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Author Topic: Akula eternal lantern 4  (Read 276841 times)

Dave45

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Re: Akula eternal lantern 4
« Reply #15 on: June 03, 2014, 01:39:49 PM »
I cannot tell for how long Akula's devices managed to run. However, I ran my circuit for a week before manually switching it off.
I have not, however, tried it with a few LEDs attached which may result in a short run time, primarily because I am not interested in creating yet another lantern. I will show a high output device when it is ready.

Anyway, the effect is real and can be harnessed. Akula is not entirely correct in his explanations regarding the nature of the phenomenon, but it exists and can be applied easily.

Have a look:
http://youtu.be/vgYLVyswgeQ

~A
Was that with the FG's running the gate.

Arman

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Re: Akula eternal lantern 4
« Reply #16 on: June 03, 2014, 04:01:55 PM »
I cannot tell for how long Akula's devices managed to run. However, I ran my circuit for a week before manually switching it off.
I have not, however, tried it with a few LEDs attached which may result in a short run time, primarily because I am not interested in creating yet another lantern. I will show a high output device when it is ready.

Anyway, the effect is real and can be harnessed. Akula is not entirely correct in his explanations regarding the nature of the phenomenon, but it exists and can be applied easily.

Have a look:
http://youtu.be/vgYLVyswgeQ

~A
Very impressive. Can you please share more details of your setup, like the ferrite core, number of turns and connection diagram. Best regards

avalon

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Re: Akula eternal lantern 4
« Reply #17 on: June 03, 2014, 04:10:48 PM »
Was that with the FG's running the gate.
Actually, no. I used a simple MAX931-based circuit for that. I did not use it in the video as it would create more questions. Gens are way more visual.
I am also experimenting with TS3002 but have not used it in a self-runner yet.

Far more important was the choice of diods. I used FSF05A60 in my setup.

~A

pavqw

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Re: Akula eternal lantern 4
« Reply #18 on: June 03, 2014, 07:45:50 PM »
Hello!

I am trying to replicate LaserSabre device and it really works, but I have to tune it, since my version can power LED for cca 3 seconds only.
My setup is EI ferrite core with 2 coils of copper wire (100P and 80S turns), NPN transistor KF506 (very old, but I found just this at home), some kind of classic diode (actually works longer without it) and capacitor 10V 2200uF.
It seems as turn count is crucial (more is better?), of course ratio too.
I have tried some MOSFET transitor too, but it seems it is not as good at least with this one.

Its running from 2S lipo (8.4V) when fully charged. I dont know if it is enough :(

MenofFather

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Re: Akula eternal lantern 4
« Reply #19 on: June 03, 2014, 08:05:39 PM »
I seems get almost exatly osciliograme like akula. I use for generator TL494 with ajustable duty cycle and frenquency. So seems circuit is realitivi is extreamly simple. I use frenquency about 20-50 herc. But I try with other number of turns of primary and secondary make selfrunning and not get selfrunning. And I use fet transistor (IRF610 with two small bipolar transistors for fast open and close), not bipolar like Akula. I also use core from flayback.  Good lock for all in experiments!

hartiberlin

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Re: Akula eternal lantern 4
« Reply #20 on: June 03, 2014, 09:29:45 PM »
I cannot tell for how long Akula's devices managed to run. However, I ran my circuit for a week before manually switching it off.
I have not, however, tried it with a few LEDs attached which may result in a short run time, primarily because I am not interested in creating yet another lantern. I will show a high output device when it is ready.

Anyway, the effect is real and can be harnessed. Akula is not entirely correct in his explanations regarding the nature of the phenomenon, but it exists and can be applied easily.

Have a look:
http://youtu.be/vgYLVyswgeQ

~A


Well done ! How did it oscillate on, when you removed the gate driver pulses from your function generator and also removed the power supply ? Or did you feed it still
with the drive pulses from the function generator at the end and only removed the power supply ? How big is your electrolytic cap ?
Regards, Stefan.

hartiberlin

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Re: Akula eternal lantern 4
« Reply #21 on: June 03, 2014, 09:31:08 PM »
I attached the circuit diagrams and the link to the HD youtube video now to the
first posting of this thread , so it is easier to find it all..

Regards, Stefan.

avalon

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Re: Akula eternal lantern 4
« Reply #22 on: June 03, 2014, 10:30:08 PM »

Well done ! How did it oscillate on, when you removed the gate driver pulses from your function generator and also removed the power supply ? Or did you feed it still
with the drive pulses from the function generator at the end and only removed the power supply ? How big is your electrolytic cap ?
Regards, Stefan.
Once I tuned and knew the frequencies I made a MAX931-based gen to drive the circuit. The cap is 2200uF/63V.
~A

corry

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Re: Akula eternal lantern 4
« Reply #23 on: June 04, 2014, 04:16:40 PM »
... I ran my circuit for a week before manually switching it off...

