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Author Topic: Magnet motor in Argentina  (Read 225360 times)

Omnibus

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Re: Magnet motor in Argentina
« Reply #375 on: April 04, 2006, 05:19:36 PM »
Danny, see if this helps: The machine in question works only on the basis of repulsive force of permanent magnets placed properly in a special construction. The rotor has three adjacent magnets with their N poles directed outward, facing the N poles of three of the stator magnets. The fourth stator magnet is raised which allows a net tangential force to be created due to the magnetic repulsion. Said net force is enough to turn the rotor toward the gap (where fourth magnet was to be if not lifted) and to lift through a simple mechanism the fifth stator magnet. The raised fourth magnet descends while the rotor is turning until the three rotor magnets again face three stator magnets, one stator magnet off. At that, fifth magnet is fully raised and the whole above process repeats itself.

As for the raised stator magnet. It will not descend all by itself due to gravity because of the mutual repulsion among magnets which will keep it where it is (raised).

The importance of the cap is to keep down all the rest of the stator magnets, except for the one being raised and the one being lowered. If they are not deliberately kept down who knows where they?d go during the working of the machine ? remember that they mutually repel each other and also are repelled by the rotor magnets.

silverdragonrs

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Re: Magnet motor in Argentina
« Reply #376 on: April 04, 2006, 05:40:47 PM »
possable problem with your image tao..... (probably just me but i thought i should post it anyway...... i understand that the wedge under the north end of the magnet is what causes the lift (i hope this is right)........ if that is true then what is with this picture...... maybe omnibus can explain it i tend to understand your wording of things better....

Omnibus

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Re: Magnet motor in Argentina
« Reply #377 on: April 04, 2006, 05:49:18 PM »
silverdragonrs, you?re quite right. This was one of the points we were discussing. Whether we should go along Torbay?s original design with the beveling you point out or with the small wheels attached frontally at each stator lever and use a ramp to raise them. I think beveling is a better idea but I may be wrong.

jaybird

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Re: Magnet motor in Argentina
« Reply #378 on: April 04, 2006, 05:51:43 PM »
Quote
Tao: After doing about 100 FEMM simulations and FORCE calculations on the rotor I have determined that the rotor has only ONE MAGNET and that magnet is a disc/ring magnet that is MAGNETIZED THROUGH ITS DIAMETER!

 ?I had originally thought this same thing, only magnetized thru its width (just like a speaker magnet) (See reply #11) and that is what I originally experimented with AND what I got the best results with...but I dont have a ring mag that is diametrically magnetized to try.

 ?However I also noticed that all of the speaker magnets I have (mag thru thickness) have a "spot" in them that makes it react like it IS magnetized thru its diameter. Out of 6 Ring magnets I have, I have identified and circled (for past experiments) these "bubbles" that make them react like a Dia. magnetized ring mag....that may be why these were my best results.


Omnibus

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Re: Magnet motor in Argentina
« Reply #379 on: April 04, 2006, 06:01:11 PM »
OK, tao, I see what you mean. It's only that in your picture the beginning of the bevel in the leftmost stator lever isn't seen that well. The view of the bevel on the right-hand side lever on the other hand is obstructed by the construction. This is only a detail, though.

ewitte

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Re: Magnet motor in Argentina
« Reply #380 on: April 04, 2006, 06:02:28 PM »
Whats causing the non rotor magnets to retract again?  Just force from the opposite polarity rotor magnets?

silverdragonrs

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Re: Magnet motor in Argentina
« Reply #381 on: April 04, 2006, 06:04:04 PM »
oh tao i am not saying you made a mistake i am asking howcome the wedge is in the wooden version of Torbay's device but not visable in the photo i posted...... was not emplying anything just asking a question sorry

silverdragonrs

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Re: Magnet motor in Argentina
« Reply #382 on: April 04, 2006, 06:27:36 PM »
this sucks the site keeps booting me and not letting me post.... i lost the post i was just typing as i posted it.... i think it went something like this...

how does the wedge system work.... i wonder if a magnet fixed to the bottom of the rotor n side out running under the lip of the stator magnet "elevating magnet" (i hope i understand what the stator is)........ wouldn't this push the elevating magnet up as well only without friction.

danny

Omnibus

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Re: Magnet motor in Argentina
« Reply #383 on: April 04, 2006, 06:30:01 PM »
Quote
Whats causing the non rotor magnets to retract again?  Just force from the opposite polarity rotor magnets?

The non-rotor magnets (the stator magnets) retract (descend) pushed by the sloping part of the motor cap.  Stator magnets (the levers they're attached on) have small rollers attached to them which help the motor cap to hold them down almost all of the time, except when they reach the opening in the motor cap.

silverdragonrs

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Re: Magnet motor in Argentina
« Reply #384 on: April 04, 2006, 06:43:38 PM »
here is a picture to go with my last reply...... please bare with me i am having trouble with my browser...... (keeps saying the server is busy and closing)

ok this is attempt 8 at this post.....

Omnibus

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Re: Magnet motor in Argentina
« Reply #385 on: April 05, 2006, 02:54:17 AM »
Quote
how does the wedge system work.... i wonder if a magnet fixed to the bottom of the rotor n side out running under the lip of the stator magnet "elevating magnet" (i hope i understand what the stator is)........ wouldn't this push the elevating magnet up as well only without friction.
 

The levers of the stator magnets have slanted bevels which allow a wheel attached to the rotor to lift the corresponding magnet, That?s the essence of Torbay?s design. Someone else here proposed to replace these bevel with small wheels attached frontally at the stator levers and to have a profiled ramp to raise the lever at the appropriate time.

hartiberlin

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Re: Magnet motor in Argentina
« Reply #386 on: April 05, 2006, 03:19:11 AM »
Hi all, sorry for the not responding site and 404 errors, but the last 2 days my forum made 18 GByte traffic per day and only 17 GB are allowed, so it is shut down sometimes per hour.
Probably someone just linked to my big video files.
I am currently just at my PDA posting this and will fix it tommorow. I also already did a few first FEMM simulation, which I will post tommorow. Maybe Tao could please post his Bryce file, cause then I could use it also for a few changes. I am not yet so much used with Bryce to make my own models, but would like to learn it soon. Many thanks.
Regards,Stefan.

Omnibus

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Re: Magnet motor in Argentina
« Reply #387 on: April 05, 2006, 03:24:19 AM »
Tao, I saw your FEMM pictures. Can you make a graph with the stator magnet surfaces concave and three adjacent rotor magnets with convex surfaces facing the stator magnets? This is to compare with the ones you gave with flat surfaces. I wonder if it would make any difference. Thanks.

hartiberlin

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Re: Magnet motor in Argentina
« Reply #388 on: April 05, 2006, 03:26:10 AM »
What is the easiest and cheapest way to make a prototype from a CAD drawing to machined parts ?
Is this Emachineshop or is there a better solution ?
Where can we buy the right magnet for the stators and the rotor ?
If we create maybe a GPL open source Emachineshop file for the motor, every private person can order this design and can easily build his own magnet motor...
 What do you think ?

Omnibus

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Re: Magnet motor in Argentina
« Reply #389 on: April 05, 2006, 03:33:28 AM »
I also thought eMachineShop was a great thing but it seems pretty expensive. I tried it yesterday and even simple details were over $100 a piece. Maybe if we make a large order it will be cheaper for everyone. Also, maybe because I don't know it well yet, it doesn't seem too flexible when trying to draw more complex details. Have you tried it?