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  #121  
Old 06-20-2011, 07:48 AM
7imix 7imix is offline
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Oh you have the chip? I'll post the circuit, then. It's a fairly easy build.
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  #122  
Old 06-20-2011, 08:05 AM
Farmhand Farmhand is offline
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Originally Posted by 7imix View Post
Oh you have the chip? I'll post the circuit, then. It's a fairly easy build.
Yeah that's right I have those now and SG3234's as well.

Thanks
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  #123  
Old 06-20-2011, 08:25 AM
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Check these guys out, i bought a while back frequency generators for a school from them, they seem very satisfied with them...

digital multimeter oscilloscope dso dmm usb Rigol Fluke meter (HK based)

DS1052E @USD465
2) DS1102E @USD685
3) DS1062CA @USD750

those were the prices i got at the time i bought them

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  #124  
Old 06-20-2011, 09:05 AM
7imix 7imix is offline
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UC3525 SG3525 NTE1721 PWM Mosfet Driver by 7imix, on Flickr

It hasn't really changed since the last time I posted it.

For the rt pin, you can put any string of potentiometers of different sizes to get the resolution you need. It adjusts the frequency.

For the 10k pot, I suggest a 10 turn pot, one of the expensive ones or a cheap trimmer. That adjusts the duty cycle.

I also showed how I hook up the coil. Vcc to coil, coil to mosfets, mosfets to ground.

Use the burliest mosfets you can find with the smallest rise time and fall time you can find.
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  #125  
Old 06-20-2011, 10:39 AM
Farmhand Farmhand is offline
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Quote:
Originally Posted by 7imix View Post

UC3525 SG3525 NTE1721 PWM Mosfet Driver by 7imix, on Flickr

It hasn't really changed since the last time I posted it.

For the rt pin, you can put any string of potentiometers of different sizes to get the resolution you need. It adjusts the frequency.

For the 10k pot, I suggest a 10 turn pot, one of the expensive ones or a cheap trimmer. That adjusts the duty cycle.

I also showed how I hook up the coil. Vcc to coil, coil to mosfets, mosfets to ground.

Use the burliest mosfets you can find with the smallest rise time and fall time you can find.
I like it ! Should get full frequency with that circuit and the fet only do half the work each.

I'll make one of those very shortly and put it straight to PCB. Those chips confuse me.

Thanks
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  #126  
Old 06-20-2011, 05:06 PM
7imix 7imix is offline
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I like it ! Should get full frequency with that circuit and the fet only do half the work each.

I'll make one of those very shortly and put it straight to PCB. Those chips confuse me.

Thanks
Yep, I like that about this circuit; even though two phases can be useful, using both phases for one coil with two mosfets shares the load in a nice way.
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  #127  
Old 06-22-2011, 02:42 PM
Farmhand Farmhand is offline
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OK 7imix, I built that PWM circuit on a solderless board and it works good, i can get the full 200 Khz from each output so 400Kz and with very narrow pulses. I'll show some pics from the analogue scope.

This is at lower frequency.
https://skydrive.live.com/?cid=32a91...1230&sc=photos

This is full blast with the narrowest PW i could get and still get it focussed. It would be more stable soldered.
https://skydrive.live.com/?cid=32a91...1231&sc=photos

As you can see I can't use it like this so I'll have to solder it into a point to point board,
https://skydrive.live.com/?cid=32a91...1232&sc=photos

A couple of things I noticed as I worked it out and would suggest you try, is tying the shutdown pin to ground, (it says to in the datasheet) and I used a 0.001uf timing cap for full frequency. The timing cap should be connected to the CT pin and the Dead time resistor from the CT pin to Discharge. I think you must have made a drawing error because the timing cap would need to charge through the dead time resistor in you're drawing.

I also used a 100 ohm dead time resistor, and 2k-10kpot-1k divider for the PW control and 2k with 10K for the RT/frequency adjust.

Thanks for the drawing it helped me immensely.

I'm not sure if this chip can do it (havn't checked yet) but I think it can change the PW by way of a feedback from the load like the SG3524 and TL494 can.

