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Renewable Energy Discussion on various alternative energy, renewable energy, & free energy technologies. Also any discussion about the environment, global warming, and other related topics are welcome here.

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  #841  
Old 06-23-2010, 08:22 PM
jeanna jeanna is offline
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Quote:
Originally Posted by teslaproject View Post
Winn

Jeanna might have a better handy hint but I find that nothing beats just throwing a few winds of transformer wire on it (the toroid) to test the permeability. The better the perm, the fewer the turns it should take to reach resonance.

...
(for instance, the little dark grey ones in cfl that need to boost power are usually hi perm....
That is a good suggestion TP.
----
Winn, I do not usually get parts from taking things apart. (my scientific bent makes me get items that can be found again and with some way to know what I have.
but that is my thing.)
The tiny orange toroid that came from the 10w cfl is a winner and I bet the tiny dark green ones from the 20w are too.


jeanna
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  #842  
Old 06-24-2010, 01:26 AM
winn1971 winn1971 is offline
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thanks TP & jeanna. will head off to do ur suggestions. it's exploration time...
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  #843  
Old 07-10-2010, 11:32 PM
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Hi Jeanna & All.
That's a good ideal is there any way to use a low cost solar panel with your setup ?It would work very well in some of the sunnier countries around the world.where they cant easily find or afford the batteries.Just a few humble thought's Tec
PS I Am looking forward to seeing the picture's when you get the chance. Thank's.Tec
How bout sticking two rods in the ground - constant free power

Earth Battery SG

FrznWtr
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  #844  
Old 09-05-2010, 07:26 PM
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Simple CFL Joule Thief

Hi all...

I'm new here and I've spent the past couple of weeks perusing this forum and youtube trying to understand how to make a CFL light up on one AA battery.

So I spent about three days winding a 1450 turn coil and building a tiny circuit that would do it.

After a bit of hair-pulling I finally managed it. I'v attach a schematic of what I built. My workbench is a mess and I've a terrible camera so no youtube vid right now.

Wanted to thank Slayer007, Lidmotor, Jeanna and a number of others for their research. You guys make some amazing stuff!

Take Care,
Anonymussle

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  #845  
Old 09-05-2010, 10:25 PM
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Simple CFL Joule Thief - YouTube

Hi folks...

I made a quick video so you can see the results.

YouTube - anonymussle's Channel: Simple CFL Joule Thief

Take Care,
Anonymussle
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  #846  
Old 09-06-2010, 12:59 AM
xee2 xee2 is offline
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Originally Posted by anonymussle View Post
I made a quick video so you can see the results.
Thanks for sharing your results. I did some tests a while ago that indicated that after 100 to 200 turns, the extra turns on the C coil do not increase performance very much. However, this could depend on the toroid material.
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  #847  
Old 09-06-2010, 03:54 AM
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Originally Posted by xee2 View Post
Thanks for sharing your results. I did some tests a while ago that indicated that after 100 to 200 turns, the extra turns on the C coil do not increase performance very much. However, this could depend on the toroid material.
Well, I did an exact same coil with some 200+ turns on the secondary and could not get the CFL to light. So I figured "heck with it" and wound the bigger one. I'm pretty happy with the results (not to mention getting a pretty hefty shock from the coil).

I don't think I'll be doing anymore with this circuit. I built a simple SEC and managed to light three CFLs on three AA batteries. I think I'll be moving on to the SEC now.

