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  #361  
Old 08-30-2017, 02:23 AM
Allen Burgess Allen Burgess is offline
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GAP solid state commutator

Look at this "Hybrid Coil" commutator of mine with custom latching Reed Switches: Three channels: Pulse width, BEMF, and CEMF output; Powered by a 12 volt DC fan:

A simple readjustment of the trigger magnets can turn my GAP commutator into a Joe Newman commutator like Miller's.
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  #362  
Old 08-30-2017, 03:04 AM
Allen Burgess Allen Burgess is offline
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Geoffry S. Miller.

@Vidbid,

What did Miller's commutator hook up to? The center contact looks like it might correspond to Art's Porter's proportions?
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  #363  
Old 08-30-2017, 05:57 AM
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Lightbulb Miller

Quote:
Originally Posted by Allen Burgess View Post
@Vidbid,

What did Miller's commutator hook up to? The center contact looks like it might correspond to Art's Porter's proportions?
I'm a fan of Art Porter of Gap Power.

GAP Power, Magnetic Neutralization

https://www.youtube.com/watch?v=u8eZ3YsT8nI

I believe his machines possess overunity capabilities.

However, to me, it's like comparing apples to oranges.

In my view, Newman's latest commutator is super simple.

Miller is a good guy. I have a lot of respect for him.



Notice that his build (the above prototype) lacks Newman's "Copper Shorting Band" so-termed by me.

In the above build, the commutator speed is controlled by an external secondary motor.

However, I'm a traditionalist and a purist, so I like sticking to Newman's design.

The two small discs supply source power.

The singular large disc alternately supplies power to the stator coil.

There you have it.

Sidebar: I, too, am very much interested in upping the rotational speed of the Newman motor, hence, the interest in magnet bearings.
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  #364  
Old 08-30-2017, 03:00 PM
pjotterkjen pjotterkjen is offline
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Commutator

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Originally Posted by maxc View Post
With this commutator I can short the coil out but I noticed that pulls 20 more percent power and slows it down. I order 10 more pounds of wire and I have some high frequency transformer laminates. I'm going to remove the magnet rotor and use a laminate rotor. To beat lenz's law. Also I'm going to put the laminates in the coils.
This is an interesting commutator setup.
I'm just curious, did you include all three segments described by Newman (referring to the FIRE, BLANK, and SHORT segments described in Chapter 9 of his book)?

pjotterkjen
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  #365  
Old 08-30-2017, 03:01 PM
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Disc design

Quote:
Originally Posted by vidbid View Post
The video is still available:

Code:
https://www.youtube.com/watch?v=sZ2-p5Zc8qY
And that image is still there, but blurry:



Anyhow, here's his famous commutator:

Notice how every third section of the commutator shorts the stator coil.



Rest in Peace: Joseph Westley Newman (July 2, 1936 March 6, 2015)

By the way, everybody, you can get his writings from the following link:

http://www.free-energy-info.tuks.nl/BooksDownload.html
Vidbid,
I'm now trying to decide which disc type wound work best or at all. My disc is only 3+ inches wide by 1/2" thick. Not a good flywheel at all. But I want to use the "firing, blank, shorting," segments on the disc design. My segments will not be as small or as many as this picture shows.

I have built the barrel type comm but no shorting segments on it. I followed the design from the complete display that part of is shown above(top).

wantomake
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  #366  
Old 08-30-2017, 03:14 PM
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Capacitor and spark gap?

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Originally Posted by vidbid View Post
Thanks. Much appreciated.



wantomake,

Good points and interesting.

I want to say about the idea of using reed switches. Personally, I don't believe it's a Newman motor if it's using reed switches.

About the BEMF or CEMF, to me, that's the gold in the machine.

To me, the magic happens in the commutator. If you look at Newman's latest videos, take some time and study his commutator.



It looks like Newman has a "continuous" shorted band on his commutator, which I'll be implementing in my commutator design.

For the purposes of constructing a Newman commutator, I have a couple of steel discs that I'm playing with, but I'm thinking about using copper, instead, but I might just use one of the steel discs to prototype with.

I think the majority of people miss the importance of Newman's commutator in the design, and I'm not talking about his book. I believe people need to really watch his last few videos of his motor Big Eureka.

It's really a shame that he didn't explain its workings while he was alive.

Luckily, I think there's enough video segments of its operation that we can piece its construction together.

