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Author Topic: Working Magnetic Motor on you tube??  (Read 1236730 times)

Offline MeggerMan

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Re: Working Magnetic Motor on you tube??
« Reply #1620 on: January 24, 2008, 12:47:58 AM »
@Jason,
I think the best way to monitor the dynamic rotation of the stator is to use the optical encoder wheel from a mouse mounted atop the stator.
You can even use the sensor from the mouse with the wheel and no drag.
Regards
Rob

Offline Bruce_TPU

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Re: Working Magnetic Motor on you tube??
« Reply #1621 on: January 24, 2008, 01:17:16 AM »
Hello All,

I have received my N35 magnets today and did my separation test, in a clear tube.  I tested six times, three times with one pair of magnets and three times with another pair of magnets.

N35 Separation:
28.5 mm = N35 magnets

Al's Separation:

30.5 mm = ?

N42 Separation:
34 mm = N42

I think N37 or N38 are the next ones to order and test. 

@ Omni
Did you order either of these sizes?  Has anyone else?

My bearings did not arrive today, hopefully tomorrow.  Also my machined parts should arrive by Friday.

@ Clanzer
I am interested in you damper test when you have received the identical material that Al used for dampers.  If there turns out to be a difference between Al's material, and the Aluminum we are all using, we will need to switch this to the same material as well.

Cheers,

Bruce

Offline Omnibus

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Re: Working Magnetic Motor on you tube??
« Reply #1622 on: January 24, 2008, 01:24:26 AM »
@btentzer,

I ordered both N38 and N35 but am still waiting for them to arrive. The observation you present is very interesting. We should really try to keep the parameters as in the original.

On another note, do you know who made this simulation. If I remember correctly you posted it at one time: http://www.geocities.com/deasyart/steorn/OC_sim_one_stator_a.JPG What I'm curious is what is the stator to rotor field strength ratio used and at what ratio the effect ceases to appear.

Offline Omnibus

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Re: Working Magnetic Motor on you tube??
« Reply #1623 on: January 24, 2008, 02:30:30 AM »
@btentzer,

Can you measure the separation between NN as well as SS. There's a difference with mine. Recall also the data I posted several pages back, the kgauss weren't the same on both poles.

Offline crash_uni8

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Re: Working Magnetic Motor on you tube??
« Reply #1624 on: January 24, 2008, 02:41:27 AM »
does anyone know a simple way to make the 3 stators? :-\
i haven't a clue right now....

Offline Bruce_TPU

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Re: Working Magnetic Motor on you tube??
« Reply #1625 on: January 24, 2008, 02:41:53 AM »
@btentzer,

I ordered both N38 and N35 but am still waiting for them to arrive. The observation you present is very interesting. We should really try to keep the parameters as in the original.

On another note, do you know who made this simulation. If I remember correctly you posted it at one time: http://www.geocities.com/deasyart/steorn/OC_sim_one_stator_a.JPG What I'm curious is what is the stator to rotor field strength ratio used and at what ratio the effect ceases to appear.

Sorry, I can not remember.  I saw it on one of the many Steorn threads about the OCAL Motor.

@btentzer,

Can you measure the separation between NN as well as SS. There's a difference with mine. Recall also the data I posted several pages back, the kgauss weren't the same on both poles.

I am not sure the "practical" way to do the requested test.  Give me a guide line and I will give it a go in my next spare moments.

Cheers,

Bruce

Offline Omnibus

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Re: Working Magnetic Motor on you tube??
« Reply #1626 on: January 24, 2008, 02:50:16 AM »
@btentzer,

Schematically it should be like this:

Measure the separation in this way first

S
|
|
|
N
separation to be measured
N
|
|
|
S

and then this way

N
|
|
|
S
separation to be measured
S
|
|
|
N

With my magnets which are supposedly N42 the first measurement gives something on the order of 27mm while the second measurement gives 33mm for the same pair of magnets.

Offline Bruce_TPU

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Re: Working Magnetic Motor on you tube??
« Reply #1627 on: January 24, 2008, 03:06:18 AM »
Gotcha.  Thanks!

I will post it tomorrow evening.  Right now my paint is drying.  I painted all of the North half's.   ;)

Cheers,

Bruce

Offline georgemay

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Re: Working Magnetic Motor on you tube??
« Reply #1628 on: January 24, 2008, 04:14:56 AM »
Not sure if anyone noticed:

ALSETALOKIN

Can you spell it backwards? :D

Offline geodan

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Re: Working Magnetic Motor on you tube??
« Reply #1629 on: January 24, 2008, 05:01:33 AM »
 ::)

Offline vipond50

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Re: Working Magnetic Motor on you tube??
« Reply #1630 on: January 24, 2008, 05:14:51 AM »
Not sure if anyone noticed:

ALSETALOKIN

Can you spell it backwards? :D

Nope & Nope
Daaaa  ;D

Offline MeggerMan

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Re: Working Magnetic Motor on you tube??
« Reply #1631 on: January 24, 2008, 09:15:19 AM »
Hi Omni,
Never thought of trying the two different orientations.
I will do the same test and show the  results.
I have N42 1/4"OD x 1/2" rods and N38 6mm OD x 2mm discs (6 of these to make up the 1/2" - almost).
N38 spacing was about 28mm but I will do all the tests again and ask Al to do the same.
Also I will do the stator to rotor magnet test, Al did this too but could not remove the bearing.

Regards
Rob

Offline hartiberlin

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Re: Working Magnetic Motor on you tube??
« Reply #1632 on: January 24, 2008, 12:24:13 PM »
Hi,
I have not studied all the pages over here,
but what I have seen so far and from my own experience
a pure permanent magnet motor with just permanent magnets
without iron in it will not work.

I don?t know, if Al?s video is a fake or not,
but seeing his second video, where he throws
his dissassembled motor into the trash bin
makes me wonder, what character he really is...

For those of you, who have the magnets now and parts,
maybe you can now easily convert this to a Helmut Goebkes
type motor,
which I posted sticky over here,
as I think this still is the only way how to get a permanent magnet
motor working with the right amount of iron metal in it:


http://www.overunity.com/index.php/topic,3979.0.html


Offline Bruce_TPU

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Re: Working Magnetic Motor on you tube??
« Reply #1633 on: January 24, 2008, 02:04:32 PM »
 ??? ??? ???


(snip)
For those of you, who have the magnets now and parts,
maybe you can now easily convert this to a Helmut Goebkes
type motor,

(snip)


 ??? ???

With all due respect Stefan, if after 6 months, working on this, and no one sees anything of interest, nor any acceleration, nor any continued running with increased times, I would move on. 

But people have already seen the above and many of us are just now getting our parts.  No one has the correct rotor magnets, yet, IMHO.

So to think of taking all of our equipment, that cost a chunk of change and starting another project with it, at this time, makes no sense to me.

I read what you wrote at youtube about this motor, and I know that you think it is faked, but I do not, for too many reasons to list here first thing in the morning.

Warm regards,

Bruce

Offline CLaNZeR

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Re: Working Magnetic Motor on you tube??
« Reply #1634 on: January 24, 2008, 06:19:01 PM »