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Introducing... The Adams Axial
#51
Continuing on, I've reconfigured to split pulse and generator coils on their own rotors. A healthy ~40VAC from each of the 4 coils sets. I'm chasing 240V (mains), so still about 6V short on each coil.

As a thought bubble and on the back of Jim Mac's alternator experiment, I fired up the signal generator, picked up the pulsing frequency from the multimeter and matched it with the same frequency on a single coil. It seemed to work a little. Volts increased by 1-2V, the motor 'loaded up' but no change to input power draw.

From the signal generator > diodes > coil < multimeter across the same coil to view ouput. Not very scientific, but it has given me a few ideas. Input voltage from the signal generator was between 12-18V, and if the frequency was conflicting you would see a drop in voltage across the coil. Funny enough, around 50hz was a sweet spot where the effect could be sustained.


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#52
Well this is a bit of a mixed bag post, but I feel I finally have a configuration that holds promise. Credit in part goes to Jim Mac, as this is a similar configuration to one of his experiments.

Ok, it's new scope day and now with eyes to see - I've set up the following as per the first pic:

Generator coils are offset 30 degrees, CW wound coils are stacked together separate to the CCW coils - the cores also have had the centre bolt removed so there is a bit of flux I'm missing out on . Rotors are both North facing in. This a very soft tune with lots of airgap (~15-20mm) as I'm still working on the exact balance across magnets and cores.

So the results:

Input: 36V, 11.7W, ~2000 rpm 

Output for one coil (of 12): 12.2V open, 8.7V @ 0.25A shorted


What I'm investigating is better shown in the second pic, whereby a magnet with the same polarity passes under and over the coil stack creating the North repel, South attract and feeding that into the previous or next coil. I've found that even with the same polarity magnet top and bottom, all coils MUST have the same coil winding direction, otherwise the fields are cancelled.

For reasons I don't understand yet, I'm losing voltage and amps as I connect coils, but 0.25A is a good start with this setup.

Last pic is the wave forms from the two coil sets (before re-wire) on the new scope.


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#53
Good morning,  Congrats on the scope!  

I take no credit for your work.  I am not the first to look into Polyphase, nor the last.  And I hope you can unravel more than I have as of yet Guests cannot see images in the messages. Please register at the forum by clicking here to see images.

I see your 2 coil sets are stacked on top of each other.  When taking a load from both, I assume they will mutually induce while being induced by the rotors.  It can get very intricate and nuanced trying to figure out exactly how the 2 waves will add vectorially.  The phase relationships and exact timings will have heavy implications on output numbers.

Honestly your generator is pretty complex and there is no instructions to accomplish what we seek..

Welcome to No-Mans Land!
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#54
Thanks Jim!

Yes, as a whole it is complex. The intent has always been to make a portable(ish) device that can also be used as a testing bench, and all of the different configurations I've been through up until now have been about low input, removing cogging and generating volts - something I feel I've been quite successful with.

Wiring this for current however, will be its own rabbit hole, as there are so many possible combinations... lots of experimenting to come to better understand how loads will interact with the coils and the rotors. The gut feeling I have is I need to keep two coil sets in a constant state of tension to obtain current - and that comes from knowledge of the torus and the horizontal rotating field that is responsible for keeping the equilibrium we are trying to break...

Edit:
With 6 coils wired in series for voltage (CCW) and 6 in parallel for current ((CW) - both stacked as mentioned earlier, and a 36V/0.38A/11.7W input - I'm getting back 34V/0.995A/34.4W spinning at 1900rpm. Voltage and current measured off of their respective coils at the same time. Current is shorted at the DMM.

The required current input of 0.38A is available with only 10V/0.3A.... and this is a soft tune.
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#55
Ooh boy we're getting close now. Due to the cancelling effect of the offset coils, I have the bottom set (CW) connecting to each other in series - but you must wire inside to inside, outside to outside to negate cancellation. Add in to that a single parallel coil from the top (CCW) and voila we have volts and current within the same circuit (as shown below). Connecting the 5 remaining coils in parallel in this manner has me up over an amp in output.

This is where it gets tricky - I can't get voltage and current if I connect DMMs to the same spot in the circuit.

More experimenting to come.


