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Author Topic: Working Magnetic Motor on you tube??  (Read 1194996 times)

Offline CLaNZeR

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Re: Working Magnetic Motor on you tube??
« Reply #1740 on: January 25, 2008, 01:08:59 PM »
@ Clanzer
It will be interesting to see your wind down test results with the identical alloy that Al is using, compared to the aluminum. 

Hi Bruce

I am cutting a standard base for this test and it is on the CNC machine as I type :)

Will then do a wind down with out the Dampners and 3 stators.
With normal stock alluminium bar Dampners and 3 stators
And with correct Dampners and 3 stators.

Cheers

Sean.

Offline RunningBare

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Re: Working Magnetic Motor on you tube??
« Reply #1741 on: January 25, 2008, 01:53:46 PM »
Just a reminder of tachometer readings given by AL
Rotor: 1250 RPM
Stator 5000 RPM

The stroboscope is set to 4620 pulses per minute
The 3rd video appears to give a rotor speed of 1155 RPM, thats only 95 RPM difference from ALs tachometer reading of 1250
So taking this into account, I think we can safely say the tachometer readings and stroboscope are fairly consistant.


Offline Omnibus

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Re: Working Magnetic Motor on you tube??
« Reply #1743 on: January 25, 2008, 03:13:40 PM »
 This is not what I see in the first video. The effect kicks in around 1:35 into the video. After the effect shows itself he places the laser spot on the AGW stator and says it?s going 4200rpm but the readout isn?t seen to show that. Then he again places the laser spot on the AGW stator the readout now showing first 1248rpm then some erratic number 1.8 or something, then  1248rpm again, again an erratic reading :1 P and finally 2860rpm followed by gibberish once again and 1248rpm the third time. In words he?s saying ?the little magnet is going 4200rpm? but that never shows on the readout. He mentions interaction of the fluorescent light and 1700rpm referring to the AGW magnet which again isn?t seen on the readout.

After stopping the two stators measuring the AGW stator he indeed says ?almost 5000rpm? but the tachometer measuring the AGW stator reads 4131rpm.

Not only the measurement seen in the video is messy but at no point measurement of the rotor rpm seems to occur.

Offline CLaNZeR

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Re: Working Magnetic Motor on you tube??
« Reply #1744 on: January 25, 2008, 03:20:19 PM »
Well as close as I can get to the original Rig for the Wind Down tests.

Got to shoot out now, but will fire her up later and post the results.

(http://www.overunity.org.uk/ocpm/nnewb1.jpg)

Cheers

Sean.

Offline CLaNZeR

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Re: Working Magnetic Motor on you tube??
« Reply #1745 on: January 25, 2008, 03:37:58 PM »
ummm just realised I layed up the stators as per jdo's cad drawing, but I think it may be wrong.

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

Cheers

Sean.

Offline RunningBare

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Re: Working Magnetic Motor on you tube??
« Reply #1746 on: January 25, 2008, 03:45:56 PM »


After stopping the two stators measuring the AGW stator he indeed says ?almost 5000rpm? but the tachometer measuring the AGW stator reads 4131rpm.

Not only the measurement seen in the video is messy but at no point measurement of the rotor rpm seems to occur.

Are you so sure it's not 4731 RPM?

(http://cosmopod.com/mysite/barefm/op/rpm.jpg)

Offline Omnibus

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Re: Working Magnetic Motor on you tube??
« Reply #1747 on: January 25, 2008, 04:43:36 PM »
Like I said, the measurement in @alsetalokin's first video is messy and no advocacy can save it.

Offline Bruce_TPU

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Re: Working Magnetic Motor on you tube??
« Reply #1748 on: January 25, 2008, 05:00:01 PM »
Well as close as I can get to the original Rig for the Wind Down tests.

Got to shoot out now, but will fire her up later and post the results.

(http://www.overunity.org.uk/ocpm/nnewb1.jpg)

Cheers

Sean.

Thanks Sean, looking forward to it.  I think it will be different, using the alloy over the pure Aluminum.  We will see.  ;)

Cheers,

Bruce

Offline Omnibus

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Re: Working Magnetic Motor on you tube??
« Reply #1749 on: January 25, 2008, 05:12:38 PM »
@CLaNZeR,

Seems to me not only the dampers have to be around the stator equidistant from the other two stators but the first video shows that one of the dampers is closer to the stator than the other damper, not as in the picture you showed here.
« Last Edit: January 25, 2008, 05:52:48 PM by Omnibus »

Offline evil-doer

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Re: Working Magnetic Motor on you tube??
« Reply #1750 on: January 25, 2008, 05:50:10 PM »
ummm just realised I layed up the stators as per jdo's cad drawing, but I think it may be wrong.
Cheers
Sean.
wow, that drawing IS wrong. is that how youve had yours set the whole time? you can see in the original video theres the 4 empty pegs between the two stators he stops. will be interesting to see how that affects things

Offline vipond50

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Re: Working Magnetic Motor on you tube??
« Reply #1751 on: January 25, 2008, 06:20:52 PM »
Sean
Besides the Drawing being incorrect i.e. the stator layout, are U using Brass screws to retain the dampers instead of Nylon or Plastic?

Other than that it looks great  ;D

Good Luck
Bill

Offline vipond50

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Re: Working Magnetic Motor on you tube??
« Reply #1752 on: January 25, 2008, 06:27:23 PM »
@CLaNZeR,

Seems to me not only the dampers have to be around the stator equidistant from the other two stators but the first video shows that one of the dampers is closer to the stator than the other damper, not as in the picture you showed here.

Sean
Besides the Drawing being incorrect i.e. Stator layout, are u using brass to retain the Dampers instead of Nylon or plastic ?

Other than that the rep looks Great  ;D

Good Luck
Bill

Offline vipond50

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Re: Working Magnetic Motor on you tube??
« Reply #1753 on: January 25, 2008, 06:34:10 PM »
@CLaNZeR,

Seems to me not only the dampers have to be around the stator equidistant from the other two stators but the first video shows that one of the dampers is closer to the stator than the other damper, not as in the picture you showed here.

Sean
Besides the Drawing being incorrect i.e. Stator layout, are u using brass to retain the Dampers instead of Nylon or plastic ?

Other than that the rep looks Great  ;D

Good Luck
Bill
Also did U base your rotor layout off of Jason's drawing or the original Mea's provided in the PDF?

Thanks again
Bill


Offline blue_energy

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Re: Working Magnetic Motor on you tube??
« Reply #1754 on: January 25, 2008, 06:39:36 PM »
Is there any indication of acceleration/deceleration on this video?

I'm very interested in the answer to this question too.  For you smart video people:

In the third video, with the strobe, we apparently see the stator very consistently turning around: no adjustment in speed for the stator magnet relative to rotor magnet.  No acceleration/deceleration.  But - we know that in reality the stator has spun around - what did you settle on, 9 times?   As I think this through, the relationship between the actual speed of the stator and the apparent relative speed of the stator should remain constant.  If the stator slows down, it's strobed image on the video should apparently slow down as well.  Is my reasoning sound here?  Is there any reason to believe that by some trick of the lens the stator is doing anything but keeping to a consistant rpm throughout it's revolution?