AM
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  #848  
Old 09-24-2010, 03:01 AM
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Hi folks, i think this thread has some very good information within it, so I thought I'd ask a question here. I picked up a few various ferrite toroids and I was wondering what jeanna or lidmotor or anyone else used to cover the toroids to protect the magnet wire. As shown in my pic, i used masking tape since it's fairly thin. Reason i ask is, because i unwound a small toroid yesterday and found that the insulation was scraped off at every point where the wire made the sharp turns on the toroid. I plan to use a 30 gauge secondary on the one shown with masking tape and try something with those larger bead type cores, going to try and light a fluorescent, though might not happen with such small cores. Anyway, thanks for all the experiments you've shared jeanna and lidmotor and all the others.
peace love light
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  #849  
Old 09-24-2010, 03:04 PM
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Originally Posted by SkyWatcher View Post
I picked up a few various ferrite toroids and I was wondering what jeanna or lidmotor or anyone else used to cover the toroids to protect the magnet wire.
[/URL]
I spray mine with clear plastic.
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  #850  
Old 09-25-2010, 09:54 AM
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Hi xee2, thanks for the information, i assume thats something like shellac maybe. Anyway, the masking tape seems to working ok on this 1" dia. toroid. Here is a pic of it with the first secondary layer of 30 gauge at around 120 turns so far. Not sure how many turns it will take to light a fluoro if at all, will see.
peace love light
Tyson


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  #851  
Old 10-28-2010, 03:12 PM
pentiger pentiger is offline
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Hello I am new here, and just recently I discovered the joule thief circuit.
I tried to duplicate it from this video

YouTube - Make a Joule Thief

I had no luck thou. The voltage measured on the collector/emitter is exactly the same as the input voltage.

Does anyone have any idea what could be wrong.

transistor 2n3904
1k resistor
torrid from a cfl lamp
telephone wire 10 turns
input voltage 2.4 v from two AAA batteries.

Thanks in advance.
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  #852  
Old 10-28-2010, 07:30 PM
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Sometime less is better : )

Quote:
Originally Posted by pentiger View Post
Hello I am new here, and just recently I discovered the joule thief circuit.
I tried to duplicate it from this video

YouTube - Make a Joule Thief

I had no luck thou. The voltage measured on the collector/emitter is exactly the same as the input voltage.

Does anyone have any idea what could be wrong.

transistor 2n3904
1k resistor
torrid from a cfl lamp
telephone wire 10 turns
input voltage 2.4 v from two AAA batteries.

Thanks in advance.
Hi PenTiger. And
You may have to many turns on your coil,Try about half or less and see.Also you should only need one AA battery for this to work.Don't Give up !I have included Two picture's one to show almost any coil will work the one I used is out of a 70's or 80's am/FM radio the coil inside is wound like a JT with three leg's.I also included a warning about led's Harming your eye's I keep it on my PC has a screen saver to remind me. Just remember Don't give up. Tec
Attached Images
File Type: jpg MVC-327F.JPG (62.7 KB, 59 views)
File Type: gif LED-eye_safety.gif (4.3 KB, 69 views)
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  #853  
Old 10-28-2010, 08:27 PM
pentiger pentiger is offline
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Thank you Tectalabyss,

I did try different number of turns, and still the same result.
I will try again in the evening. Maybe I connect the transistor wrong.

By the way, I read trough the forum and found many diagrams for the JT but I am not sure which will be the best to run a CFL light.

I don't have any light on my backyard and I would like to put something bright on the table or hang above to illuminate the seating area for couple hours straight.

Thanks.
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  #854  
Old 10-28-2010, 08:38 PM
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Oh a cfl light

Quote:
Originally Posted by pentiger View Post
Thank you Tectalabyss,

I did try different number of turns, and still the same result.
I will try again in the evening. Maybe I connect the transistor wrong.

By the way, I read trough the forum and found many diagrams for the JT but I am not sure which will be the best to run a CFL light.

I don't have any light on my backyard and I would like to put something bright on the table or hang above to illuminate the seating area for couple hours straight.

Thanks.
Hi Pentiger.
If It's a cfl you are trying to run than you will need a secondary winding. This will give you enough volts to run the cfl.Has for myself I've never tried this project.but others here have, Slayer/Lidmotor/& Others. Sorry I cant be of any more help in this matter. Tec
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  #855  
Old 10-28-2010, 08:46 PM
pentiger pentiger is offline
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Thanks Tec,

I will have to try again but still don't get how it can work



When you look at the image + is in both cases the same except that it runs trough a longer wire.

