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Author Topic: Working Magnetic Motor on you tube??  (Read 1328957 times)

crash_uni8

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Re: Working Magnetic Motor on you tube!!!
« Reply #195 on: January 08, 2008, 01:54:43 AM »
well this a very interesting video....
lets see....

i noticed that the back stator magnet has less effect on main wheel than the 2 close stator magnets when he spins them in his video.
this could be a slight design flaw...but it might be important!

working with magnets you find that even a 3mm difference in distance with such small magnets equals a lot more or less magnetic force.

the aluminum bars also seem to have some effect on the magnetic flux patterns and not so much a braking effect.
maybe this is part of the key to solving the sticky spot situations with other designs.......

besides the poor lighting and not a full view of this...
it's either the best fake in a while or the real thing...don't get your hope up yet.

Bruce_TPU

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Re: Working Magnetic Motor on you tube!!!
« Reply #196 on: January 08, 2008, 04:20:34 AM »
well this a very interesting video....
lets see....

i noticed that the back stator magnet has less effect on main wheel than the 2 close stator magnets when he spins them in his video.
this could be a slight design flaw...but it might be important!

working with magnets you find that even a 3mm difference in distance with such small magnets equals a lot more or less magnetic force.

the aluminum bars also seem to have some effect on the magnetic flux patterns and not so much a braking effect.
maybe this is part of the key to solving the sticky spot situations with other designs.......

besides the poor lighting and not a full view of this...
it's either the best fake in a while or the real thing...don't get your hope up yet.

@ Crash

I made the same observation and mentioned it today to JDO300 (Jason)  He thought that the reason for less effect of the back stator, when Al was turning each one by hand, could be the effect of the dampners on both sides of that stator.  I agree.  If the distance to the rotor and the back stator is identical as the other two stators, and the magnet is identical on the back stator, which it is, then Jason's conclusion seems reasonable. 

I believe that Al stated that the dampers were added later to slow the RPM's,  (What a great problem to have to overcome!! ) so it is not needed to run..

Lastly, if you read all of the posts, it is an incredible story with a great ending, which is really a new beginning.  IMHO.  Very soon, and Jason will have a detailed set of replication cad drawings, and we can go to town on this project.  I am slowing my other projects (not quitting them!  ;) ), just for this, because of the importance of replication, etc.

Cheers,
Bruce

rotorhead

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Re: Working Magnetic Motor on you tube!!!
« Reply #197 on: January 08, 2008, 04:39:43 AM »
Is everyone waiting for magnets?

Jdo300

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Re: Working Magnetic Motor on you tube!!!
« Reply #198 on: January 08, 2008, 06:25:26 AM »
Hi Everyone,

OK, I FINALLY finished the 3D model with all the bells and whistles. I modified the rotor disk dimensions to fit the measurements given by Al. I am now working on drawing up some dimensioned drawings from the 3D model and will be posting those soon. In the mean time, here are a few photos of the model I made.

By the way, I also ordered some magnets from K&J Magnetics today so I'm in as well  :).

God Bless,
Jason O
« Last Edit: January 08, 2008, 09:23:55 PM by Jdo300 »

robbie47

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Re: Working Magnetic Motor on you tube!!!
« Reply #199 on: January 08, 2008, 09:14:28 AM »
I noticed that the back stator magnet has less effect on main wheel than the 2 close stator magnets when he spins them in his video.
this could be a slight design flaw...but it might be important!

Have a look at the marvelous 3D pictures of Jason.
As you can see there are 8 rotor magnet and 13 stator magnet positions.
It could well be that the top stator magnet of the video is not moving as fast as the lower 2 because of its position w.r.t. the stator magnet at this particular rotor position. So asymmetry could also contribute to be the reason.
Intreging stuff those dampers, I must admit.

hartiberlin

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Re: Working Magnetic Motor on you tube!!!
« Reply #200 on: January 08, 2008, 09:49:17 AM »
Hi All,
a  I am on vacation and have only slow PDA access and can not see the video, please can somebody post a few screenshots of the video  as Jpeg pics less than 30 Kbytes ?
Where is that damper located and are these magnets in the rotor slits and can they move there ?

