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Author Topic: New Stagger Stator PMM Design. Review wanted before construction.  (Read 31231 times)

nwman

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Technical name: Gaussian Flux Motor (GFM).

This is a design that has started its own thread off of ?Working SMOT by Tom Ferko? http://www.overunity.com/index.php/topic,1244.0.html. At the start of that thread Tom posted a video of an experiment he tried using two permanent magnet rails and a ring magnet. Most SMOTs have what?s known as a sticky spot which prevents any energy to be pulled from them. However, this has not stopped a lot of people from trying to figure out a way to do it. Tom tried what is best described as a stagger track. Similar to a V gate but with the rails staggered by half there lengths. This seems to allow the Ring magnet in the video to be pulled in, wave through, and be accelerated out the other side.

In the video below Tom demonstrated the magnet being pulled through and accelerated out the end of the rails. It does not show the ring magnet being pulled into the rails however from Tom?s description of the polarities of the rails the first rail the ring magnet encounters has the opposite poll thus it should pull the ring in. This is an assumption on my part which I am planning on trying to duplicate and test shortly.

Video: http://video.google.com/videoplay?docid=-6531588179303444480

So what does that leave us? Tom in is thread went in one direction with that experiment which they are still trying to make work. I had another idea which I think has some merit. I entered Tom?s thread on pages 30-36 and then decided I needed a thread of my own. I will now repost a condensed version on my current theory.

nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #1 on: April 23, 2007, 08:15:07 PM »
Reproduction:
   I?m currently working on getting all the parts to reproduce the experiment in Tom?s first video. My goal is to see how the ring magnet reacts to the rails through the whole rang of movement through the rails. As shown in the picture below. With the a sitting at rest before the rails and then slowly moving the magnet forward until the magnet is pulled into the rails and accelerated through and out the end. This would practically prove that the magnets are accelerating the magnet and propelling it past the infamous sticky spot. Then I plan to test the following:

1-   How straight of a line can the ring magnet travel? (guides?)
2-   Is there a more optimal layout of the rails?
3-   Can a block magnet on wheels be pulled through verses the ring magnet?
4-   Would a piece of steel instead of the ring magnet/magnet work better?
5-   Can two or more rails end to end still accelerate the traveling object and let it travel free at the end?

Once I know the most optimal configuration I can create I then need to find a way to turn this liner track into something that can be looped.

nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #2 on: April 23, 2007, 08:17:19 PM »
Finishing the loop:

After taking a few baby steps with designs I had in Tom?s thread I came to a design I think has a good chance and is feasible for me to build. My first thought was to simply curve the rails so the magnet affixed to the edge of a wheel or arm could travel through the rails. And if it operated the same as on a linear track it should accelerate the rotation of the wheel enough to spin it back around and into the start of the rails again. This would then theoreticaly accelerate the rotation with every pass. This is probably the simplest version of the design which is show in the picture below.

nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #3 on: April 23, 2007, 08:19:54 PM »
Add More:

The next logical step would be to add more rails and ?rotor magnets? to the wheel to increase the moments of acceleration. First I added a rotor (total of two) shown in the picture above. Then I added two more rails like the picture below. Also, by positioning the rails at the right points a timing can be achieved that has one or more rotors being accelerated at any point when another is traveling through a sticky spot. This will only improve the ability to pass by the sticky spot.

nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #4 on: April 23, 2007, 08:20:39 PM »
Full Track:

Truly the ultimate configuration of the rails is a continuous track of staggered rails around the circumference of the wheel. However this is assuming that end to end rails will act the same as a single rail. I?m not sure how the magnetic fields would interact. Theoretically sets of rails that have space between them should work if anything at all will work. A continuous track of rails would only be an improvement. Below is a simple illustration of a continuous track.

nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #5 on: April 23, 2007, 08:26:05 PM »
Most likely construction:

My current idea of what I want to construct is a three armed (rotors) wheel with four fixed rails (stators) around the wheel as shown in the picture below. With the configuration below at any given point of rotation there should always be two that want to accelerate while one is at a sticky point. Theoretically again with the stagger rails the sticky point shouldn?t prevent the wheel from spinning. Theoretically! But just to make sure, having three is not a bad idea. More is possible too.  If the wheel has an approximate 4 ft diameter it would have a 12.56 ft circumference. If you take sets of Tom?s rails which are around 34? in track length you could fit four sets around the circumference with about 3.68? between the start and end of each rail set. If made much smaller there is a chance the magnets would be too close to each other and the fields may start to change the results. Maybe even bigger might be a better idea?