I'm estimating I will need about 620 Khz maybe a bit lower when i wind my two new Resonator coil "B's" they will be aproxximately 1036 turns each 180 meters of 0.5mm wire so about 550 mm tall the same height formers as the one's I have now but full of wire. Plus there is 147 turns in the Coil"A" coupling coil.

That should give me a resonant frequency of about 600Khz I can do that with a SG3524 chip they can do 700Khz, so that would be a very good and simple drive circuit a SG3524 oscillator driving alternate Mosfets and using the Tank/Charing circuit, I might have to adjust the cap size for the primary charging circuit.

Haha here is a silly video of the new little coil I made lighting an LED with no connections to anything. I thought I would put it up on youtube for a laugh.
YouTube - ‪AlternateFarmhand1's Channel‬‏

I noticed the little one light's when the other one doesn't and vice versa.

Cheers
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Last edited by Farmhand; 06-22-2011 at 06:18 PM.
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  #128  
Old 06-24-2011, 01:23 AM
Farmhand Farmhand is offline
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Hi 7imix, Seems i was wrong about the Shutdown pin. It should be left open by the looks of it. I see in the data sheet it say's it should not be left "floating" I guess that could mean something different to "open".

Datasheet says this.
Quote:
"Pin 10 should not be left floating as noise pickup could
conceivably interrupt normal operation."
But then I see in the example drawings that pin 10 is used to turn it off and a switch is used which more or less leave's the pin 10 open.

It does work open or tied to ground.

Anyway I also built a basic SG3524 circuit but I am having trouble measuring the frequency. I think the oscillator can do about 500 Khz so 250 per output.

I see what you mean about the pulses dropping out too, but it doesn't happen untill the PW is so narrow it doesn't matter.

The SG3525 seems to have a much nicer "Squarer" looking pulse than the SG3524. I'll put both on pin to pin board's so I can make some change's if I need to.

It would have taken me a lot longer to work these out without you're drawing.

Thanks.
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  #129  
Old 06-24-2011, 06:29 PM
Farmhand Farmhand is offline
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Ok I've got a new circuit and it's working well. I get a little flash of light and a puff of smoke from my fingertip now if I touch the toroid. Video of that soon.

The circuit is reading a max of 550 Khz when no coils are attached and when I use it on the transmitter and tune it a bit it then says 850 Khz with the meter just sitting on the bench about 2 feet from the transmitter but if I connect the meter it then says over 2 Mhz, WOW.

I went with the SG3524 chip instead of the SG3525 chip from 7imix's drawing because I had some and the 24 chip is capable of higher frequency.
I found out however that the 24 chip has only single transistor outputs not TTL so the mosfet turn off was very bad, I fixed the problem by using PNP turn off sharpeners to drain the gates after the pulse is over. Thanks to 7imix's help I had a pretty easy time of it. Thanks 7

I think I labeled the drawing correctly.

Circuit on a project board.
https://skydrive.live.com/?cid=32a91...1235&sc=photos

Circuit sketch/drawing
https://skydrive.live.com/?cid=32a91...1236&sc=photos

Wave form from scope probe hanging 12 inch's from the toroid.
https://skydrive.live.com/?cid=32a91...1238&sc=photos

Frequency reading with the probe on mosfet 2 gate.
https://skydrive.live.com/?cid=32a91...1237&sc=photos

Frequency reading with the probe on the bench 2 feet from device.
https://skydrive.live.com/?cid=32a91...1234&sc=photos

Here's the video.
AlternateFarmhand1's Channel - YouTube
Enjoy !

Cheers

Edited in video link.
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Last edited by Farmhand; 08-29-2011 at 05:13 AM.
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  #130  
Old 06-26-2011, 03:21 AM
Farmhand Farmhand is offline
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Hi all, I been playin while waiting for more wire and a function generator, so I can have a chance at achieving full resonance.