I believe the most important component in his motor is the commutator, especially, the commutator in Big Eureka.

I believe that's where our attention needs to be.
Hey vidbid,
Could you add a capacitor with a spark gap(at top or bottom) across the coil?

A spark gap is the only way to keep the capacitor from shorting out if connected across the coil.

What do you think?.

wantomake
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  #367  
Old 08-30-2017, 05:08 PM
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To all newman motor update from energybat labs 2017

To All

Geoffrey miller from energybat.com

If you go to Aaron's website and buy my talk about
the Joe Newman's Motor of this years Conference
you will have a lot Questions answered.

Have a great day.

Geoffrey

PS thanks Tom C.












Quote:
Originally Posted by vidbid View Post
I'm a fan of Art Porter of Gap Power.

GAP Power, Magnetic Neutralization

https://www.youtube.com/watch?v=u8eZ3YsT8nI

I believe his machines possess overunity capabilities.

However, to me, it's like comparing apples to oranges.

In my view, Newman's latest commutator is super simple.

Miller is a good guy. I have a lot of respect for him.



Notice that his build (the above prototype) lacks Newman's "Copper Shorting Band" so-termed by me.

In the above build, the commutator speed is controlled by an external secondary motor.

However, I'm a traditionalist and a purist, so I like sticking to Newman's design.

The two small discs supply source power.

The singular large disc alternately supplies power to the stator coil.

There you have it.

Sidebar: I, too, am very much interested in upping the rotational speed of the Newman motor, hence, the interest in magnet bearings.
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  #368  
Old 08-30-2017, 07:11 PM
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Lightbulb

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Originally Posted by wantomake View Post
Vidbid,
I'm now trying to decide which disc type wound work best or at all. My disc is only 3+ inches wide by 1/2" thick. Not a good flywheel at all. But I want to use the "firing, blank, shorting," segments on the disc design. My segments will not be as small or as many as this picture shows.

I have built the barrel type comm but no shorting segments on it. I followed the design from the complete display that part of is shown above(top).

wantomake
Those designs are obsolete. Newman changed how he designed the commutator. Look at the commutator on Big Eureka. That is Newman's latest design.
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  #369  
Old 08-30-2017, 07:13 PM
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Lightbulb

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Originally Posted by wantomake View Post
Geoffrey,
I did purchase the presentation from the conference and you didn't spend enough time on build details. I may have missed something but I'll look at it again.

wantomake
Have you watched the Newman Movie that came out in 2016?
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  #370  
Old 08-30-2017, 07:33 PM
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Exclamation Evidence for the 9 O'Clock Gap

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Originally Posted by vidbid View Post

Newman Motor Commutator Contact on Large Disc Circumference



Newman Motor Commutator3 O'clock Gap on Large Disc Circumference



Possible Schematic or Diagram for Newman Motor Commutator

@wantomake, Thanks.

Let me start out by saying, to me, the first thing of importance is to make the observation.

That's what I do. I observe, and then I try to make an observation.

After I make the observation, then I will attempt to formulate a theory.

I'm not sure what the function of the 3 O'clock Gap is, but I do observe that there is clearly a 3 O'clock Gap there.

As for the 9 O'clock Gap, I'm only speculating that it exists. I don't know for certain that it is there, but I can speculate that if it is there, what then how it might affect the operation of the commutator.

As for the bridges across the commutator contacts, again, that is only speculation. At this point, I can only speculate.

I'm pretty sure that Newman was feeding the fly-back from his coil into his battery at some point. I believe (but I can't prove) that the function of the caps is to catch the fly-back in some way and hold it, possibly, as a buffer.

In one of his videos (I'm not sure which), Newman stated something about keeping the magnetic field in the coil (at least, that's what I believe that I heard.) Would his latest commutator design accomplish that? I believe the answer is Possibly.

Good luck to all who attempt any kind of replication based on Newman's latest work.

At this point, I believe Newman's latest motor works and produces overunity. I believe that the answer has got to be simple. I'm not worried about the Einsteinian theory that Newman embraced and tried to explain. He would have done better just to show how he built the machine, but he didn't with his latest machine.

So we have to piece it together with his videos and images of his latest machine.
I found this image that shows the so-called 9 O'Clock Gap

https://pesn.com/archive/2010/06/30/...o/img_0093.jpg

So, I'll have to update my diagram.
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  #371  
Old 08-30-2017, 07:45 PM
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Saw it.

