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-   John Bedini (http://www.energeticforum.com/john-bedini/)
-   -   Bedini SG (http://www.energeticforum.com/john-bedini/364-bedini-sg.html)

Aaron 11-08-2007 10:57 PM

another sg
Very cool! Looks good to me. If you get results that is what counts.
Ceramic mags work fine for this and you'll get better efficiency. It will
run a little awkward with the south there in this particular configuration.

Aaron 11-08-2007 10:59 PM

tape motor schematic
Here is a schematic for the tape wheel motor.


The leads on the tape motor were already sticking out on really good pins.
For a muffin fan motor for example, you'd have to open it and free up the leads on each coil and route them out.

Schematic shows example of how to hook up either a battery on output or a cap...please don't confuse this that
I'm charging a battery one one output and a cap on the other.

This runs only clockwise as the induced current to trigger comes from the left side, which is connected to the base.

The bulb and pot I have are between the trigger wire and the resistor.

Aaron 11-08-2007 11:12 PM

interesting animation of Bedini circuit
Any comments on this vid?
YouTube - bedini self charging motor circuit

CaptainScat 11-09-2007 02:27 AM

nice CGI skills ;)

Aaron 11-09-2007 02:33 AM

the vid
Yeah, it is from Skeptic33 who posted some comments on my vid here:
YouTube - Back EMF vs Collapsed Spikes

Not sure what to make of it. The diagram is a little hard to read...the one that pops up in the vid towards the end.

LutherG 11-09-2007 04:54 PM

Hi Aaron,

Thanks for the schematic - very nice. Would it be permissible to take a resistance reading across one of the power coils and one of the trigger coils sometime since the ends of the coils are out in the open? It would be very interesting to see what they measure... especially for those of us who would like to try to replicate this version... I love that jet sound when it ramps up on 24 volts! ha!

thanks and best regards to all,


PS: Here is my little SG on youtube:

YouTube - Bedini Monopole Energizer (aka: SSG Energizer)

Aaron 11-09-2007 08:07 PM

coil resistance
Hi Luther,

3.4 ohms per coil.

There are connections to the coil so that reading is accurate unless backwards through the circuit there is a connection.

ren 11-09-2007 09:27 PM

I would love to get a hold of one of these tape motors. I have been looking around, my Dad was a film maker before he passed away and Im hoping to get in touch with some of his work mates to see if they have any old reel to reel motors lying on the scrap heap.

Aaron could you hazard a guess to the size or length of coils inside? Probably not without pulling apart this little gem. I am really interested to know if it does have cores or not. I got my rotor going very fast without cores, I am not sure if they are a necessity for the radiant effect however....

Would be good to see if anyone has dismantled one of these spools as I am unsure of the magnet configuration too. The little button fan I pulled apart had four coils but only one magnet strip going 360 degrees around.

Also Aaron, do your two trigger coils interconnect? Like Ricks diagram from the monopole list (mods remove if inappropriate).

Aaron 11-10-2007 04:06 AM

motor info

I tried unscrewing the nuts from the top center screw but the screw turns with it. There are 2 screws underneath the rotor and I'm not sure I can even do this without having to unmount it from the base so I'm not going to do that.

If I was going to redo one of these motor styles, I would actually just modify a muffin fan so at least you get work from the rotor like blown air.

It would be such a shame to tear apart a good reel to reel to get these motors...especially if they're from the 1970's because they're such good quality players.

I just found some pics of some reel to reel motors and they look different from the one I have. I'm not 100% sure it came from a reel to reel. I thought it did.

3191D or 3191O or 31910 is a number printed on top. The 9 'could' be an 8. I couldn't find reference to it online.

ren 11-10-2007 04:18 AM


I wasnt going to dismantle a working unit, I would only scavenge the motors if it was on the tip. Thanks for info Aaron, I'll search around. Or maybe I'll just wind some coils with the same ohms.

I just found a sight online that sells old vintage parts and spares for reel to reels.