I now have a night light, the Fluro is connected to the ground connection of the receicver, and the two LED's are running from the output of the receiver through a FWBR.
https://skydrive.live.com/?cid=32a91...1239&sc=photos

With the lights on the receiver I still run the transmitter with only 350 Ma input at 12.5 volts, loading the receiver seems to make a smoother input to the transmitter and I can just keep the protection neon from flaring up, it only just glows from the transmitter actually exciting it. Loading the receiver seems to also make the transmitter Mosfets run cooler.

https://skydrive.live.com/?cid=32a91...1240&sc=photos

I was thinking that it may well be possible to get a circuit like this to run a Small Magnifying Transmitter, if it can be made to oscillate at Mhz frequencies I can't see why not. The guys working with the Joule thief exciters could get a circuit like that going I think.

https://skydrive.live.com/?cid=32a91...1241&sc=photos

Cheers
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Last edited by Farmhand; 06-26-2011 at 03:23 AM.
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  #131  
Old 06-28-2011, 02:37 PM
Farmhand Farmhand is offline
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Ok my order of two rolls 180 meters x 0.5 mm magnet wire arrived so I made up a very simple winding jig from stuff I had laying around, I've finshed the first coil and there is a fair bit of wire left over. I'm not sure what to do about it because the coil is already 635 mm long and 1270 turns . Long enough I think.

https://skydrive.live.com/?cid=32a91...1245&sc=photos

I can only assume there is a lot more than 180 meters of wire or the coil calculator is out of whack, my calculations tll me I already have just over 220 meters on there. I could use slightly bigger diameter former and I might yet I'll have a look for some tubing.

Looks like I should order more wire from that place. A similar thing happened to me the other day, I ordered 2 lots of 4 capacitors so 8 all up they were 15000 uf,35v caps. after a few days they turned up in the mail, 8 caps then two days later another 8 caps turned up so I got 8 free caps. Hopefully they aspire to become free energy caps too.

Cheers
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  #132  
Old 06-30-2011, 02:15 AM
Farmhand Farmhand is offline
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Hi guys, ordered my function generator last night.
Function Generator 0.1Hz - 3MHz with AM/FM & VCF input | eBay

I wound some very long coils and have been having some fun with them for now. The transmitter now "bites".
Pic. https://skydrive.live.com/?cid=32a91...1245&sc=photos

Sparks and plasma bulb,
YouTube - ‪Plasma 3.wmv‬‏

Here is the second part of a video showing how I wound the coils, i'm having trouble uploading the first part for some reason.
YouTube - ‪Telsa Coil Winding Secondary 2.wmv‬‏

And this is some strange current use when a fluro is tuched to the toroid, when the fluro actually touches the toroid the current goes down considerably and actually hits zero a couple of times, I suspect this is a meter anomoly but the current does reduce because the battery voltage rises when the load on it is reduced.
YouTube - ‪Low current Fluro‬‏

I have to experiment a bit with some less turns primary, I'll try to think of a good way to tap the primary for testing. I measured the indutance of the two coil "A's" and coil "B's" while they were all set up and the transmitter was 0.006 mH less than the receiver so I wound a small variable inductor which adjusts from 0.005 uH to 0.012uH , I'll make another one for the receiver so I can have a bit of adjustment on it too and so raise the inductance of both a little.

Everything is going well, when I get the fuction generator I will determine the resonant frequency of the coils and build a dedicated circuit to run it, I am planning some more coils allready, I think I have been bitten by the Tesla coil bug.

I have piccies and can explain how I constructed the coil winding jig and the Winding video #1 explains how i went about it. I just need to upload it, every time I make a spark the computer glitch's and the upload fails. 4th time lucky I hope.

Cheers
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Last edited by Farmhand; 06-30-2011 at 04:36 AM.
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  #133  
Old 06-30-2011, 11:11 PM
Farmhand Farmhand is offline
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Alrighty, I think these transformers are almost resonant, I am going to make a prediction that the resonant frequency is between 500 Khz and 550Khz it's difficult to get a proper reading with the equipment I have, but it looks like 508.2 Khz is working quite good. And if that frequency or aroundabout is correct then I can easily build circuits to drive it.

