't understand what happens here
http://youtu.be/DnuXqnTlJNM?t=9m25s
It doesn't appear to be a cut... he in increasing the voltage from 2.0V to 5.0V, and seems to click again to get 5.0V and then 10.0V but between the 5.0 and 5.0, the curve flattens out.  the negative basically totally disappears, and it becomes flat on the top... and then at 10:00 he's expanding the time, and there's no significant low dip...  and then by 10:15 he increases the voltage sensitivity again and the curve returns.... scope internal capacitance change?

Free Energy | searching for free energy and discussing free energy

Re: Akula eternal lantern 4
« Reply #94 on: August 03, 2014, 09:35:37 PM »
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Offline itsu

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Re: Akula eternal lantern 4
« Reply #95 on: August 03, 2014, 09:51:22 PM »
I am uploading a video now showing what the below screenshot shows, a stable peak in the collector signal during the active period of the transistor.
When pushing on the core halfs, this peak moves to the right.

Any idea what this could be?

60us = 16.6Khz

3V input in the circuit
250Hz DC pulse, amplitude 2V, duty cycle 0.4 - 4%
yellow = base signal
blue   = collector signal

Video here:  https://www.youtube.com/watch?v=XJMx_BsUnms&feature=youtu.be 


Regards Itsu

Offline itsu

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Re: Akula eternal lantern 4
« Reply #96 on: August 03, 2014, 10:04:41 PM »

Here the same situation, now added the FG signal (purple) and the input current (green)
Current probe controller set to 200ma/div.

Regards itsu

Free Energy | searching for free energy and discussing free energy

Re: Akula eternal lantern 4
« Reply #96 on: August 03, 2014, 10:04:41 PM »
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Offline Void

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Re: Akula eternal lantern 4
« Reply #97 on: August 03, 2014, 10:12:42 PM »
I am uploading a video now showing what the below screenshot shows, a stable peak in the collector signal during the active period of the transistor.
When pushing on the core halfs, this peak moves to the right.

That extra pulse when the base is still being pulsed does seem strange.
Off hand I can't think what would cause that extra pulse. Definitely interesting...

I have to run out to get a bunch of stuff done, but I will review what you guys are doing
in more detail later when I am back. d3x0r, I will check out that portion of the video
you mentioned later as well. Gotta run now...

Offline d3x0r

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Re: Akula eternal lantern 4
« Reply #98 on: August 03, 2014, 11:52:28 PM »
I am uploading a video now showing what the below screenshot shows, a stable peak in the collector signal during the active period of the transistor.
When pushing on the core halfs, this peak moves to the right.

Any idea what this could be?

60us = 16.6Khz

3V input in the circuit
250Hz DC pulse, amplitude 2V, duty cycle 0.4 - 4%
yellow = base signal
blue   = collector signal

Video here:  https://www.youtube.com/watch?v=XJMx_BsUnms&feature=youtu.be 


Regards Itsu
Your core is bigger; longer flux path and I think maybe thicker (larger flux volume)
it (should/probably/couldbe) a saturation of the core... remembering back it's the joule thief/kacher circuits I was playing with that seemed to lead the base falloff... such that once the core saturates, it seems to avalanche all the flux back out... others have strong opinions this isn't the cause/effect of a joule theif... and since I've seen lots of operating modes... but I digress...
so a wider gap should shorten the time to the spike ( can you pull on the halves to separate them a little more?)
The melnichenko cores had a very wide gap (a range in millimeters).
the translation said the time was highly dependent on the core.


---
I really like to see that the base didn't dip :) goes to reinforce that it's not the base/gate triggering the action.

Free Energy | searching for free energy and discussing free energy

Re: Akula eternal lantern 4
« Reply #98 on: August 03, 2014, 11:52:28 PM »
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Offline TinselKoala

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Re: Akula eternal lantern 4
« Reply #99 on: August 03, 2014, 11:58:54 PM »
I have not fully analyzed the situation, but I do recall that some persistent OU claims of LTseung had to do with just such a negative excursion in some measurements he made on his Atten scope and that was apparently duplicated on some other Atten scopes. This was finally tracked down to an unadjustable DC offset error in the scopes themselves, that showed up on the most sensitive attenuation settings.
I'm not saying that this is the problem here, but it could very well be, and you folks who are using Atten scopes (and all scopes for that matter) should carefully check your displays for inaccurate voltage levels and polarities at very sensitive settings and small voltage values.

Offline TinselKoala

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Re: Akula eternal lantern 4
« Reply #100 on: August 04, 2014, 12:01:17 AM »
@Itsu: the ringing on the end of your Drain trace is at the natural resonant frequency of your setup, probably. I'd like to see what happens if your drive frequency is the same as this ringing and your pulse duration shorter than 1/2 cycle of that frequency.

The change in frequency as the core is squeezed or relaxed is due to the changing in the effective inductance of the core, which of course changes the resonant frequency or frequencies that depend on it. I demonstrated this several times in my Akula videos.The gap is there in the core to prevent saturation at high power levels; it is possible that some of the effects you are seeing are a result of "tickling" the core on the edge of full saturation.

Free Energy | searching for free energy and discussing free energy

Re: Akula eternal lantern 4
« Reply #100 on: August 04, 2014, 12:01:17 AM »
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Offline d3x0r

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Re: Akula eternal lantern 4
« Reply #101 on: August 04, 2014, 12:30:22 AM »
@TK scope issues; makes sense.
But; it's not the after-the off ringing of interest... it's the arbitrary spike in the middle.

Offline hartiberlin

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Re: Akula eternal lantern 4
« Reply #102 on: August 04, 2014, 05:03:33 AM »
Yes, the spike in ths middle is really strange...
Maybe it is a delayed Barkhause jump effect by flipping the domains
inside the core ?

What kind of core is this ? What material ?

Istu, if you remove the core from the primary coil does this pulse still occur ?
Probably not, then it is core dependend !

Try to see, how you can increase the area below this pulse.
Does a bigger core help ?
It is probably related to the ON switching of the base pulse, so it takes around 60 mikrosecs to flip all the domains
inside the core and produce this pulse...

Offline hartiberlin

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Re: Akula eternal lantern 4
« Reply #103 on: August 04, 2014, 05:32:32 AM »
Itsu,
Why does the yellow gate signal have these spikes at minute 3:50 when the signal is so short in length ?
Is your MOSFET defective then ? Where is the exact circuit diagram ?

Offline Void

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Re: Akula eternal lantern 4
« Reply #104 on: August 04, 2014, 06:01:50 AM »
Itsu,
Why does the yellow gate signal have these spikes at minute 3:50 when the signal is so short in length ?
Is your MOSFET defective then ? Where is the exact circuit diagram ?

Akula was getting the exact same strange pulses on the collector and base.
It looks like these pulses may be what Akula is calling 'ferromagnetic resonance'.
See the attached screen capture from Akula's video. The same sort of strange pulses on the
base and collector that showed up in Itsu's video are in Akula's scope shots as well...

I just rewatched the English translation of Akula's video.
It seems those strange pulses are what Akula is saying are indicating 'ferromagnetic resonance'.
However it seems he says those liittle pulses on the collector by themselves do not give much power (the pulses are quite narrow, so that seems to make sense).
He then makes an adjustment to the pulse width and then gets the big exponentially rising pulses on the collector,
which it seems is where he is getting his extra energy to make the circuit self running.
All the best...




 

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