Oak Tree Vintage has used home audio stereo gear, antique microphones cables and connectors 8mm 16mm movie film projectors vintage guitars amplifiers amps guitar effects old transistor tube radios reproduction jukeboxes. Reel Reels turntables speaker

gabriolaman 11-10-2007 09:39 AM

well i made what i call the poor mans sg, the coil is smaller has no trigger coil ( i didnt have lots of enamel wire )i made my own reed switch for a trigger that uses juice from the battery to fire the transistor

i dont even know if its the real thing i plan to get proper parts just havnt been able to yet but was going crazy wanting to make one so i made this im new here and just learning what i can

i dunno if the battery is charging from radiant energy or the recycled collapsing magnetic feild from the coil i only did a few cycles so ile have to keep going to see what happens

videos not to great but you can see the monster

YouTube - poor mans sg

Jan H 11-10-2007 01:26 PM

a few questions
i've got some questions regarding the SG. Im currently trying to improve my current design. But i need to know a bit more about winding coils.

How do you actually wind it? lets say i'v got my twisted wire, and i've got my spool. I'ts really hard to go from left to right in one go, When i try stacking up the wire it wants to fall off to the side. And as far as i know i cant go back and forth winding it, because that will not result in a north and south pole. Is it possible to wind a thin layer from left to right, then go straight back and repeat the process?

also i noted something very weird. When i connect a neon bulb to the charging output, only one of the filaments in the bulb lights up, is that normal?

if the charge output lights up a neon bulb, is that proof of the motor being in sync? I personally think rpm has to go way up?

gabriolaman 11-10-2007 05:51 PM

cant you wind the coil any way as long s its facing north towards the magnets?

ren 11-10-2007 09:49 PM

In regards to coil winding guys.

For basic setups the winding isnt too important. Put your spool onto a cordless drill, hold your other spool full of wire and turn sewing machine style:cheers:

If you want a beautiful, neat coil you can make a little hand crank and take your time. Some double sided tape can help you get each layer neat. Wind (take note of clockwise or anti clock as this will determine your north and south) up the coil and then back down. You can insulate with masking/electrical tape to help keep it tight then repeat. Don Addist has a small pic tutorial here Winding Coils

YOu can wind all the way up and then string it down (directional winding i think its called?) But I cant see any real benefit from this. Someone prove me wrong if there is.

Jan H 11-11-2007 04:14 PM

buzzing coil
hello everyone,
today i rewound my SG coil to get about 600-700 windings on there. And used an AM antenna ferrite core to see what would happen.
SG charges A LOT better, but current draw has gone up from 70mA to 200mA I did add a potmeter to the trigger resistance to get it down, but that's as low as i can go.

When i attach a neon bulb to charge output it nearly blows the bulb.
But i also noted a weird side effect, when the rotor isn't turning the coil makes a high lets say 3khz buzzing noise, when i then change the resistance on the potmeter the frequency of the noise changes.
This didn't happen with my first coil.

any idea's?

gabriolaman 11-11-2007 04:51 PM

transistor may be damaged?

Jetijs 11-11-2007 04:56 PM

The buzzing sound is normal, that is because at higher base resistance the coil and the transistor starts to self oscilate. I can do this with my SSG if I increase the base resistance to about 900 Ohms, then there is that high pitch sound, the wheel is not turning but the charging battery still charges up while the primary battery discharges. You can run your setup also this way, but that is not as efficient as when the wheel is turning :)

Jan H 11-11-2007 08:23 PM

ah ok thanks, good to know.

as i was playing with my sg i accidently kicked my output wire off, resulting in a fried transistor :( so put a new one in with a neon bulb this time, Then what, a short in my coil. Trigger and power wire touching eachother :wall:
well fine fixed that. Connected everything up, started it woohoo! went into self resonance with the bulb lighting up, accidently touched the wrong wire. DAMN! that hurts ive had some nasty shocks before, but nothing like this one! my chest still hurts.

so not having my day today.
now its running again, trying to revive a 50amphr car battery.

gabriolaman 11-13-2007 07:27 AM

i also have the buzzing sound when my sg is not spinning if i disconnect the charge battery it gets louder !? is it really normal?

Aaron 11-13-2007 06:13 PM

oscillating sg
When disconnecting the charge battery on the output, it is like having a larger diameter exhaust allowing the motor to turn over faster and with more ease. There is less back pressure in the circuit.

Reduce the resistance at the base to get rid of the oscillation. You don't want this effect if you're using a rotor. Otherwise, you can tune the oscillator if you want it to oscillate and don't want to use the rotor.

gabriolaman 11-14-2007 02:59 AM

well i tried reducing it and even tried it with no resistor could the buzzing be due to a short in the coil?

gabriolaman 11-24-2007 08:04 PM

i have found with a single strand tightly wound slave coil i get higher voltage collapsing spikes would this be a desired effect meaning a better voltage potential to a quire my radiant energy??