Omnibus

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Re: Working Magnetic Motor on you tube!!!
« Reply #201 on: January 08, 2008, 10:24:54 AM »
Hi Stefan,

The rotor magnets are fixed while the three stator magnets rotate. Roughly, what he does is after  several attempts he manages to synchronize the rotor with one of the stators (the starting procedure isn't still clear to me--he says it's a result of a mistake he made; I think @CLaNZeR understands it better than anyone at this point as far as I can tell) which causes the rotor suddenly to accelerate spontaneously from several hundred to over one thousand rpms. The interesting things don't end here, however. At a certain moment he stops by hand two of the three rotating stator magnets and the rpms increase even further to about four to five thousand rpms. He says he has seen it run in this manner, without external energy supply, for  three hours after which is stops for hitherto unknown reason. The video ends abruptly after several minutes of spinning because, he says, his camera got out of memory. At first I dismissed it out of hand because it isn't a self-starter but then I saw the above and that really caught my interest. This is similar to the Lego motor idea but the Lego appears to be a self-starter (and of course no details about the Lego are known so that we can replicate it). It was pointed out earlier and I agree that this is in fact Searl motor idea. It is in this instance, however, openly demonstrated for others to reproduce it. Sorry can't post stills right now but they won't tell much. You've got to see the video. Jason's rendition is excellent and you can get the idea about the construction. The dampers at this point seem to be of secondary importance and are just additions to stabilize the spin at high rpms with not much of a role at low rpms. This is very briefly the situation the way I've understood it so far.

Lakes

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Re: Working Magnetic Motor on you tube!!!
« Reply #202 on: January 08, 2008, 11:47:13 AM »
Hi Jason

What CAD software are you using please?

Great work!

ebswift

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Re: Working Magnetic Motor on you tube!!!
« Reply #203 on: January 08, 2008, 12:16:37 PM »
Hi Jason, very nice drawing.  Regardless of any pre-existing images, going from the top image of yours and comparing to the video, it looks like the stator on the lower-right needs to go up one notch.  Both non-dampened stators should be located in the centre of two of the rotor magnets whilst the dampened stator should be exactly in-between two of the rotor magnets.  The dampened stator would then be exactly in-between the other two stators with a count (inclusive) of three rotor magnets to each non-dampened stator from the dampened stator.
« Last Edit: January 08, 2008, 01:41:11 PM by ebswift »

plasmasd

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Re: Working Magnetic Motor on you tube!!!
« Reply #204 on: January 08, 2008, 01:26:40 PM »
Oops I didn't notice that when I went off Jdo300 model and created my own. Oh well, easily fixable.

I just did a simple fly around animation sketchup for people on youtube that might want to see what it looks like from different angles.

http://www.youtube.com/watch?v=lei5_IPtLXU

CLaNZeR

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Re: Working Magnetic Motor on you tube!!!
« Reply #205 on: January 08, 2008, 01:51:14 PM »
Thanks to Oak for some extra pictures.

This one may help abit Jason regards the Axle:

(http://www.overunity.org.uk/ocpm/al10.jpg)

Cheers

Sean.

robbie47

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Re: Working Magnetic Motor on you tube!!!
« Reply #206 on: January 08, 2008, 01:56:45 PM »
Both non-dampened stators should be located in the centre of two of the rotor magnets whilst the dampened stator should be exactly in-between two of the rotor magnets.  The dampened stator would then be exactly in-between the other two stators with a count (inclusive) of three rotor magnets to each non-dampened stator from the dampened stator.

That should be investigated further since Al mentioned following on that at the Steorn forum:

I haven't used the Dremel in a long time, not since the positioning trials for the magnokinetic Judson dampers.

Having in mind that he originally used this setup with 13 stator magnets with the intended holes already in there, Al has obviously tweaked around more on different positions of his dampers.

CLaNZeR

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Re: Working Magnetic Motor on you tube!!!
« Reply #207 on: January 08, 2008, 01:58:55 PM »
Is everyone waiting for magnets?

Just started making the Stator holders this end, but waiting for the magnets :(


CLaNZeR

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Re: Working Magnetic Motor on you tube!!!
« Reply #208 on: January 08, 2008, 02:14:47 PM »
Quote from: robbie47
I haven't used the Dremel in a long time, not since the positioning trials for the magnokinetic Judson dampers

A while a go I built a Dremel Rig too spin up Rotors as below.
Now I use an air compressor, less noise and much safer  ;D ;D
(http://www.overunity.org.uk/DremelRig.jpg)


sterlinga

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Re: Working Magnetic Motor on you tube!!!
« Reply #209 on: January 08, 2008, 05:33:14 PM »
http://www.freeenergynews.com/Directory/MagneticMotors/OC_MPMM/BW/SenseCoil.png - "Pic of the sensing coil that was use in some of the testing. Also it give excellent detail of the Judson damper." (B.W.; Jan. 7)

Added to http://peswiki.com/index.php/Directory:OC_MPMM_Magnet_Motor#B.W._Files