Joulethief SEC exciter and variants

[xee2]

@ kcarring
Will this start at less than 0.5 volt or do you need to start at higher voltage and then reduce voltage?

[kcarring]

@Xee2, in theory @ .1V. In practice, for me, so far, .2 If I am understanding it correctly, it sort of builds up, itself, through feedback. I have only got it to work with depletion mode j110 but it may work with others, I do not know. Unfortunately, this diagram is all I have, so everything is experimental as to values.

do you find the apparent efficiency of these JT's seems to be better with low voltage input, Xee2? Mine seem to produce better bang for the buck (the Xee2 JT config.'s I mean...) when NOT ran at 12V, rather from 3-6V seems to be best? wondering on what your thoughts on that are / theories.

Nice vids lately, thanks for sharing.

[xee2]

do you find the apparent efficiency of these JT's seems to be better with low voltage input
.

Yes. The circuit you are using seems to peak at about 3 volts. I do not know if that is due to the LEDs or the circuit. The LEDs will max out at some point.

I posted circuit that runs at 0.2 volts using germanium transistor. Thought you might be interested. Joule thief - low voltage - YouTube

[kcarring]

@xee2

Yes, very cool! Good one for the Peltier module, too, definitely! Thanks. one of the things I do like about all of these circuits, is... when it comes to purchasing super/ultracapcitors - it's the voltage that really costs you money... not so much the amps (if you know what I mean). Unlike conventional 12V circuits, at least with these, one or two supercaps can provide for almost a lifetime of free energy light, when solar charged. Cool.

[Slider2732]

Incredible run voltage there.
I noted you said about availability of such an old NPN. One place has them, 30 of them in fact, at $5 each.

2N4077 NPN Bipolar Power Transistor: In Stock Buy Now | West Florida Components

[lms123]

Thank you for sharing ```

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[broli]

Winding a sergdo coil is pretty close to hell on earth. I'm doing the multiple sections and layers thing to prevent arcing, getting all the wires perfectly next to each other is quite a pain in the ass .

[xee2]

@ seth

Wow, your slayer exciter is working great.

In general, the only particle that can leave a metal are electrons. They always try to leave at sharp points and they always go from negative charged surface to positive charged surface. Sparks are caused by electrons hitting air molecules and ionizing them. In Tesla coil the sparks are caused by the electrons leaving the metal and ionizing air. Same for your motor. The Tesla coil is putting out AC. Only creates sparks this way during negative part of cycle. Electrons can also be pulled from air during positive part of cycle and ionize air in the process. So electrons go into and out of Tesla coil depending on which part of AC cycle is happening. They can create sparks going both ways. But it is easier for electrons to leave surface when there is a sharp point.

EDIT: The force moving the motor is the reaction to the mass of the electrons being ejected from the wire points.

[xee2]

Video of Joule thief lighting 120 VAC LED bulb using a toroid >>> Joule thief - 120 VAC LED bulb using toroid - YouTube

[jehdds]

Winding a sergdo coil is pretty close to hell on earth. I'm doing the multiple sections and layers thing to prevent arcing, getting all the wires perfectly next to each other is quite a pain in the ass .

Im winding another large toroid as we speak. 650 winds so far for coil #1. Using 22 ga wire. Try to achieve A state of Zen meditation, Become one with the wind, be wire my friend, be flexible,.....(inspired by Bruce Lee)
AND Drink BOATLOADS OF COFFEE, stay away from other humans and have a large water filled porcelain vortex device REALLY handy
Jim

[SkyWatcher]

Hi folks, thanks for sharing circuit and video xee2.
Yes, that works good with a cfl also using 12 volts, though those led bulbs are a much better route, if one has any, i have not bought any of those yet, though probably because i haven't had a fed note or a wallet for some time now, hehe, be the change you want to see, they are spot on about that.
peace love light

[boguslaw]

Im winding another large toroid as we speak. 650 winds so far for coil #1. Using 22 ga wire. Try to achieve A state of Zen meditation, Become one with the wind, be wire my friend, be flexible,.....(inspired by Bruce Lee)
AND Drink BOATLOADS OF COFFEE, stay away from other humans and have a large water filled porcelain vortex device REALLY handy
Jim

I tend to wind coils always when looking at film on computer, though it has to be not much interesting or winding is taking hours.