That's why I get the same voltage both from the battery direct and trough the coil.

pentiger
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  #856  
Old 10-28-2010, 09:14 PM
slayer007 slayer007 is offline
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Quote:
Originally Posted by pentiger View Post
Hello I am new here, and just recently I discovered the joule thief circuit.
I tried to duplicate it from this video

YouTube - Make a Joule Thief

I had no luck thou. The voltage measured on the collector/emitter is exactly the same as the input voltage.

Does anyone have any idea what could be wrong.

transistor 2n3904
1k resistor
torrid from a cfl lamp
telephone wire 10 turns
input voltage 2.4 v from two AAA batteries.

Thanks in advance.
It sounds like you may have one of your coil winding backwards.

Try reversing the polarity on one of your coil windings.

The base winding and the collector winding should be wound on opposite directions.
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  #857  
Old 10-28-2010, 09:33 PM
pentiger pentiger is offline
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Hi Slayer,

I did everything exactly like in the video from Makezine

two wires run together trough the toroid and then one of each opposite ends soldered together.

I re-winded it several times and still the same end result, I may have to post a video of what I am doing.

Thanks for the reply.
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  #858  
Old 10-28-2010, 09:39 PM
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Quote:
Originally Posted by slayer007 View Post
It sounds like you may have one of your coil winding backwards.

Try reversing the polarity on one of your coil windings.

The base winding and the collector winding should be wound on opposite directions.
Hi Slayer Thanks for helping pentiger I had a stroke three months ago and my thoughts get messed up some times. My Hobie in electronics have kept me from going nuts while trying to make a recovery Tec
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  #859  
Old 10-29-2010, 03:29 AM
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kooler kooler is offline
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Quote:
Originally Posted by pentiger View Post
Hi Slayer,

I did everything exactly like in the video from Makezine

Thanks for the reply.
hey..,
i can't tell from the pic on the resistor.. does it look like this one below
cause everything else looks good.. if it does try a small cap across the resistor.. like a 0.1 uf or lower..

robbie

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  #860  
Old 10-29-2010, 04:27 AM
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Quote:
Originally Posted by kooler View Post
hey..,
i can't tell from the pic on the resistor.. does it look like this one below
cause everything else looks good.. if it does try a small cap across the resistor.. like a 0.1 uf or lower..

robbie

Hello PenTiger.Just a though if the resistor is right than switch the wires on your resistor and led also did you check the led with a three volt battery? just to make sure it was good I've had that happen before. Hope this helps Tec
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  #861  
Old 10-29-2010, 03:04 PM
pentiger pentiger is offline
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Thanks all for the replies. The resistor is 1k just like in the picture, besides I measured it. Maybe the transistor is not good. I purchased a 2n3055 an I will try again. One coil I know I messed up because I used uncoated wire and it shorted out. But on the other hand when I used a telephone wire I got same result.
Tomorrow I will be able to post pictures of the multimeter.

In regards to LED, it should be fine, it didn't light up from the circuit, because the voltage wasn't enough.

Thanks again to everyone for help. I will have to try couple more times.

pentiger
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  #862  
Old 10-29-2010, 05:16 PM
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Dont give up

Quote:
Originally Posted by pentiger View Post
Thanks all for the replies. The resistor is 1k just like in the picture, besides I measured it. Maybe the transistor is not good. I purchased a 2n3055 an I will try again. One coil I know I messed up because I used uncoated wire and it shorted out. But on the other hand when I used a telephone wire I got same result.
Tomorrow I will be able to post pictures of the multimeter.

In regards to LED, it should be fine, it didn't light up from the circuit, because the voltage wasn't enough.

