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Author Topic: 3v OU Flashlight  (Read 563421 times)

TinselKoala

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Re: 3v OU Flashlight
« Reply #360 on: April 30, 2014, 08:02:14 PM »
I not shore is here feroresonance. Here is other circuit. To find ferorerosonance use one turn on primary and one turn on secondary, on secondary put 10 omh resistor and oscilioscope. And put into primary from range 800-2000 kiloherc frenquency of 5 volts and were you get maximum amplitude on that resistor, here and is ferroresonance. Seems i write coresct. Akula say about one turn... but other part of his words I now not remember. Need relisten conference....
Or you can use other numbers of turns, if you get same frenquency of fading out vibration, then here can be ferroresonance...

This is one of the standard ways of determining resonance in a coil/core. What part is the "ferro" part and what part is just ordinary electrical LCR resonance?

Please do re-listen to conference and let us know what you can get from it. I am finding your comments very helpful, actually, even if you are sometimes wrong!

 ::)


TinselKoala

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Re: 3v OU Flashlight
« Reply #361 on: April 30, 2014, 08:05:10 PM »
By the way... current draw is 110 mA at 3.0 V and when I pull the power it takes the LEDs about 4 seconds to fade out completely.




I am afraid to say that I have Joule Thiefs that do much better than that and use a lot fewer components.

 :-\
 :'(










 :-* :-* :-* :-*



conico

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Re: 3v OU Flashlight
« Reply #362 on: April 30, 2014, 08:16:09 PM »
Questions!
sorry!

T-1000

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Re: 3v OU Flashlight
« Reply #363 on: April 30, 2014, 08:19:30 PM »
By the way... current draw is 110 mA at 3.0 V and when I pull the power it takes the LEDs about 4 seconds to fade out completely.
I am afraid to say that I have Joule Thiefs that do much better than that and use a lot fewer components.

110mA at 3V is way too much. All you need is to generate spikes on driving transistor and shut it off as soon as LEDs get lit then wait until capacitor gets discharged and LEDs are in off state again before next pulse train...

Also for resonance - the effect is same as per Lithuanian experiment just on much smaller scale which is not harmful to health. So you need to reach NMR conditions of black hard ferrite (won't work on greyish soft) to have additional energy input there;)

tysb3

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Re: 3v OU Flashlight
« Reply #364 on: April 30, 2014, 08:30:11 PM »
@ Tk
"I am afraid to say that I have Joule Thiefs that do much better than that and use a lot fewer components."

 

yes, you opened the toilets doors in the bank. there is no money.
 

magpwr

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Re: 3v OU Flashlight
« Reply #365 on: April 30, 2014, 08:38:24 PM »
@ Tk
"I am afraid to say that I have Joule Thiefs that do much better than that and use a lot fewer components."

 

yes, you opened the toilets doors in the bank. there is no money.

hi,

Thanks for your useless comment which serve no valuable purpose in this forum at all. :P

T-1000

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Re: 3v OU Flashlight
« Reply #366 on: April 30, 2014, 08:42:20 PM »
Until akula thread will be fixed I will just leave my reply to this thread:

@wattsup
.
wattsup:
"@T-1000 just posted that the resonance has to reach the cores resonance (simply put) to have some "nuclear" effect. But how the hell do you except to achieve anything of that level if your circuit is locked at 300KHz. Something is wrong with the values."

T-1000:
"In this case the LC resonance frequency must match ferrite natural resonance frequency or its harmonics."

for example: if you have yours transformers ferrite resonance 2.23 Mhz, you could reach the core resonance excitation with coils resonance on 22.3 Khz or 223 Khz

The best hit is on 1/2 1/4 and 1/8 of material resonant frequency. If you are going to build it and have proper ferrite core - you will see... :)

magpwr

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Re: 3v OU Flashlight
« Reply #367 on: April 30, 2014, 08:44:40 PM »
By the way... current draw is 110 mA at 3.0 V and when I pull the power it takes the LEDs about 4 seconds to fade out completely.




I am afraid to say that I have Joule Thiefs that do much better than that and use a lot fewer components.