[seth]

@ seth

Wow, your slayer exciter is working great.

In general, the only particle that can leave a metal are electrons. They always try to leave at sharp points and they always go from negative charged surface to positive charged surface. Sparks are caused by electrons hitting air molecules and ionizing them. In Tesla coil the sparks are caused by the electrons leaving the metal and ionizing air. Same for your motor. The Tesla coil is putting out AC. Only creates sparks this way during negative part of cycle. Electrons can also be pulled from air during positive part of cycle and ionize air in the process. So electrons go into and out of Tesla coil depending on which part of AC cycle is happening. They can create sparks going both ways. But it is easier for electrons to leave surface when there is a sharp point.

EDIT: The force moving the motor is the reaction to the mass of the electrons being ejected from the wire points.

Cheers Xee for taking the time to explain that. I remember teaching a kid at a school (I'm an English teacher, so everyone here can forgive my lack of physics knowledge ) how to build his own exciter, and we had a chat about which way the energy flowed round the circuit - I told him that with AC it flows backwards and forwards, so Im glad I got something right! His exciter worked anyway, and that was the most important thing. He was a smart kid, and its nice to inspire the young ones with some interesting builds - just like you guys all inspired me in the first place to get this thing going Swings and roundabouts!

Here is my exciter lighting 2 rooms, as Slayer suggested in the comments on my last video. I can get a distance of about 2metres (I measured this by lying on the floor about 20 cm longer than me) between transmitter and receiver, with both of them lighting fluorescents...even the big one will go at this distance. After 2 metres things get a little tricky.

exciter lighting bathroom and bedroom - YouTube

[jake]

High Impedance Joule Theif Help

Need some joule theif / SEC help over @

http://www.energeticforum.com/renewable-energy/10731-crysta-radio-magic.html#post182800

I am in the process of building a Tesla Resonant Transformer, however in the process I was able to light a "A-2226" white Chinese LED dimly by running it in series with a germanium rectifier diode from my receiving coil. No batteries just an antenna and Eric Dollard designed coils no ground needed yet..

I can't get a joule theif to run off of it but it will dimly run the one white LED listed above directly.

I have tried basic 10turn/10turn, 10turn/200turn, with and without caps across the base resistance, and other variations, still need to try a variable capacitor. All this using 2n2222, ~300hfe transistors.

So my question is :

Have you guys ever worked with a power source that could light an LED directly but would fail to operate a joule theif and what JT type circuit would you recommend for this power source?

The goal being lighting 1 or 2 LEDs to fullish brightness, minimum power usage, and high impedance on base and collector to keep the antenna circuit from loading. Not that much to ask for

There are quite a few different modes of operating a JT and I have not kept up to date. I would hate to wind up a 800 turn JT only to find out I was heading in the wrong direction.

Any and all help will be greatly appreciated.

Thanks,

Jake

[Watson]

Yes. The circuit you are using seems to peak at about 3 volts. I do not know if that is due to the LEDs or the circuit. The LEDs will max out at some point.

I posted circuit that runs at 0.2 volts using germanium transistor. Thought you might be interested. Joule thief - low voltage - YouTube

I've built quite a few Ge JTs using the 2N404, which is available on eBay. However when you get below 0.5V, the impedances are not low enough, and the LED current is low, so not much light from the LED.

My best results were with the TN0702, which allowed me to get the LED lit at as low as 0.08V (no, that's not a typo), less than a tenth of a volt. See my blog - skip down to MOSFETs. I disabled comments due to comment spam, but you can leave a comment under any photo, or email my yahoo account, acmefixer.

Thanks for the Xee2vids. I wish they had the comments enabled - sometimes I see something worth a comment.