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Author Topic: Parallel Path Magnet Motor  (Read 58383 times)

tbird

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Re: Parallel Path Magnet Motor
« Reply #30 on: September 22, 2010, 03:02:21 PM »
scianto,

just to be clear, how are the magnets set next to the coils?  are the poles like or opposite?

also, are you planning to run test without the magnets?

tom

scianto

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Re: Parallel Path Magnet Motor
« Reply #31 on: September 22, 2010, 07:50:44 PM »
just to be clear, how are the magnets set next to the coils?  are the poles like or opposite?
They are NS-SN-NS-SN-NS-SN-
also, are you planning to run test without the magnets?
Yes, I want to do that. With this motor I cannot take them out because they are supporting the stator. So I need to ask my friend to make metal blocks of the same size -- it depends on him, when he will find time to do that.
Thank you, tom.

scianto

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DC mtor runs PPMM
« Reply #32 on: September 26, 2010, 02:07:47 PM »
This test may also be interesting to you. Here the setup was reversed, this time a DC motor runs one of my parallel path magnet motors working as an alternator:
http://www.youtube.com/user/scienculo?feature=mhum#p/a/u/0/OyUbSddKcms

leo48

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Re: Parallel Path Magnet Motor
« Reply #33 on: September 26, 2010, 07:58:01 PM »
This is an electric motor to PP built about two years ago has a couple very strong
and a low rpm and absorbs only 28 watts.
But it is not overunity.
http://www.youtube.com/watch?v=PL8KvOXWuWU
Leo48

scianto

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next test
« Reply #34 on: October 03, 2010, 03:10:38 PM »
Continuing the testing and increasing the efficiency. Now up to 84%, that is, compared to previous 67%, increase by 17%.
100% approaching fast :)

Any suggestions?

http://www.youtube.com/watch?v=f8W1n5fPLa4

FatChance!!!

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Re: Parallel Path Magnet Motor
« Reply #35 on: October 04, 2010, 12:12:42 PM »
My regular Magmotor S28-400 also gives 84% efficiency. Nice but no big deal.

I really think you need to invest in some large design improvements to reach
better efficiency or just check whether the magnets do any useful work or not.

Step 1) Replace the magnets with fitted SiFe steel pieces and remake the tests.

Step 2) Get big powder core toroid's and mill out the same shapes & pieces to fit the motor.
           Then wind the motor with multi stranded Litz wire instead of regular round wire.
           Make the tests and notice the efficiency improvement.

Are you using tight airgaps between the rotor and stator. A thumb rule is 0.1-0.2mm airgap.
I've seen motor tests where 25% torque was lost at 0.2mm compared to 0.1mm airgap.



scianto

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Re: Parallel Path Magnet Motor
« Reply #36 on: October 04, 2010, 08:03:35 PM »
My regular Magmotor S28-400 also gives 84% efficiency. Nice but no big deal.
I agree, it's hopelessly low. Normal solid state circuit where you pulse the motor coil gives me 96% efficiency (the shaft is not turning).

Step 1) Replace the magnets with fitted SiFe steel pieces and remake the tests.
Step 2) Get big powder core toroid's and mill out the same shapes & pieces to fit the motor.
I already told my friend about it, he said he will do that with next model. I don't know when he finds time. Since I have no machines to do it myself, I must wait for him.

Are you using tight airgaps between the rotor and stator. A thumb rule is 0.1-0.2mm airgap.
Well when I look at the distance between the rotor and stator it seems to me it's really large, maybe 1 mm.

FatChance!!!

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Re: Parallel Path Magnet Motor
« Reply #37 on: October 05, 2010, 08:06:07 AM »
Well when I look at the distance between the rotor and stator it seems to me it's really large, maybe 1 mm.

Thanks for all your answers. I guess we will have to wait for him to help you out.
Regarding the airgap you should try keeping this as small as possible in your next model.
No more than 0.2mm if possible.
Good luck. I will patiently wait to read about your progress.

scianto

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Re: Parallel Path Magnet Motor
« Reply #38 on: October 05, 2010, 08:41:13 AM »
Thanks for your support FatChance!!!.
I am experimenting with what I have and trying different setups, solutions, implementing different ideas etc. And there is a lot to check. Until my friend is ready with a new device, I have plenty of things to try. Hopefully it will give us something usable.

BTW, to all reading this, if you have any PPMT device and if you are willing to lend it to me, so that I can make tests on it; please, contact me.

scianto

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Bobik

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Re: Parallel Path Magnet Motor
« Reply #40 on: October 23, 2010, 11:19:34 PM »
Found massive collection of information about parallel path tech!

Look here:
http://www.001-lab.com/001lab/index.php?topic=1406.0
Sadly posts are in russian but you could use Google Translate.

Most interesting post is this:
http://www.001-lab.com/001lab/index.php?topic=1406.msg20300#msg20300
Tens of patents!!!

Tried to read other posts of this guy on the forum and looks they
are beating him to half death and noone is really commenting
the patents and stuff. Just beating and saying to go away.
Extremely strange.

What do you think?

scianto

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Re: Parallel Path Magnet Motor
« Reply #41 on: October 24, 2010, 02:15:39 PM »
Thanks for that resources. For me it is interesting to see information based on experimenting. I am studding it using web translator.
I am still working with my models but until my friend makes mechanical improvements to my motors or/and I find not neodymium magnets of the right size, I am limited in things that I need to check.

scianto

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Parallel Path Magnet Motor but without magnets
« Reply #42 on: October 30, 2010, 12:57:08 PM »
Version 5 under testing, just starting, using weaker magnets. But first, what is interesting, the Parallel Path Magnet Motor works well even without any magnets. In this case it is Switched Reluctance Motor.
This is what you've suggested me -- thanks.

Three short films:

http://www.youtube.com/scienculo#p/a/u/2/95Mnqhys0YU

http://www.youtube.com/scienculo#p/a/u/1/78wkLsIJZL8

http://www.youtube.com/scienculo#p/a/u/0/Z-fp_K-Zy74

FatChance!!!

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Re: Parallel Path Magnet Motor
« Reply #43 on: October 30, 2010, 05:04:38 PM »
Have you measured motor performance without using the magnets?

scianto

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Parallel Path Magnet Motor version 6
« Reply #44 on: November 03, 2010, 10:11:44 AM »
I removed big magnets from the stator and inserted small ones. Before one magnet was 2x2x3 cm, now it is a round one 1.5 x 2 cm only. This makes a huge difference, the motor can be run on 1 V and 0.1 A that makes 0.1 W.
SRSM6 motor runs from AAA battery. And, I need to hold the shaft very strong to stop it!

See yourself these two short videos:
http://www.youtube.com/watch?v=f3taHe7Fsxg (may be still converting)
http://www.youtube.com/scienculo#p/a/u/0/3sH2-I8jTng