MGC 11-25-2007 01:31 AM

Bedini Battery ?
Hello to the group,

My name is Mike, I started researching these materials very recently, glued to the computer, reading and watching experiments from so many of you for the better part of the last two months. :notworthy: I feel like I just woke up.

Am I understanding these behavioral concepts right ?

The collapse of the pulse triggers a higher voltage potential in the exciter coil. This potential is then opened against a dense receiver of charges (the battery).

The charges rush into this potential from everywhere it can, from the wires, from the battery, from the air, from the ground.

The polarization of the battery's relatively large reaction cross section draws much of the charges into this space. The effect can also be seen outside of the battery as well, acting like a gas, drawing charges into it.

If this is correct, what sort of battery would be the most efficient at receiving negative energy, of being a conduit for these charges?

This question may be off-topic but is anyone working in this area or interested in it?

gabriolaman 11-25-2007 02:09 AM

well i really wanted to get my second coil hooked back up so took apart an old power supplies i had and found two npn transistors that seemed to be compatible wired them up in my energizer and im getting double the charge i was before and only using 90 ma i can not understand but im using 2 thirds the power i was when i had 1 coil hooked up now i got 2 hooked up:D
the transistors im using are here 2SC2625-T3P-T pdf, 2SC2625-T3P-T description, 2SC2625-T3P-T datasheets, 2SC2625-T3P-T view ::: ALLDATASHEET :::


wizzle 11-25-2007 10:56 AM

Temp OU?
Hey All!
I'm Rod from Ohio. (Please don't hold that against me!)
So far I've built 2 working SGs, one mini and one full sized. The full sized is currently being upgraded with a new rotor & more magnets.

If you all don't mind, I'd like to ask a question. Might be a dumb one, but I just can't seem to figure it out.

First the setup..
Capspan rotor with 8 double stacked neos, 150 ft. of 22 & 26 wire with r60 welding rod core. A 1K ohm (986 actual) resistor on the trigger. The 1 ohm test passed with .16 volts and no NE light up.
Primary bat is a converted 200 watt PSU putting out 12.46 volts.
Charging battery is a worn out 12 volt cordless drill pack showing 3.688 volts.

K...now the good stuff!
Input from PSU....75ma
Output to battery....105ma!
(I've charged up at least a dozen batteries and have never had these numbers)
About an hour or so later....
Charging battery 5.91 volts
Input 87 ma
Output 87 ma?

I load the battery down to 3.60 volts (after an hour of resting) and start charging it again. This time using a 630 CCA 12 volt starting battery on the back end.
Input 80 ma
Output 110 ma.

So the questions is...
What is it about this old drill battery that causes the SG to be in over unity at low voltage?

Thanks in advance!
The cornfused noob!

Sephiroth 11-25-2007 11:49 AM

Hi guys,

Posted a couple of vids on youtube about the bedini motor for beginners.

YouTube - How to Build a Bedini Motor ... Part 1

YouTube - How to Build a Bedini Motor ... Part 2

If you notice any absolutly horrible errors could you let me know and I'll edit the vids before too many people see them!


edit: oh yeah, and some of the images can be found here:
How to Build a Bedini Motor

mrbreau 11-25-2007 03:23 PM

Thanks, thanks, thanks!!!
Since I've been struggling with the Bedini SG for a while and just gathering the required components it was will real pleasure that I viewed your videos to at last learn about how it all goes together! :notworthy: :cheers:

I guess I'm just too dumb to figure out how it is done from all the other recipes.


Sephiroth 11-25-2007 04:06 PM

Glad you liked it :thumbsup:

for my first circuit i built it exactly like the schematic so there were wires everywhere but little by little eliminated them all and ended up with that layout.

wizzle 11-25-2007 05:20 PM

Sephiroth, that was a top notch "how to" vids! :thumbsup:
The numbered wiring was a VERY nice touch. Keep em coming!:)

gabriolaman 11-26-2007 05:53 PM

i came across this neat bedini energizer YouTube - Micro_SG - fastest, lowest power SG on the planet!

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