Rails:

The rails Tom made in his video are made up of (per rail) 13- 1.5? magnets with ?? spacers between them. They are ?? diameter rod magnets. They are held in ?? aluminum channel. The rails are over lapping (staggered) by half there length and angled in on one end. After my reproduction I?ll test as much as I can to find the best configuration which may be Tom?s. I plan to use 2 - ?? diameter x ?? long Neo rod magnets connected end to end to form his 1.5? magnets. I don?t think this should be any different?

Rotor:


Tom used 3- 4.5? diameter x 1? thick ring magnets as his traveler which I hope to replace in the wheel design with a neo bar magnet if it works better on the linear track.

Axle:

I have a custom build axle made with two skateboard ball bearings which is the lowest friction axle I can find. However, it isn?t that stable if you want to build something that is fine tuned and aligned. I found a wheel barrel/ cart wheel at a hardware store that has a fairly low friction ball bearing axle that is bolted with four bolts to the rim of the wheel. The rim can be taken off and I can use the four bolts to securely fix it to the center of my wheel/arms. I would bolt the axle to a thin aluminum plate (preferable a round disc) and then I can drill bolt holes in 120 degree alignment for the three arms. Its probably not quite as friction less but its stable and easy to construct.




nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #6 on: April 23, 2007, 08:28:48 PM »
The Arms of the Wheel:

I think I would use some kind of square tubing for the arms around 1-2? thick. I?m hoping the rotors can travel in a straight line through the rails however Tom?s video shows the magnet wanting to wobble through them. If this is necessary then the rotor magnets need to be able to move a few inches side to side to bounce off the sticky spots. Two ways this can be done is by using some kind of ball bearing track the allows the rotor magnet to slide side to side or in the graphic below a thin piece of aluminum that can bend side to side but not up and down. The rotors path would have a slide arc to it but it would be minimal. The aluminum arm would also try to keep the rotor magnet traveling in as straight of a line as possible. Allowing the magnet to travel side to side would cause some vibration but if it works who cares?

nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #7 on: April 23, 2007, 08:31:44 PM »
Structure:

Now this is where I haven?t figured out how to hold everything in place. My first idea was to build a large aluminum square frame that the wheel would spin inside and the rails would be mounted to the insides of the frame. The hard part is that each rail would have to have an adjustment arm to align it. It would take a lot of custom pieces.
The other idea is to make a large cylinder (4+? diameter, 12+? wide inner surface, 1/8? thick aluminum) that the wheel would be inside and I would mount the rails on the curved insides. This would take a lot of material and bending which is costly but probably would work better. I?ll try to make some graphics of these but its hard to make a three dimensional graphic.

nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #8 on: April 23, 2007, 08:32:34 PM »
What I need from you!

Well, now what I need is support. I will probably have to through a large amount of money at this and I would like to hear what you have to say about the practicality of the design.

Is it worth the money or is it a shot in the dark?

Is there anything I should improve or change to save cost or to make it work?

On a scale of 1-10 do you think it would work? 1 being no and 10 being I?m going to be rich!

I just want to hear what you ALL have to say?


nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #9 on: April 23, 2007, 09:08:06 PM »
Here is something I also have been throwing around. I'm not sure how the magnetic fields would change if you where to bend the sticky spots of the rails away from the exit point. Just a thought? Any comments?

Tim

pese

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #10 on: April 23, 2007, 09:13:01 PM »
.

Pese

pese

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #11 on: April 23, 2007, 09:15:09 PM »
Here is something I also have been throwing around. I'm not sure how the magnetic fields would change if you where to bend the sticky spots of the rails away from the exit point. Just a thought? Any comments?

Tim

The "Idea" is good.
But :

#1 and #9  will not work.

Pese

nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #12 on: April 23, 2007, 09:21:35 PM »
What are you referring to by #1 and #9? If it was my last post then there is only # 1-6. And if you could elaborate on why they wont work? Thanks,

Tim

d3adp00l

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #13 on: April 23, 2007, 11:39:32 PM »
Get the flat one done and put up a video. Then see about a single rail curved one, crude just to check it out. And then we'll see about funding.
You know my thoughts on the design.

nwman

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Re: New Stagger Stator PMM Design. Review wanted before construction.
« Reply #14 on: April 24, 2007, 12:00:20 AM »
Thanks d3'

The ring magnets should show up this week and I hope the 3/4" ceramic disc magnets work for the rails. The company I want to buy the Neos from is moving and can't ship until May 14th so I will have to wait until then if I need to use them.

Tim