Quote:
Originally Posted by vidbid View Post
Have you watched the Newman Movie that came out in 2016?
Vidbid,
Yes I watched it and it just infuriated me even more against those suppressive bastards that are killing and destroying the only mother earth we live on. For what? For greed and power over us.

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  #372  
Old 08-30-2017, 11:21 PM
Allen Burgess Allen Burgess is offline
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Art Porter and Joe Newman commutator contrast.

Compare the proportions between Art's scope shot and Joe's commutator ratios below far right: The center photo is Art's semi circular opti-cutter commutator on the far end. 9/16 to 3/16 = 54% and 18% while Art's scope shot reveals 43% and 18%. Joe's blank space equals Art's BEMF space exactly following the power pulse! Very interesting.

Joe is obviously sleeping his BEMF, so any feedback to source has to come from the short section of his commutator:

Both magnet coil and commutator setups qualify as "Hybrid Input, Output" coils. Joe's rotational segment only catches 1/8th of the power coil for output unlike Art's 38% from the direct linear alignment of his oscillator magnet piston.
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  #373  
Old 08-31-2017, 02:01 AM
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Originally Posted by wantomake View Post
Vidbid,
Yes I watched it and it just infuriated me even more against those suppressive bastards that are killing and destroying the only mother earth we live on. For what? For greed and power over us.

wantomake
It's about control.
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  #374  
Old 08-31-2017, 02:06 AM
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Originally Posted by Allen Burgess View Post
Compare the proportions between Art's scope shot and Joe's commutator ratios below far right: The center photo is Art's semi circular opti-cutter commutator. 9/16 to 3/16 = 54% and 18% while Art's scope shot reveals 43% and 18%. Joe's blank space equals Art's BEMF space exactly following the power pulse! Very interesting.

Joe is obviously sleeping his BEMF, so any feedback to source has to come from the short section of his commutator:

Both magnet coil and commutator setups qualify as "Hybrid Input, Output" coils. Joe's rotational segment only catches 1/8th of the power coil for output unlike Art's 38% from the direct linear alignment of his oscillator magnet piston.
Joe is obviously sleeping his BEMF

I like that expression. I'm not sure I know what it means.

I suppose it could mean that the charge in the coil is being conserved.



Interesting.
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  #375  
Old 08-31-2017, 02:51 PM
pjotterkjen pjotterkjen is offline
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Quote:
Originally Posted by vidbid View Post
Joe is obviously sleeping his BEMF

I like that expression. I'm not sure I know what it means.

I suppose it could mean that the charge in the coil is being conserved.

Interesting.
Yes, it sure is!
In my understanding from what is written in the book, the BLANK allows no current to COMPLETE the circuit and thus prevents the current to go back to the input voltage source (all those tiny batteries in series). This prevents the batteries from draining quickly. So, only high voltage pressure is used, and a very short input current as a consequence (but only into the coil). This causes a magnetic field to build quickly, and in the BLANK segment, this field collapses which causes a current TRYING to flow to keep the magnetic field at the same strength. This in turn turns the magnet with a higher force WITHOUT using (draining) the battery.
Then the SHORT segment is there to EXTEND the current flowing, and this lets the magnet rotor turn with an even greater force. Batteries gets part of the BEMF through the commutator and are charged that way.
Timing of these segments is extremely important and Newman says each build has his own tuning or exact timing of these segments with respect to the position of the magnet rotor.

Then the Eureka communtator. This one keeps me puzzling. How did Newman go from the multi segment commutator to the big one with only four copper segments? And, were they interconnected as you think they are?
Geoffrey talks a little bit about it in his presentation. It starts at 51:38. Can anybody tell me what it means when he says "you put a 45 here and a 45 here (on the other side)"? Is he referring to the position of the brushes? Because the small commutator is covered with a complete ring of copper.
Then he says: "you go from 12 to 3 o'clock with a copper strip, and from 6 to 9 o'clock with another strip of copper. Then you connect the small copper ring on the front to one of the strips, and the small copper ring on the back gets connected to the other copper strip. And that's it."
So vidbid, you may want to listen to this, and I guess you will make some adjustments in your design accordingly.
Q: were the other segments (assuming there were four) connected to something? Interesting question. Geoffrey does not answer that one, so maybe he can here? Were they maybe used to flip the voltage polarity, as in the older commutator with the many segments?
Anyways, to my understanding, if Geoffrey is telling the truth, you need to remove the bridges, and connect either A1-A2 or B1-B2 to the small copper rings, as indicated by Geoffrey in the video.
This would allow for me to understand how the big machine can start on it's own. Connecting the voltage in the position where the voltage is applied to the coil would generate the magnetic field, hence a big torque on the magnet rotor through the interaction of the coils's electromagnetic field with the magnetic field of the magnets.
Of course, you will need to add in the big capacitors in your design to suppress the BEMF spike. Seems important to me.