 :-\
 :'(










 :-* :-* :-* :-*

hi,

What about adding 100nf capacitor in parallel with 100uf capacitor to smooth the ripples in the sine wave.
1n5819 may not able to handle 80volt...90volt spikes since it's design up to 40volts.
maybe UF4004 would fare better.
--------------------------
I wonder if the insulating mica sheet would convert radiation into electrical pulses which produce ou."Just theory"

tysb3

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Re: 3v OU Flashlight
« Reply #368 on: April 30, 2014, 09:00:44 PM »
Until akula thread will be fixed I will just leave my reply to this thread:

The best hit is on 1/2 1/4 and 1/8 of material resonant frequency. If you are going to build it and have proper ferrite core - you will see... :)

yes,   I'm not right in details, but I understand how it works.

MenofFather

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Re: 3v OU Flashlight
« Reply #369 on: April 30, 2014, 09:07:23 PM »
This is one of the standard ways of determining resonance in a coil/core. What part is the "ferro" part and what part is just ordinary electrical LCR resonance?


 ::)
I also think, that akula can use LC resonance but he can think, that it is feroresonance. But if he not make mistake, then if you change number of turns on secondary coil and primary, you must find same frenquency were amplitude rise. That frenquency is feroresonance.  :D

TinselKoala

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Re: 3v OU Flashlight
« Reply #370 on: April 30, 2014, 09:11:57 PM »
hi,

What about adding 100nf capacitor in parallel with 100uf capacitor to smooth the ripples in the sine wave.
1n5819 may not able to handle 80volt...90volt spikes since it's design up to 40volts.
maybe UF4004 would fare better.
--------------------------
I wonder if the insulating mica sheet would convert radiation into electrical pulses which produce ou."Just theory"


There are no 80-90 volt spikes. Akula's scopeshot is showing you the result of having your scope and probe attenuations misset.
He is using 1x atten on the probe and has the scope thinking it's at 10x. The actual vertical resolution on Akula's screenshot is 5v/div, not 50v/div and his cited 80 v p-p is actually only around 8 v p-p... just like mine.

ETA: I just tried a couple different 100 nF caps, one poly film and one ceramic, across the 100 uF capacitor. No effect that I can detect.



MenofFather

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Re: 3v OU Flashlight
« Reply #371 on: April 30, 2014, 09:12:07 PM »
If speake about 3v OU Flashlight, then that is capasitor, 510 nanofarads or 510 picofards?

TinselKoala

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Re: 3v OU Flashlight
« Reply #372 on: April 30, 2014, 09:18:37 PM »
So let me get this straight. I am using Akula's circuit with only two substitutions: A TIP3055 that switches, instead of a mosfet that doesn't switch, and a 100R resistor in series with the two LEDs on the cathode end to ground.
I've corrected the seeming errors in the inductances stated on the original schematic and I've found that the inductances were likely reversed in the original schematic somehow. After much effort tuning and fiddling and substituting, winding several different coils and exploring the problem space nearly full time over the last three or four days... and I have actually reproduced, as far as I can tell, the exact waveforms that Akula is exhibiting. Frequency, amplitude, envelope, harmonics, noise... it is all there. I am less than 5 percent off in any direction.

Yet many of you are telling me I need some other ferrite material.  Even though I have the exact same waveforms.

PLEASE EXPLAIN in actual terms that have meaning, with references to checkable credible sources, how this can possibly be.

It certainly seems to me that if I had different material that resonated at a different frequency I would not have these waveforms using these component values. Anyone care to challenge this, perhaps with _a demonstration of your own_?



TinselKoala

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Re: 3v OU Flashlight
« Reply #373 on: April 30, 2014, 09:30:05 PM »
If speake about 3v OU Flashlight, then that is capasitor, 510 nanofarads or 510 picofards?
I have 510 picoFarads.

Current schematic:


lost_bro

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Re: 3v OU Flashlight
« Reply #374 on: April 30, 2014, 09:41:42 PM »
This is one of the standard ways of determining resonance in a coil/core. What part is the "ferro" part and what part is just ordinary electrical LCR resonance?


 ::)

Good afternoon TK.

Hope this is helpful,,,, lots of info.....

take care, peace
lost_bro