Thanks again to everyone for help. I will have to try couple more times.

pentiger
Hello PenTiger
You are almost there.I take two wires of of the same length and tape one end of the two together, then I start clockwise wrapping them around the coil. when done " (Example One red wire & one black wire) " ( Take The Red wire from the two you taped together and soldier it to to the black wire you did not have taped.) That leaves you with a red and a black With a piece of tape on it. no way to get them messed up. from there just follow how to make a JT.As far as Transistors I have used 2n3904/2n3906/2n2222.I have only used a 2n3055 power transistor for making HV using an automotive ING coil, Now that will run a Cfl light But with my setup you need at least a 12 volt car battery.any way once you get your JT working then you can start working on a secondary winding for your cfl light. look on youtube . Hope some of this helps. Tec
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  #863  
Old 10-30-2010, 03:44 AM
pentiger pentiger is offline
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Quote:
Originally Posted by Tectalabyss View Post
Hello PenTiger
You are almost there.I take two wires of of the same length and tape one end of the two together, then I start clockwise wrapping them around the coil. when done " (Example One red wire & one black wire) " ( Take The Red wire from the two you taped together and soldier it to to the black wire you did not have taped.) That leaves you with a red and a black With a piece of tape on it. no way to get them messed up. from there just follow how to make a JT.As far as Transistors I have used 2n3904/2n3906/2n2222.I have only used a 2n3055 power transistor for making HV using an automotive ING coil, Now that will run a Cfl light But with my setup you need at least a 12 volt car battery.any way once you get your JT working then you can start working on a secondary winding for your cfl light. look on youtube . Hope some of this helps. Tec
Tec, thanks for all the details.

To let you know I did it finally. Both transistors worked with 1.3v AAA.
2n3904 lit up the LED, (by the way the LED I used before didn't work). 2n3055 worked even better from what I saw.

This test was a success!!!

Now I need a bigger coil to light up a CFL or LED bulb.

Thanks again for all your help.

pentiger
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  #864  
Old 10-30-2010, 04:08 AM
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Quote:
Originally Posted by pentiger View Post
Tec, thanks for all the details.

To let you know I did it finally. Both transistors worked with 1.3v AAA.
2n3904 lit up the LED, (by the way the LED I used before didn't work). 2n3055 worked even better from what I saw.

This test was a success!!!

Now I need a bigger coil to light up a CFL or LED bulb.

Thanks again for all your help.

pentiger
I Knew you could do it Now If you have a big enough coil you can wind around 150 to 200 turns to get enough voltage to light a cfl this is only one wire magnet wire is the best for this a smaller awg size than what you used for the JT winding. My best advice is to watch a lot of youtube vidios to see the best way to do this you can check out my channel it has a lot of links so you wont have to search everywhere Tectalabyss. type in that when you are on youtubes page. And again Great going. Tec
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  #865  
Old 10-30-2010, 04:56 AM
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Guys:
I've had kindof the same problem with all my Jtc, that is, that there is no induction, and, the voltage between C and E is the same as the battery voltage. I've made about 10 different Jtc now, and they all work the same. 1/2 to 1" toroids from Pc power supplies, as well as a small one from a 13 watt CFL. All using the 2N2222 transistor, and the 1 k ohm resistor. I've tried two different colors of insulated wires to avoid any mix up, as well as 76 turns of 28 gauge magnet wire, on a one inch toroid.
I have one test Jt that has been on a 4 day run, so far, and the Led (single blue one) is still on. The new 3.6v cordless phone battery that is running it, still has 2 volts or so, in it still. Who knows when it will stop, as it seams to like the set up.
So, my Jtc are working but, no induction, at all.
Any ideas on big air core design would be welcome, as I haven't heard much about that.

