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Author Topic: Joule Thief  (Read 5066151 times)

Offline the_big_m_in_ok

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Re: Jule Thief
« Reply #15015 on: April 13, 2011, 03:30:38 AM »
... They are actually known as carpenter bees because they drill a perfectly round hole into wood and make a nest there.
Me?  I am taking no chances on one being male or female...if I walk outside and one bounces off of my head, the battle begins.
Bill
I think they're called something like that in Tucson, as well.

As for using a JT for a bug zapper, wouldn't strong current be as important as high voltage?  Or else the JT merely act like a Van De Graaff generator you can touch harmlessly?

For enough current, more input voltage or more coil turns---or both---might be required.

--Lee

Free Energy | searching for free energy and discussing free energy

Re: Jule Thief
« Reply #15015 on: April 13, 2011, 03:30:38 AM »

Offline Pirate88179

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Re: Jule Thief
« Reply #15016 on: April 13, 2011, 08:51:14 AM »
Lee:

I did not make this.  I got it from Harbor Freight for $2.00.  It puts out 1,500 volts from 2 D cell bats.  It fries whatever it hits.  So, it works just fine.

I did not make this but, I have a second one that I took apart and will use in another device.

Bill

Offline the_big_m_in_ok

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Re: Jule Thief
« Reply #15017 on: April 14, 2011, 03:23:10 AM »
Lee:
I did not make this.  I got it from Harbor Freight for $2.00.  It puts out 1,500 volts from 2 D cell bats.  It fries whatever it hits.  So, it works just fine.

I did not make this but, I have a second one that I took apart and will use in another device.
Bill
Good, I believe you.  1,500V with enough current might cook skin about as bad or worse than a Taser.  And Tasers are good for a lot more voltage.

I'll try and look out for burned out CFL's to take apart.  I have no idea what one looks like inside.  Yet.

However, I will say that older CRT TV picture tube output transformers nowadays have the distressing propensity to be soldered in their low voltage connections to a large PC board every time as a subsystem circuit.  Bummer.  Unless the solder is carefully cleaned off, the tranny is fairly useless.  The useful leads are too short at the very least.  This is from personal experience.

--Lee

Free Energy | searching for free energy and discussing free energy

Re: Jule Thief
« Reply #15017 on: April 14, 2011, 03:23:10 AM »
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Offline WayneJT

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Re: Jule Thief
« Reply #15018 on: April 15, 2011, 02:57:07 PM »
Hi Guys
I thought I might share some information with you, I did not realise how many camera circuits there were out there, after dissecting the 8 cameras I got hold of from the generous people from the local photo lab, 6 Kodak all AA, 1 Fuji AAA and 1 unknown as there was no ID on the board, if anyone knows what cam 1 is please let me know, I think it may be my first AA fuji.
What I found interesting was that there seems to be a few different Kodak PCB's all slightly different from the others.

Thank you iWilby for the Kodak mod, I managed to get a 7watt CFL lit last night from your iWilby's Kodak mods pic on page 40 of this thread, yeah I'm way behind you guys, as I am having fun reading and playing around through this very long thread.
Opps my bad...2x Kodak funsaver cams are AAA

Wayne.

Offline Pirate88179

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Re: Jule Thief
« Reply #15019 on: April 16, 2011, 12:05:29 PM »
Wayne:

Wow, quite a collection you have over there.  I think we would have to see the boards, both top and bottom to be able to make any determinations of them.  As you have read, there are several variations just among Fuji's and, now even among AA Fuji's.

There are a lot of smart folks reading this topic and, I think that as you dissect these cameras, take some photos and you might get some good advice.  Me?  I am only familiar with the Fuji AA including 2 different variations.  I still can't seem to get my AAA boards to work at all.

The good news is that you just got a lot of good industrial AA and AAA bats with your find.  In my experience, these industrials are way better than the ones we normally purchase.

Bill

Free Energy | searching for free energy and discussing free energy

Re: Jule Thief
« Reply #15019 on: April 16, 2011, 12:05:29 PM »
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Offline synchro1

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Re: Jule Thief
« Reply #15020 on: April 16, 2011, 07:53:07 PM »
My Honda Insight Hybrid lost it's main battery and  the charging system for the 12 volt. I'd like to try and keep the 12 volt charged while underway, as it's needed to run the ignition system. I wonder what the best Joule thief configuration would be for this job?

I looked at Mopozco's fast charger but he's charging to a same voltage battery. I would like to charge the 12 volt from a smaller voltage run battery if possible. Can anyone help me?   

Offline WayneJT

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Re: Jule Thief
« Reply #15021 on: April 17, 2011, 02:07:50 AM »
Hi All

Here is a pic of the camera circuits, I hope it shows up clear enough to see just how many variations there are with identical looking camera's especially the Kodaks, its no wonder I and probably a few others were getting confused with the camera mods that are posted somewhere on this thread.
The one I would like to have identified is cam 1, that one doesn't have any clear markings stamped on it to identify what it is, the primary transformer isn't like any of the others, this one seems to be laying down and maybe slightly larger, I'm thinking it may be a newer Fuji AA, as I have not seen a picture of this cam posted here. so any help would be appreciated.

