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Author Topic: Squared Newman motor, Can it works?  (Read 25852 times)

Magnethos

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Squared Newman motor, Can it works?
« on: August 09, 2008, 11:57:50 AM »
I want to know if I build a 'squared' Newman motor if the motor will work ok or not.
When I mean squared newman motor I mean this:
http://www.youtube.com/watch?v=amoa5gosGzA

Of course, the video shows a homemade simple electric generator but I want you see the video to have an idea of what I mean.

Could a newman motor work with that configuration (in a squared instead of a circular configuration)?
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khabe

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Re: Squared Newman motor, Can it works?
« Reply #1 on: August 09, 2008, 04:46:27 PM »
Of course and even better (when square magnets or axially magnetixed cylind. magnet(s).
When circular configuration then magnet need to be ball-mode or radially magnetized disk magnet (or curved end(s)).
And when sphere magnet then spherically wound windings are the best.
I have no idea why nobody does like that.
khabe

added picture - this is the best choice,
The same could be done when radially magnetized disk or ring magnets.
Square or ... what you use here like axial cyl. - then you have to choice or axial machine or radial machine.
« Last Edit: August 09, 2008, 05:23:32 PM by khabe »
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khabe

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Re: Squared Newman motor, Can it works?
« Reply #2 on: August 09, 2008, 05:57:25 PM »
Sphere 50 mm
http://www.neotexx.com/  item # K-050-N
Dimension: D50mm / Volume: 65450mmł
NdFeB Magnet in N40 (1.29 Tesla)
Magnetized Direction: through 50mm
Coating: Nickel
Max. Operating Temperature: 80?C
 
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khabe

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Re: Squared Newman motor, Can it works?
« Reply #3 on: August 09, 2008, 09:07:37 PM »
Ring 50 - 30 x 10mm diametral
Dimension: D50xd30x10mm / Volume: 12566mmł
NdFeB Magnet in N40 (1.29 Tesla)
Magnetized Direction: through 50mm (diametral)
Coating: Nickel
Max. Operating Temperature: 80?C
 item # R-050-D-30-010-N
http://www.neotexx.com/
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khabe

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Re: Squared Newman motor, Can it works?
« Reply #4 on: August 09, 2008, 09:26:22 PM »
Radial version.
Used 5 x ring magnets
Ring 50 - 30 x 10mm diametral
Dimension: D50xd30x10mm / Volume: 12566mmł
NdFeB Magnet in N40 (1.29 Tesla)
Magnetized Direction: through 50mm (diametral)
Coating: Nickel
Max. Operating Temperature: 80?C
 item # R-050-D-30-010-N
http://www.neotexx.com/

Useful part of windings = rotor lenght (50mm)
Upper and lower sides ;-)

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khabe

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Re: Squared Newman motor, Can it works?
« Reply #5 on: August 09, 2008, 09:29:30 PM »
The same but upgraded version,
See rotating outer back iron, flange for and plastic housing/frame helps to fix windings from on one side (fixed to face bearing holder)

Regards,
khabe
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futuristic

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Re: Squared Newman motor, Can it works?
« Reply #6 on: August 09, 2008, 09:43:56 PM »
I once built square version:
(http://lh4.ggpht.com/kfrenky/RfQSE7vUM5I/AAAAAAAAAAk/TvKYUJguzkY/s800/IMG_2655.JPG)

More photos:
http://picasaweb.google.com/kfrenky/NewmansMotor
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Magnethos

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Re: Squared Newman motor, Can it works?
« Reply #7 on: August 09, 2008, 09:45:58 PM »
Very interesting info. I don?t know why people do always the same experiment... and again and again...
They can build the motor with other configurations and see what happens.

Personally, I want to mix bedini and newman motor.
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khabe

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Re: Squared Newman motor, Can it works?
« Reply #8 on: August 09, 2008, 10:17:57 PM »
And simple Axial version. I would prefer X-mode wound coils (A-a = 180 degrees) (for all models ;-) - not parallel like original Newman does but OK,
When X-mode wound then also multipole rotor is possible and why not the same number of coil pairs ;-)
You can now compare what kind of version has more useful winding area  ::)
It seems that Sphere does, then comes long radial  :-\ For axial I prefer also back irons - just two nickel-iron disks on both sides
as close to windings as possible. Or rotating soft iron wheels  :o

Regards,
khabe
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Magnethos

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Re: Squared Newman motor, Can it works?
« Reply #9 on: August 09, 2008, 10:22:26 PM »
The last seems to be the best one. I thought in a similar motor as you as drawed. But the magnet are like in the bedini motor, something like this
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Magnethos

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Re: Squared Newman motor, Can it works?
« Reply #10 on: August 09, 2008, 10:23:33 PM »
Like this, sorry
(http://img132.imageshack.us/img132/1308/p1000666na1.jpg)

But it's very interesting your schematic. Do you think that newman motor will work if you put the magnets in front of the rotor instead of the sides of the rotor?
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khabe

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Re: Squared Newman motor, Can it works?
« Reply #11 on: August 09, 2008, 10:36:47 PM »
Quote from: Magnethos on August 09, 2008, 10:23:33 PM

But it's very interesting your schematic. Do you think that newman motor will work if you put the magnets in front of the rotor instead of the sides of the rotor?

Mhh? All I drawed does work, if you follow correctly. I dont understand what you mean.
Do you mean the last one? It is axial flux machine, see direction of flux of each magnets. One is NS, another SN,
Magnets could be squares as well, restangles, segments ... Both magnets are one-piece magnets!  :o

khabe

PS:

Bedini has the same pole magnets? N.N.N.N.N.N ... ? Then you can not use this kind of rotor for Newman!
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Magnethos

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Re: Squared Newman motor, Can it works?
« Reply #12 on: August 09, 2008, 10:43:50 PM »
Quote from: khabe on August 09, 2008, 10:36:47 PM
Mhh? All I drawed does work, if you follow correctly. I dont understand what you mean.
Do you mean the last one? It is axial flux machine, see direction of flux of each magnets. One is NS, another SN,
Magnets could be squares as well, restangles, segments ... Both magnets are one-piece magnets!  :o

khabe

PS:

Bedini has the same pole magnets? N.N.N.N.N.N ... ? Then you can not use this kind of rotor for Newman!
Sorry for the few that I know, but yes is the last one, the axial flux machine. And of course, I haven't seen at the pole magnets.

The newman motor runs on volts, not on current
The bedini motor has a good shape and speed, so...
I was looking how to merge the 2 motors, and now I know how can I do it thanks to you.
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Magnethos

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Re: Squared Newman motor, Can it works?
« Reply #13 on: August 09, 2008, 10:58:00 PM »
@futuristic

Yes, something similar but your motor is Bedini Window Motor. I want to merge bedini and newman.
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Magnethos

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Re: Squared Newman motor, Can it works?
« Reply #14 on: August 09, 2008, 11:01:13 PM »
@khabe

Yes, something like this:
(http://img292.imageshack.us/my.php?image=sinttuloef3.jpg)
http://img292.imageshack.us/my.php?image=sinttuloef3.jpg
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