Some effects the coil has now. You can see in the bulb the broken filiment starts to rotate under the plasma thrust and it looks like a two pole motor to me because the energy pulses from the transformer are happening as the filiment is on opposite side's of its rotation, utilising two pulses per rotation mostly.

Plasma 5.wmv - YouTube

At about 3.20 in the video the plasma zaps me through the glass.

So another week or so and I should be able to show a reasonable power transfer. I can tune it to use quite a bit of power without overheating the mosfets, maybe 4 ampere's, I'm getting a fair bit of power availiable at the receiver now and it can light a small fluro tube and some LEDs at the same time, the fluro from radiation and the LEDs from the output, which reads about 70 to 100 volts open circuit, without a resistor it burns out LEDs immediately of course, but with a resistor it works and I get 11 volts over two 5mm white LEDs and a 270 ohm 1 watt resistor, quite brightly lit.

I'm trying to nut out some useful setup to make the output of the receiver more usable for running things other than lights.

Cheers
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Last edited by Farmhand; 08-29-2011 at 05:06 AM.
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  #134  
Old 07-01-2011, 10:19 AM
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MonsieurM MonsieurM is offline
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Farmhand have you seen this on my thread trees a radiant antenna:

Quote:
Not speaking Russian , i used google translation to give me the correct translation for wireless electricity in Russian and i found this, quite interesting video:

farmhand, you may want to have a look at it

YouTube - ‪Бе�проводна� передача �лектриче�тва‬‏

Quote:
This device transmits electricity without using any wires as a guide along which the transmission of electricity is land. The device is assembled by the scientist Nikola Tesla patents. The main element of the device is a transformer Tesla.
Experiments with the free energy (watch starting at 2 min easy to reproduce )

Quote:
Experiments cold electricity transformer Tesla magnetic motor Vladivostok converter arc wireless power transmission cooler Bedini free energy of the pulse generator
YouTube - ‪Опыты �о �вободной �нергией‬‏
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Last edited by MonsieurM; 07-01-2011 at 10:27 AM.
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  #135  
Old 07-01-2011, 10:40 AM
Farmhand Farmhand is offline
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Originally Posted by MonsieurM View Post
Farmhand have you seen this on my thread trees a radiant antenna:
Yeah I did have a quick look, very interesting and I am planning to check it out better, I like it.

I was thinking of starting another thread specifically for replications of the Magnifying Transmitter as per the U.S. Patent 1,119,732. Apparatus for Transmitting Electrical Energy.

Concentrating on replications, driving circuits, and receiver output circuits.
Hopefully to get some better circuit designers to help with workable circuits for a predictable output.

Maybe if a few of us work together some with more skills than me, we can make an art of this. Which would please Nikola greatly. And hopefully contribute to the acceptance of these things. Maybe.

I have a remarkably powerful device now, it can light two fluro's by radiation at the Transmitter while lighting LED's through a resistor from the receiver while sustaining a virtual short circuit through a 20mm plasma stream to a ground wire, WOW. The input go's from about 4 watts to 15 watts to maintain the plasma stream but I can live with that. Another video coming soon, shot entirely under light produced from the power through the device showing this.

Thank you for getting me interested in this. I am having a great time. And funny thing is I feel better when it is operating, Energised !

Cheers
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  #136  
Old 07-01-2011, 10:46 AM
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Quote:
Originally Posted by Farmhand View Post
Yeah I did have a quick look, very interesting and I am planning to check it out better, I like it.

I was thinking of starting another thread specifically for replications of the Magnifying Transmitter as per the U.S. Patent 1,119,732. Apparatus for Transmitting Electrical Energy.

Concentrating on replications, driving circuits, and receiver output circuits.
Hopefully to get some better circuit designers to help with workable circuits for a predictable output.

Maybe if a few of us work together some with more skills than me, we can make an art of this. Which would please Nikola greatly. And hopefully contribute to the acceptance of these things. Maybe.

