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Adams Axial Circuitry
#11
I'm aiming for a 1-2mm airgap between magnets and coil cores. If you've spent any time playing with magnets, you'll know that it's in this range where the core becomes, as Robert Adams puts it "in register" with the magnet. So you effectively need to demagnetise the coil core, and that involves having the coils wound in the correct direction.

Just so you better understand, the 6 magnets facing one coil set has a holding strength of 15kg each.
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#12
Well isn't that by reversing input to the coil,  reverses the magnetic polarity 
I see no need for rewind of coils
The trick is to excite a primary and give it somewhere to go
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#13
I can spin the rotor either way, by either biasing the hall sensor or reversing the wiring. However, the winding direction will determine which way is more efficient, and faster. There is a difference.

Yep, I know the trick, I'm already doing it. From putting just 9V into a 3 coil/3 mag/3 coil previous iteration, the same coils were rectified with a 63V 4700uf filter/puffer capacitor and I was seeing 140VDC on the open circuit. All while the top coils were generating 36V in a classical way. I've got volts for days....

If you know any tricks that will help my motor reciprocate please let me know.
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#14
I don't understand the difference either.

Flipping the coil around reverses the winding direction

   

Why the need to rewind?
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#15
Photo 
Hi Jim and unimmortal
If you allow me an intrusion into your discussions, a small, easy to understand example that John Bedini wrote in one of his many books. A picture is worth a thousand words. 
The magnetic field thus generated does not produce the same polarity on the core.


As you can see the electric field and magnetic field are two different things, for the magnetic field it depends on the direction of winding but not for the electric field. Noted that Bedini used the true meaning of current as electronic current.
I hope this can help
Jagau


Attached Files Thumbnail(s)
   
 
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#16
(02-11-2024, 10:48 AM)Jagau Wrote: Hi Jim and unimmortal
If you allow me an intrusion into your discussions, a small, easy to understand example that John Bedini wrote in one of his many books. A picture is worth a thousand words. 
The magnetic field thus generated does not produce the same polarity on the core.
As you can see the electric field and magnetic field are two different things, for the magnetic field it depends on the direction of winding but not for the electric field. Noted that Bedini used the true meaning of current as electronic current.
I hope this can help
Jagau

Thank you Jagau
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#17
I don't understand what you're saying.
All you have to do is reverse the input leads.
Reverse the leads the poles will reverse.
??????
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#18
(02-12-2024, 08:19 PM)Shylo Wrote: I don't understand what you're saying.
All you have to do is reverse the input leads.
Reverse the leads the poles will reverse.
??????

Hey Shylo, yeah it can be hard to get your head around. Put simply, I have to think magnetically what is changing and electrically what is changing and the two must work together. You can change polarity by either winding for the pole you want or wiring the dc for the pole you want. I can't simply flip the coil as there is no where to mount it - the thread holds the heel slug to the plate and the magnet facing end is flush. The winding relatvie to the core is always the same - clockwise or anti-clockwise, it never changes Guests cannot see images in the messages. Please register at the forum by clicking here to see images. . Anticlockwise for north and clockwise for south. With the + on the inside and - on the outside the magnetic field bulds from the core faster and stronger than from outside in - it's why we use cores right?

Having said that, I most likely need to wire from the outside in, as when the switch opens and the reversal occurs I want the core to build that repelling magnet field from the center and emanate out, in order to set up the condition where the magnet is momentarily attracted to a like pole. I'm still trying to picture the flow of voltage v the flow of current in a circuit. My working theory is that a positive voltage applied to a coil initially attracts and aligns copper electrons all the way to ground (causing CEMF in the coil?) before current flows from ground back to positive. And reversal is the electons being forced to change direction while they keep carrying the current back to +.

So that's coil winding, as long as you have the sets wound opposite you can then wire it easily however you like.

Two links that are next to invaluable for anyone looking into pulse motors:

https://waveguide.blog/adams-motor-generator/

https://community.fortunecity.ws/roswell...update.htm
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#19
(02-12-2024, 09:03 PM)unimmortal Wrote: With the + on the inside and - on the outside the magnetic field bulds from the core faster and stronger than from outside in - it's why we use cores right?

Having said that, I most likely need to wire from the outside in, as when the switch opens and the reversal occurs I want the core to build that repelling magnet field from the center and emanate out, in order to set up the condition where the magnet is momentarily attracted to a like pole. 

Yes I see legitimacy here.

If a magnetic field grows from Inside to Outside, the induced magnetic field shall grow from Outside to inside. As the induced current will always produce a magnetic field that opposes the change in the original magnetic field.

The coil's magnetic field will grow from the inside out by making sure you place the hot lead of the supply on the inside lead wire of the coil.

If your motor allowed you to use either side of the coil, then you could wind it any way, as you have the variables to make it work any way you choose because you could flop the input leads, or flip the coil.  But since your design mounts the coils one way, yes I agree winding techniques need to be precise.

Kool stuff.  Gets your mind thinking..
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#20
Cheers Jim.

Just to further add. With voltage and current flowing in opposite directions, this sets up the respective magnet field. When the reversal occurs, voltage and current are flowing the same direction (back to +), and I believe the magnetic field that this creates (and rapidly collapses) has a mirror where voltage and current both flow toward (-).

Has anyone ever heard of current flowing forward to ground? Is there a condition or any theory on how to setup this behaviour?

(02-12-2024, 09:35 PM)Jim Mac Wrote: If a magnetic field grows from Inside to Outside, the induced magnetic field shall grow from Outside to inside. As the induced current will always produce a magnetic field that opposes the change in the original magnetic field.

Thats exactly why I'm wondering about linking coils from either side of the rotor - to act as mirrors. Not sure how that would work, but if they could individually reciprocate each other AND keep the integrity of the coil sets either side of the rotor... hmmm
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