Tomorrow I'll try a new transistor TIP3055, a different resistor, and I'll also make a new 3 inch bifilar air core, with a secondary. Hopefully that will solve my no induction problem.
I'm working to make a hefty 12 volt Jt that will feed-back to source,and self run, while lighting some Leds. I see some guys are getting close to it...
NickZ
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  #866  
Old 10-30-2010, 01:23 PM
pentiger pentiger is offline
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Quote:
Originally Posted by NickZ View Post
Guys:
I've had kindof the same problem with all my Jtc, that is, that there is no induction, and, the voltage between C and E is the same as the battery voltage. I've made about 10 different Jtc now, and they all work the same. 1/2 to 1" toroids from Pc power supplies, as well as a small one from a 13 watt CFL. All using the 2N2222 transistor, and the 1 k ohm resistor. I've tried two different colors of insulated wires to avoid any mix up, as well as 76 turns of 28 gauge magnet wire, on a one inch toroid.
I have one test Jt that has been on a 4 day run, so far, and the Led (single blue one) is still on. The new 3.6v cordless phone battery that is running it, still has 2 volts or so, in it still. Who knows when it will stop, as it seams to like the set up.
So, my Jtc are working but, no induction, at all.
Any ideas on big air core design would be welcome, as I haven't heard much about that.

Tomorrow I'll try a new transistor TIP3055, a different resistor, and I'll also make a new 3 inch bifilar air core, with a secondary. Hopefully that will solve my no induction problem.
I'm working to make a hefty 12 volt Jt that will feed-back to source,and self run, while lighting some Leds. I see some guys are getting close to it...
NickZ

Hi NickZ,

I can only tell from my experience. I assume that all your coils work just like mine did. I think that we cannot measure voltage at C/E. The test is to plug a LED to see if it works. I tried several coils and only measured the voltage which was always the same as the input, without actually connecting a LED, which led me to thinking that it doesn't work - I was wrong

LED always lights up from the C/E of the transistor even thou the voltage looks like it didn't change.

Maybe a special multimeter is necessary to measure this voltage.

Yesterday I lit 70 blue LEDs from one AAA battery even thou the voltage measured was 1.3V

Please try plugging some LEDs to your circuit and test it this way.

pentiger
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  #867  
Old 10-30-2010, 01:31 PM
pentiger pentiger is offline
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Quote:
Originally Posted by Tectalabyss View Post
I Knew you could do it Now If you have a big enough coil you can wind around 150 to 200 turns to get enough voltage to light a cfl this is only one wire magnet wire is the best for this a smaller awg size than what you used for the JT winding. My best advice is to watch a lot of youtube vidios to see the best way to do this you can check out my channel it has a lot of links so you wont have to search everywhere Tectalabyss. type in that when you are on youtubes page. And again Great going. Tec
Hi Tec,

where can I get a 3 1/4 inch toroid for Jeanna's light?

pentiger
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  #868  
Old 10-30-2010, 01:35 PM
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Quote:
Originally Posted by pentiger View Post
Hi NickZ,

I can only tell from my experience. I assume that all your coils work just like mine did. I think that we cannot measure voltage at C/E. The test is to plug a LED to see if it works. I tried several coils and only measured the voltage which was always the same as the input, without actually connecting a LED, which led me to thinking that it doesn't work - I was wrong

LED always lights up from the C/E of the transistor even thou the voltage looks like it didn't change.

Maybe a special multimeter is necessary to measure this voltage.

Yesterday I lit 70 blue LEDs from one AAA battery even thou the voltage measured was 1.3V

Please try plugging some LEDs to your circuit and test it this way.

pentiger
Way to go Both of you. I think though I am not sure that the JT makes the DC voltage behave like it were AC voltage Thats why your meters wont read correctly. You can take a bridge rectifier and connect it to the led output and get your readings from there or do the same thing off of the output of your secondary winding hope this helps and again Great going Tec
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  #869  
Old 10-30-2010, 01:52 PM
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Tectalabyss Tectalabyss is offline
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Originally Posted by pentiger View Post
Hi Tec,

where can I get a 3 1/4 inch toroid for Jeanna's light?

pentiger
I have looked for these myself with no luck you can try ebay or Google.Good Luck and let me know Tec
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  #870  
Old 10-30-2010, 03:44 PM
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NickZ NickZ is offline
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@kooler
Thanks for showing the picture of the resistor. I can now tell that my 1k ohm resistor is Not the right one. I have brown, black, and gold (not red), and gold band. So, that may solve my no induction problem. Thanks to Kooler for taking the time to post the pic.
NZ
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