Wayne.

Free Energy | searching for free energy and discussing free energy

Re: Jule Thief
« Reply #15021 on: April 17, 2011, 02:07:50 AM »
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Offline WayneJT

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Re: Jule Thief
« Reply #15022 on: April 17, 2011, 02:11:10 AM »
Here is a pic of just the cam of interest.

Offline kooler

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Re: Jule Thief
« Reply #15023 on: April 17, 2011, 04:55:56 AM »
wayne
that looks to be a older kodak.. the reuseable ones..
it should have a inverter transformer..  on it and a npn-pnp pair..
that model also had a 400v - 1 amp scr on it for the trigger coil..
inverter transformers only have 4 pins.. but they still work fairly well if you just use the same transistor setup..
but most i have played with won't lite a cfl on 1.5 volts.. it takes 3 volts or more..
hope that helps..

robbie

Free Energy | searching for free energy and discussing free energy

Re: Jule Thief
« Reply #15023 on: April 17, 2011, 04:55:56 AM »
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Offline WayneJT

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Re: Jule Thief
« Reply #15024 on: April 17, 2011, 05:06:39 AM »
Thank you Kooler, you may be right, the transformer only has 4 pins.
Bummer, I was hoping it was a Fuji AA, One day I may get hold of one and be able to fire up a string on LED's.
Until then I will continue collecting used Cams.


Wayne

Offline kooler

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Re: Jule Thief
« Reply #15025 on: April 17, 2011, 05:22:39 AM »
Thank you Kooler, you may be right, the transformer only has 4 pins.
Bummer, I was hoping it was a Fuji AA, One day I may get hold of one and be able to fire up a string on LED's.
Until then I will continue collecting used Cams.


Wayne

you make the AAA fugi light a cfl.. but you will need to dismount the transformer from the board or you can just rearrange the components you will need a pot were the resistor is on the transistor and if it has a small led on the base.. take it out..
and hook the cfl to neg on batt. then hook to the output of the transformer in front of the diode..
adjust pot till it lites and it should be pulling about 89-105 ma's from your battery..

robbie

Free Energy | searching for free energy and discussing free energy

Re: Jule Thief
« Reply #15025 on: April 17, 2011, 05:22:39 AM »
3D Solar Panels

Offline xee2

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high power Joule thief
« Reply #15026 on: April 17, 2011, 08:55:55 AM »
High power Joule thief lights neons and filament bulbs.
video >>> http://www.youtube.com/watch?v=_CZTO33Of7o


Offline sergdo

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Re: Jule Thief
« Reply #15027 on: April 17, 2011, 04:44:00 PM »
That made under the scheme which is your forum has been taken, a small toy (a very good toy works) on the bifilar coil.
But I do not iron nraivtsya, I want to peredlat iron core.
Video and circuit inside the video - for povtoroeniya experiment, can someone be interested.
PS
hlchu also now having the oscillator spark economic examine the effect Hatchinkinsa

With respect to the readers and writers Sergei Dobrozhansky
sergeij.dobrojanskij @ gmail.com


http://www.youtube.com/watch?v=1bVxfctSy1s
http://www.youtube.com/watch?v=e_AZLsyV4vg
http://www.youtube.com/watch?v=-8u0HDsVMZI
http://www.youtube.com/watch?v=iwl_sYtQ_qM

Offline xee2

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Re: Jule Thief
« Reply #15028 on: April 17, 2011, 06:10:58 PM »
@ sergdo

Very nice toy. Excellent results from two AA batteries. Look at:
http://www.energeticforum.com/renewable-energy/4999-joulethief-sec-exciter-variants.html


Offline resonanceman

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Re: Jule Thief
« Reply #15029 on: April 18, 2011, 02:06:13 AM »
That made under the scheme which is your forum has been taken, a small toy (a very good toy works) on the bifilar coil.
But I do not iron nraivtsya, I want to peredlat iron core.
Video and circuit inside the video - for povtoroeniya experiment, can someone be interested.
PS
hlchu also now having the oscillator spark economic examine the effect Hatchinkinsa

With respect to the readers and writers Sergei Dobrozhansky
sergeij.dobrojanskij @ gmail.com


http://www.youtube.com/watch?v=1bVxfctSy1s
http://www.youtube.com/watch?v=e_AZLsyV4vg
http://www.youtube.com/watch?v=-8u0HDsVMZI
http://www.youtube.com/watch?v=iwl_sYtQ_qM

sergdo

'Great work on the JT Tesla coils.
I had thought that something like that was possible but have not got far enough to make one,

In the third video at first I thought that your Tesla coil primary was a CFL tube ..... now I am wondering if a CFL could  work as a primary coil and spark gap at the same time.

gary


 

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