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#56
Keep it simple stupid

After trying a myriad of wiring configurations, it occurred to me I was getting too much North field into the coils from each side. So leveraging a waterjet cut washer between the coils, the North fields are absorbed by the washer resulting in a better output.

With 3 coils (of 12) wired in series I'm generating 36V open, .25A shorted, 11.7w consumed, 9w output, and no change in input. This is still without the 13mm thread cores and a large airgap. 3 coils in parallel returned 12V /.75A.

50V is easily achievable as shown in my previous configurations. However this time I'll have the current to support it. So I expect quite a speed up from my usual input of 36V max.

Robert Adams used heel slugs to move the coil further into the North field, using the same idea but partnered with the Joe Cell neutral plate method, there is now North fields converging and folding back over the coils to get the South field end of the coil. 

I need to experiment with some metal shields around the coils to help guide the flux from the washer to the other side of the coil.

Hopefully I'll be able to post a video soon.
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#57
Leading question, why when you switch AC current, does it increase?

I've put the cores back in the coils, closed up the airgap a little and am now getting back 42V from 3 coils in series. Current is around 330mA shorted. I'm still hunting for another 80-100mA to achieve input parity.

So as most would know, a multimeter measuring volts across a coil drops right off when you put a multimeter measuring ampere across the same coil. Well, if you switch (or in this case rapidly tap) the lead measuring current, the current increases - and not by a little. After manually playing with this for a bit, I could sustain 500-600mA and peaked at over 900mA! 

Now at ~40V and 900mA (although even more may be available with a mechanical switch), this is far beyond the 13W I'm consuming. Current will of course go up as I add in the other 9 coils, but I'm getting the feeling I'm no longer lacking current or voltage  Guests cannot see images in the messages. Please register at the forum by clicking here to see images.

More to come...
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#58
Continuing from the last post. Attached is the coil and washer setup I was working with. Switching those three coils mentioned previously saw a 3 fold increase in volts and amps. I'm not going to wire in the other 9 coils at this stage as I need to find a way to mount them in that 2-4mm airgap zone.

In the meantime I've wired up a couple of bifilar coils.

In parallel they give me back an amp or so shorted, 18V open with a cost of 12.5W

In series they hit 36V open and 550mA shorted for a little over 10W input.

All good results (OU), so efficiency is there, BUT, those equilibric forces described in Lenz's law still exist, and haven't been negated. Efficiency can make you think you are further ahead than you really are.

After seeing a post lately with a radial pulse motor, I feel like I need to move to a radial output stage. Reason being, those hidden forces can be controlled and leveraged, however the Axial is simply too dense and layered to bias (with my current knowledge level). 

So next steps are to come up with a radial rotor that can mount magnets or coils, but be driven axially.


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#59
As a final test I'd been looking for a simple way to verify mechanical switching and found a standard relay would do what I'm looking for.

Using a hall sensor to trigger a FET to switch the relay to open the generator coils worked an absolute bloody treat at low speed. With an operation time of 25ms it was never going to be more than a test, but those silver alloy contacts simply removed lenz completely. It was as if the DMM that was shorting all 6 coils wasn't in the circuit at all. 

Thank you Robert Adams.


The next steps are a bit more involved...but, with all of my previous testing I am definitely in striking difference of mains power and mains current (240V@10A) in something portable.

Larger washer between coils, with threads turned in to mount the coils. This will also give me some meat to hold the coils from the side so as to minimise airgap
Aluminium backing/end plates with inset bearings
Aluminium frame/connecting rods
4 ignition point sets, 2 for pulse, 2 for generate
Ignition points with silver tipped contacts (wish)

I can't think of anything simpler or more well tested to do high rpm with.

More to come...


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#60
Oh that poor little relay...

Here's a really rough video of the relay doing it's magic. Both Volt and Amp DMMs are connected to the same output. Coils are 3 in series + 3 in series joined together by the inside winding. 

Video starts with the coils already shorted, and as you'll see it takes a little bit to find the sweet spot. Input is just over 16V, so it's still idling compared to the 30-36V it really wakes up at - but that relay gives up pretty quick when output volts are over 40.

Keep in mind that this is only half of the output coils and the airgap is around 10mm. The way I've designed it, the motor will run better with all 12 coils and when the airgap is closer to 3mm!

https://youtube.com/shorts/6Cc-akT1rIA?s...0l0vsxLlqz
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