Geoffrey further states in his presentation (a bit before the above mentioned description of the big commutator) that any build that presents an electronic way of pulsing cannot be a Newman motor. He says you need the commutator. I wonder if that is true and I'm planning to find out when I have the 15-C2 (Ch. 6 book) or 22-K1 (p. 67 book) on my bench and getting ready to replace the mechanical (moving) parts with an electronic version.
That is going to be a wonderful journey. I think the combination of Bedini's electronic inventions and Newman inventions together with Babcock's switching technology could well produce an highly efficient small home unit that produces enough energy for daily use, without having to use huge amounts of pounds of wire or lots of PV panels on my roof.

If only they could have gathered together, like the three musketeers, they would have had so much breakthrough power. So now, it's up to us, develop the thing and make it all open source so everybody can build one for his own use.

Can't wait to get going.

pjotterkjen
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  #376  
Old 08-31-2017, 06:26 PM
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Yes, it sure is!
In my understanding from what is written in the book, the BLANK allows no current to COMPLETE the circuit and thus prevents the current to go back to the input voltage source (all those tiny batteries in series). This prevents the batteries from draining quickly. So, only high voltage pressure is used, and a very short input current as a consequence (but only into the coil). This causes a magnetic field to build quickly, and in the BLANK segment, this field collapses which causes a current TRYING to flow to keep the magnetic field at the same strength. This in turn turns the magnet with a higher force WITHOUT using (draining) the battery.
Then the SHORT segment is there to EXTEND the current flowing, and this lets the magnet rotor turn with an even greater force. Batteries gets part of the BEMF through the commutator and are charged that way.
Timing of these segments is extremely important and Newman says each build has his own tuning or exact timing of these segments with respect to the position of the magnet rotor.

Then the Eureka communtator. This one keeps me puzzling. How did Newman go from the multi segment commutator to the big one with only four copper segments? And, were they interconnected as you think they are?
Geoffrey talks a little bit about it in his presentation. It starts at 51:38. Can anybody tell me what it means when he says "you put a 45 here and a 45 here (on the other side)"? Is he referring to the position of the brushes? Because the small commutator is covered with a complete ring of copper.
Then he says: "you go from 12 to 3 o'clock with a copper strip, and from 6 to 9 o'clock with another strip of copper. Then you connect the small copper ring on the front to one of the strips, and the small copper ring on the back gets connected to the other copper strip. And that's it."
So vidbid, you may want to listen to this, and I guess you will make some adjustments in your design accordingly.
Q: were the other segments (assuming there were four) connected to something? Interesting question. Geoffrey does not answer that one, so maybe he can here? Were they maybe used to flip the voltage polarity, as in the older commutator with the many segments?
Anyways, to my understanding, if Geoffrey is telling the truth, you need to remove the bridges, and connect either A1-A2 or B1-B2 to the small copper rings, as indicated by Geoffrey in the video.
This would allow for me to understand how the big machine can start on it's own. Connecting the voltage in the position where the voltage is applied to the coil would generate the magnetic field, hence a big torque on the magnet rotor through the interaction of the coils's electromagnetic field with the magnetic field of the magnets.
Of course, you will need to add in the big capacitors in your design to suppress the BEMF spike. Seems important to me.

Geoffrey further states in his presentation (a bit before the above mentioned description of the big commutator) that any build that presents an electronic way of pulsing cannot be a Newman motor. He says you need the commutator. I wonder if that is true and I'm planning to find out when I have the 15-C2 (Ch. 6 book) or 22-K1 (p. 67 book) on my bench and getting ready to replace the mechanical (moving) parts with an electronic version.
That is going to be a wonderful journey. I think the combination of Bedini's electronic inventions and Newman inventions together with Babcock's switching technology could well produce an highly efficient small home unit that produces enough energy for daily use, without having to use huge amounts of pounds of wire or lots of PV panels on my roof.