I have a remarkably powerful device now, it can light two fluro's by radiation at the Transmitter while lighting LED's through a resistor from the receiver while sustaining a virtual short circuit through a 20mm plasma stream to a ground wire, WOW. The input go's from about 4 watts to 15 watts to maintain the plasma stream but I can live with that. Another video coming soon, shot entirely under light produced from the power through the device showing this.

Thank you for getting me interested in this. I am having a great time. And funny thing is I feel better when it is operating, Energised !

Cheers

You can always count me in, spreading knowledge is just creating a new fractal tree , also called the tree of knowledge
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  #137  
Old 07-01-2011, 11:55 AM
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MonsieurM MonsieurM is offline
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Farmhand, Can I ask a favor from you:

When you have your set up done and ready, could you test for me

Spherical Helical Antenna

http://www.ece.nus.edu.sg/stfpage/el...ions/ap_01.pdf



I would Greatly Appreciate it, I can not explain it but this shape has something special about it...
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  #138  
Old 07-01-2011, 12:08 PM
Farmhand Farmhand is offline
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Yes no problem, how would you like it done ? I'll read the PDF later and devise a plan, you mean for a receiver antenna ? Because I'm interested to try different things for receiving for certain. We must find as many good ways as possible and identify the best one's from them as well.

Tree's too.
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  #139  
Old 07-03-2011, 04:19 PM
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not being as well instructed as you guys on spacial resonance, i went ahead and looked it up, and hold and behold: this is for you Farmhand

An electrostatic spatial resonance model for coaxial helical structures with applications to the filamentous bacteriophages.

Quote:
It is found that coaxial helices with optimally mated symmetries can lock into spatial resonance configurations that maximize their interaction. The resonances are represented as vectors in a discrete three-dimensional space[
An electrostatic spatial resonance model for coaxial helical structures with applications to the filamentous bacteriophages.

http://www.ncbi.nlm.nih.gov/pmc/arti...00068-0079.pdf

one more think i would like to add and i think it is very important in your tesla magnifier

If you only knew the magnificence of the 3, 6 and 9, then you would have a key to the universe.
Nikola Tesla:



want to know more check out this post:

http://www.energeticforum.com/131976-post6.html

also

Quartz Crystals
Electron Tubes by John Morecroft, 1933 starting page 334...
Fixing Frequency by Piezo-electric Crystal


Quartz Crystals



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Last edited by MonsieurM; 07-03-2011 at 10:24 PM.
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  #140  
Old 08-07-2011, 07:10 AM
telemachus telemachus is offline
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Question about the Primary Coil

I'm wondering about the primary coil. There is supposed to be a 70 turn secondary coil and a 5 turn primary wound. Is the primary coil wound around the spiral coil? can the 5 turn primary coil just be wound like a regular solenoid
or does it have to be a spiral coild too? I looked at pp. 22 - 23 in the project instructions but the pictures do not show how the 5 turn primary should be wound.

Thanks for any info.

Peter
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  #141  
Old 08-07-2011, 07:58 AM
Farmhand Farmhand is offline
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Originally Posted by telemachus View Post
I'm wondering about the primary coil. There is supposed to be a 70 turn secondary coil and a 5 turn primary wound. Is the primary coil wound around the spiral coil? can the 5 turn primary coil just be wound like a regular solenoid
or does it have to be a spiral coild too? I looked at pp. 22 - 23 in the project instructions but the pictures do not show how the 5 turn primary should be wound.

Thanks for any info.

Peter
Yeah it needs to go around the spiral coil, like in this patent.

NIKOLA TESLA - Google Patents

Coil "C" is the primary and coil "A" is the secondary going by the transmitter.

The patent only shows two turns where you should have 5 turns.

Cheers
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  #142  
Old 08-29-2011, 03:20 AM
Vincevl Vincevl is offline
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My replication

Hi All,

You can check out my humble beginnings here > Tesla Wireless Power Transmission - YouTube

There is lots to learn.

Thanks Farmhand for directing me to this thread!

Cheers,
Vince
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