Hi Avalon,

diagram of your setup ?

Thanks

d3x0r

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Re: Akula eternal lantern 4
« Reply #24 on: June 05, 2014, 05:24:39 PM »
https://archive.org/details/fonar4 this seems not play
https://archive.org/download/fonar4/fonar4.mp4 open with VLC player.
 :)
That can I write about this lantern? Here is one frenquency. Frenquency is about 250 herc of wery short pulses. One pulse duration about 10-20 microseconds. Here is two coils one primary, other secondary (turns how much each coil I don't know), from secondary going througt one diode seems to capasitor (capasitor is not less than 50 volts) from that working this divice. Is also and 3 coil who in now in this video not used (in future Akula plan use it to stabilise this lantern and it better work, but NOW here is fixed frenquency and sometimes it can stop working, why? Akula exatly don't know).
And first he start from 9 V battery from lower frenquency, because with higher frenquency lantern not start and after start he can make higher frenquency to get more power from lantern (LED's brighter shine).
 :D

Admin added:
Here is the new Lantern circuit number 4 in HD rendering I just made.

http://youtu.be/DnuXqnTlJNM

Here are the 2 different circuit diagrams attached.


I saw your schematic with extra stuff removed. ... L2 is connected backwards (38 winding) and the LEDs are backwards, they are driven from negative potential to ground

MenofFather

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Re: Akula eternal lantern 4
« Reply #25 on: June 05, 2014, 06:00:34 PM »

I saw your schematic with extra stuff removed. ... L2 is connected backwards (38 winding) and the LEDs are backwards, they are driven from negative potential to ground
If i good understand, L2 conected not in backwards, two coils wound in same direction. LEDs is feeded from back EMF. C28 capasitor can be leaved. :)

d3x0r

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Re: Akula eternal lantern 4
« Reply #26 on: June 05, 2014, 10:29:21 PM »
If i good understand, L2 conected not in backwards, two coils wound in same direction. LEDs is feeded from back EMF. C28 capasitor can be leaved. :)
I see; I thought the diode symbol was so if currnt ran backwards (against the arrow) then it lit up...

Fasltad sim

Hmmm... reversing the coil still sort of works; you sure it's the back emf and not the forward emf that's supposed to be used?



I mean for the ground-deform to happen to erly switch the transistor, the first action of L2 must be to conduct away from the emitter... and therefore into the LEDs which is backwards for what you have by common notations.

d3x0r

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Re: Akula eternal lantern 4
« Reply #27 on: June 06, 2014, 03:31:07 AM »
Extended simulation, carried on using BEMF... it breaks the sim and I cannot identify why; or how to fix the error.


T0 is 0 of reset,
T1 is all power/ground switches closed, drive switch open
T2 is opening all power/ground switches and let it settle; small capacitances balance
T3 is with SW1 closed, building current (yellow traces)  in the primary coils
T4 is well, really just the very last instant... the voltage of the low rail goes to positive, there's no KA that transpire to actually fill the low side cap to that voltage..  the low rail should still be grey, but it is 8.7V which is higher than the input voltage...


I guess you can add capacitance to a gate to get the double pulsing after turnon also... which is the variable cap... I keep blaming inductance because that's what my situation was


when the simulation time is really really low ( it takes a long long time to charge the caps, so there's extra power/ground switches to fill to initial condition faster....


The sim... Edit: fixed initial state of export

avalon

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Re: Akula eternal lantern 4
« Reply #28 on: June 06, 2014, 06:40:19 AM »
Hi Avalon,

diagram of your setup ?

Thanks
Look it up in 3V OU flashlight thread

~A

MenofFather

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Re: Akula eternal lantern 4
« Reply #29 on: June 06, 2014, 08:53:05 AM »
I see; I thought the diode symbol was so if currnt ran backwards (against the arrow) then it lit up...

Fasltad sim

Hmmm... reversing the coil still sort of works; you sure it's the back emf and not the forward emf that's supposed to be used?



I mean for the ground-deform to happen to erly switch the transistor, the first action of L2 must be to conduct away from the emitter... and therefore into the LEDs which is backwards for what you have by common notations.
I now have problem wiev schematic, but I shore, that LEDs is feeded from back EMF. And self running is feeded from normal transformation.
Here acording to T1000 citation LED is feeded from Back EMF

"The idea behind is - after first pulse you let BEMF to reach maximum and hit with current from transistor again on its peak time so the magnetic domains when coming back wil be supported by current and voltage from BEMF WILL ADD with current from transistor so C28 cap will charge from much higher voltage on positive half-cycle. The LEDs are powered from BEMF."
http://www.overunityresearch.com/index.php?topic=2358.msg39158#msg39158
Only important part can be, that capasitors must be 50 or more volts that 1000 uF. ;)