If only they could have gathered together, like the three musketeers, they would have had so much breakthrough power. So now, it's up to us, develop the thing and make it all open source so everybody can build one for his own use.

Can't wait to get going.

pjotterkjen
The book is a good starting place, no doubt.

I think a good finishing place is building a Newman motor based on Big Eureka, specifically, the Big Eureka commutator.

There's only two rotating contacts, though, they are segmented. I think that there are about four segments per contact, but then there is the copper shorting band (so-termed by me,) and I see not mention of that in his book, and that would be because it came later, I believe.

So, there's my two cents on it.

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  #377  
Old 08-31-2017, 08:14 PM
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Deleted that post

Quote:
Originally Posted by vidbid View Post
Have you watched the Newman Movie that came out in 2016?
Vidbid,
I deleted that post you quoted. After watching the presentation again, it proves I was wrong to post that statement.

What I saw the second (and some parts third or fourth) time the following:
1. Eureka had a primary and secondary or motor and generator winding.
2. 5 awg winding single winding and 38 awg multi-strand parallel winding on top of the first.
3. Must be large quantity of magnet wire to get Newman Effect. Size and mass matters.
4. Geoffrey says nothing at all about "shorting segments" on either type of commutator. Only that a segment from 12:00 to 3:00 connects to one battery pole. And another segment from 6:00 to 9:00 connects to the other battery pole.

But everyone must come to own understanding of this machine. I'm building a much smaller size that I'm sure will not show the Newman Effect. But to understand how to build something usable this is good practice and insight for myself. I'll never afford a 7000 lb(forgot weight) unit like the Eureka, but want to build a motor/generator size unit eventually. Geoffrey mentioned this also. How to get massive amounts of wire(for Newman Effect) in smaller unit is going to be a challenge. Newman did put a motor size unit in his "red" car.

Just my observations and thinking,
wantomake
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  #378  
Old 08-31-2017, 09:08 PM
Allen Burgess Allen Burgess is offline
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GAP commutator.

The DC fan, latching Reed switch commutator I just finished designing could run any of Joe's motors. It's much easier to relocate the trigger magnets on the tube then it would be to tailor a copper strip. Every individual Newman motor is unique and needs it's own personalized commutator timing arrangement.
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  #379  
Old 09-01-2017, 12:08 PM
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Progress

Vidbid,
Still working on commutator. I picked up good tip from email friend on replication methods. To build parts so that changes can be made if possible. So my disc commutator can be changed to add shorting segments. The bad thing is I'll never get that Newman effect with this desktop size unit. So any tests results may not be helpful to anyone here.

Hope to finish today with that part and move on to wiring the coil to complete the setup.

wantomake
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  #380  
Old 09-01-2017, 07:06 PM
Allen Burgess Allen Burgess is offline
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Split positive

Here's a split positive test:

Newman's "Short" contact on his commutator feeds his source batteries the same way you see me charging batteries below: Aaron states that "It's the voltage differential between the positives", not the power to ground that completes this self charging circuit".

My reverse charging effect neutralization pulse alternator works the same way. One contact short back to to source.

Here's a link to the video: Just fast forward through the dead space:

https://www.youtube.com/watch?v=NzQtyFp_Ghk
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  #381  
Old 09-04-2017, 12:08 PM
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Test will tell

To All,
Happy Labor Day to everyone.

It will be that for myself. Very laborious to get this "desk top" size Newman Machine to a testing stage.

Finished the commutator disc and now mounting on platform next to coil. It looks very "steam punkish" with the copper and white cutting board plastic. I built one barrel shaped and disc shaped so could see which is easier to build, use, and maintain. No not a production engineer, but think it wise to try both.

Not sure yet the wiring/connecting of coil to get motoring and generator production without adding generator coils. Harvesting the "shorted" spikes may not help with this size coil. The coil is 18 strands in parallel. I will test different wiring schemes to see what the "test will tell".

Hey look a delightful cup of coffee in front of me needing a warm up and sipping cause it's cool outside.

wantomake
Edit: The barrel commutator will be used with two coil scheme, while the disc comm will be used with single coil scheme. As per the Geoffrey Miller pdf. The flyback controlled by capacitors.
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  #382  
Old 09-04-2017, 03:51 PM
Allen Burgess Allen Burgess is offline
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Superposition; Two Loop Problem:

http://www.energeticforum.com/redire...%2Fsuppos.html

The power that travels back to the battery from my oscillator is summed algebraically; Therefore, we subtract the source power from the power that's generated in the electro-magnet from the regauging, and the remainder is the charge that replenishes the battery. No power ever reaches the coil from the battery after the first pulse. The second pulse is generated by the magnet coil itself, and the excess passed back to source.

The same relationship applies to the "Newman Motor" commutator short.

The Neutralization Pulse Oscillator is a "Newman Motor" short circuit hybrid. I have reached infinity with that simple a design! The Reverse Charging Effect video is posted above in comment #393.
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Old 09-05-2017, 01:03 PM
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Assembly

The assembly has gone ok. And did get to try a basic machine run.

The multi-strand coil wrap is hard to clean, connect and measure but can be done.

I only used 5 strands of wire to try a machine run. The disc works good. I used brass strips from Lowes as comm brushes. Some small sparks but believe more 9 volt batteries is needed. Don't own a variac so can't use ac then FWBR to dc power source. Like vidbid stated, want to be a purist and use battery power just as Newman did. Back to Lowes for more batts.

wantomake
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Old 09-05-2017, 02:48 PM
Allen Burgess Allen Burgess is offline
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Newman Batteries.

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Originally Posted by wantomake View Post
The assembly has gone ok. And did get to try a basic machine run.

The multi-strand coil wrap is hard to clean, connect and measure but can be done.

I only used 5 strands of wire to try a machine run. The disc works good. I used brass strips from Lowes as comm brushes. Some small sparks but believe more 9 volt batteries is needed. Don't own a variac so can't use ac then FWBR to dc power source. Like vidbid stated, want to be a purist and use battery power just as Newman did. Back to Lowes for more batts.

wantomake
@wantomake,

Remember, Newman's batteries were deader than door nails. The voltage on my 12 volt was down to 8.52 when I performed my oscillator test.

The commutator short "Superposition" charging can't happen if the battery source is higher in power then the output from the coil.
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Old 09-05-2017, 04:56 PM
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????

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Originally Posted by Allen Burgess View Post
@wantomake,

Remember, Newman's batteries were deader than door nails. The voltage on my 12 volt was down to 8.52 when I performed my oscillator test.

The commutator short "Superposition" charging can't happen if the battery source is higher in power then the output from the coil.
AB,
Sorry I'm not familiar with "superposition" charging. Also I'm not using a "short" on my comms yet. As I've posted, this is only a basic machine build to help me to better understand the design and operation of this machine. I'm replicating solely from Geoffrey Miller presentation pdf.

As my knowledge base is low in electronics, electrical, and FE. I can build and still gain understanding in all the above. What I'd give for an engineering background. Like Popeye said, I yam what I yam.

Thanks anyway, I'll try to keep up,
wantomake
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Old 09-05-2017, 09:09 PM
Allen Burgess Allen Burgess is offline
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Originally Posted by wantomake View Post
AB,
Sorry I'm not familiar with "superposition" charging. Also I'm not using a "short" on my comms yet. As I've posted, this is only a basic machine build to help me to better understand the design and operation of this machine. I'm replicating solely from Geoffrey Miller presentation pdf.

As my knowledge base is low in electronics, electrical, and FE. I can build and still gain understanding in all the above. What I'd give for an engineering background. Like Popeye said, I yam what I yam.

Thanks anyway, I'll try to keep up,
wantomake
Superposition merely means higher charge level; Current always travels downhill from the higher charge source to the lower charge destination.
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Last edited by Allen Burgess; 09-05-2017 at 09:13 PM.
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  #387  
Old 09-06-2017, 12:34 AM
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wantomake wantomake is offline
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Vidbid,
How is your build going? I know your commutator is including the "shorting" segment. Any results would be good to read.

Mine aren't encouraging so far. I wound my coil as two separate coils. Top and bottom of the pvc 4" union piece. I wanted to use one coil as motor and the other as generator. But no motoring yet. Using 17 9 volt batteries in series to power the machine. The timing is set. Good contacts on commutator. Only thing can figure is the coil needs to be re-wound.

wantomake
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Old 09-06-2017, 04:09 AM
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Exclamation Progress Report

Quote:
Originally Posted by wantomake View Post
Vidbid,
How is your build going? I know your commutator is including the "shorting" segment. Any results would be good to read.

Mine aren't encouraging so far. I wound my coil as two separate coils. Top and bottom of the pvc 4" union piece. I wanted to use one coil as motor and the other as generator. But no motoring yet. Using 17 9 volt batteries in series to power the machine. The timing is set. Good contacts on commutator. Only thing can figure is the coil needs to be re-wound.

wantomake
Hi wantomake,

Not too much to report.

I think that I'm going to use a flat copper disk as the commutator.

For example: 3" Dia x 1" Thick Copper Round Disk Disc Rod Bar Stock 99.9% Cu

3" Dia x 1" Thick Copper Round Disk Disc Rod Bar Stock 99.9% Cu | eBay

I could center-tap it. Then, slot out the places for the contacts with epoxy holding the contacts and also providing the non-conductive material for the spaces.

I'm still working on my design.

Coils will be provided by microwave oven transformer high voltage coils.

Not sure as to what to make the armature shaft out of. I was thinking fiberglass for its nonmagnetic properties; however, Newman said to use steel hex bar.



For the slip rings, I'm still considering my options. Maybe I can find some off an old motor.



For the magnets, maybe center-hole type Neodymium magnets could be attached to a hex bar shaft.



Anyhow, that's where I'm at.
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  #389  
Old 09-06-2017, 04:11 AM
pjotterkjen pjotterkjen is offline
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Originally Posted by vidbid View Post
The book is a good starting place, no doubt.

I think a good finishing place is building a Newman motor based on Big Eureka, specifically, the Big Eureka commutator.

There's only two rotating contacts, though, they are segmented. I think that there are about four segments per contact, but then there is the copper shorting band (so-termed by me,) and I see not mention of that in his book, and that would be because it came later, I believe.

So, there's my two cents on it.

vidbid,
You may want to review the presentation of Geoffrey.

Geoffrey states clearly that only 12-3 and 6-9 o'clock are interconnected with the small commutator rings, And that's all, he said. So, you may be right about the Big Eureka not having an internal commutator, but if Geoffrey is right (and I'll assume he is) then you need to adjust your drawing.
The two pairs of copper segments were connected through the bridges you draw, but not all four. Something like this: A1-A2 and B1-B2.

The voltage applied by the batteries when the rotor is in one of the FIRE segments will generate a big electromagnetic field which interacts with the magnetic field of the magnets on the rotor and create a torque, hence it starts turning.

So, we would have four FIRE segments and four BLANK segments.
The absence of SHORT segments is because Newman used capacitors that were helpful in suppressing the sparks. No need for complicated commutator design anymore. The capacitors are charged when the coil discharges its stored energy during the BLANK segments. Actually, the coil with the capacitors and the inductive reactance (or resistance when the rotor is not turning) represent a simple RLC circuit.

pjotterkjen
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Last edited by pjotterkjen; 09-06-2017 at 04:13 AM. Reason: correction
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  #390  
Old 09-06-2017, 05:58 AM
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Lightbulb

Quote:
Originally Posted by pjotterkjen View Post
vidbid,
You may want to review the presentation of Geoffrey.

Geoffrey states clearly that only 12-3 and 6-9 o'clock are interconnected with the small commutator rings, And that's all, he said. So, you may be right about the Big Eureka not having an internal commutator, but if Geoffrey is right (and I'll assume he is) then you need to adjust your drawing.
The two pairs of copper segments were connected through the bridges you draw, but not all four. Something like this: A1-A2 and B1-B2.

The voltage applied by the batteries when the rotor is in one of the FIRE segments will generate a big electromagnetic field which interacts with the magnetic field of the magnets on the rotor and create a torque, hence it starts turning.

So, we would have four FIRE segments and four BLANK segments.
The absence of SHORT segments is because Newman used capacitors that were helpful in suppressing the sparks. No need for complicated commutator design anymore. The capacitors are charged when the coil discharges its stored energy during the BLANK segments. Actually, the coil with the capacitors and the inductive reactance (or resistance when the rotor is not turning) represent a simple RLC circuit.

pjotterkjen
I shall give your statements consideration.
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