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Author Topic: Any one tried to use Adams idea to get over sticky spot?  (Read 19483 times)

Craigy

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Re: Any one tried to use Adams idea to get over sticky spot?
« Reply #30 on: December 02, 2006, 01:23:08 PM »
here is my shielding attempt , more is on the torbay thread

Craigy

CLaNZeR

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Re: Any one tried to use Adams idea to get over sticky spot?
« Reply #31 on: December 02, 2006, 01:54:35 PM »
Nice work Craigy, look forward to seeing more.

Have been playing with different stepper motors attached to wheels the last few days and my conclusion is that they need too much torque to be of any use in charging the Cap enough to then energise another coil.
If I had a bigger, heavier wheel then I think the force would be very different, but I am gonna stick to me little wheels for now while I am playing as scaling up will take too much time.

I am still thinking also on the lines of the two cogs idea for experiementing and appreciatte what people are saying about the shield being attracted to the static magnet, but also am thinking that if the spacing is correct then the neutral line idea kicks in maybe?

http://www.overunity.com/index.php/topic,1757.0.html


Regards

Sean.


Craigy

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Re: Any one tried to use Adams idea to get over sticky spot?
« Reply #32 on: December 02, 2006, 03:13:32 PM »
You idea is novel, and i believe that attraction to shield is not a bad thing.
The neutral spot is hard to get at when we are talking about just 2 flat magnets with a plate in the middle. Here we have the shield entering a highly fluctuating magnetic field. There are multiple magnets each with a different field and added to that they are mounted in a circle best i can do on my torbay is an approximation.

But for all of that, if we introduce attraction , or introduce a shield to disrupt the normal flow of events at the right moment, even for a fraction of an instant, this might be the solution.

I have an idea , that is related in part to the torbay shield. Now as the rotor gets to top dead centre where the sticky spot is, we show it some shield, That Shield will attract the rotor to it. My theory is, if you do that action quickly enough, by having the shield sprung so that it returns to its parking spot , the disruption in the sticky mecanics will be such as to break the sticky spot.

Am i making sense or going crazy?

Craig

CLaNZeR

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Re: Any one tried to use Adams idea to get over sticky spot?
« Reply #33 on: December 02, 2006, 09:07:26 PM »
Craigy mate, your as Crazy as me, but I think that is a good thing!!!!!!

I like the idea and if you had seen some of the things I have been doing latley you would laugh ya socks off, but my Kidz know I am mad and deep down I reckon they like it!!!

Keep up the good work, oneday we might just hit on summit by accident!

Regards

Sean.


You idea is novel, and i believe that attraction to shield is not a bad thing.
The neutral spot is hard to get at when we are talking about just 2 flat magnets with a plate in the middle. Here we have the shield entering a highly fluctuating magnetic field. There are multiple magnets each with a different field and added to that they are mounted in a circle best i can do on my torbay is an approximation.

But for all of that, if we introduce attraction , or introduce a shield to disrupt the normal flow of events at the right moment, even for a fraction of an instant, this might be the solution.

I have an idea , that is related in part to the torbay shield. Now as the rotor gets to top dead centre where the sticky spot is, we show it some shield, That Shield will attract the rotor to it. My theory is, if you do that action quickly enough, by having the shield sprung so that it returns to its parking spot , the disruption in the sticky mecanics will be such as to break the sticky spot.

Am i making sense or going crazy?

Craig

Craigy

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Re: Any one tried to use Adams idea to get over sticky spot?
« Reply #34 on: December 03, 2006, 12:55:17 AM »
Hi Clanzer, its going to be one of those weekends when the mother in law comes around and i can't complete what i so desperately want to complete.
So far i have started to test other materials as "Shields" although i don't like that word, i think standard steel will do the job i want. The Shields from the harddrives were used to test the concept, since if that material didn't work then nothing would probably work.


Let me elaborate on my theory of why attraction is not a bad thing, when using a repulsion motor.
We all know that when you get to the end of the track the rotor bounces off of the sticky spot.
Assuming the the rotor is made up of many magnets the ones on the leading edge are the ones that encounter the sticky spot. The ones behind are all happily following on behind and as far as they are concerned they are still following the down hill gradient in flux. Like water down a water fall.
Now at the end of the line, or last bit of track or last repelling magnet we encounter the "Wall" that begins to brake the magnet and finally bounce it back the way it came.
If that braking force is 100% of the kinetic energy obtained in  the run up to the sticky spot then if we reduce the braking by 10% we would get Rotation! i.e. Flashing a bit of leg ..er i mean steel at the rotor would produce moments of attraction which in turn would reduce the braking efficiency

The Law of Magnetics according to Craigy , This was a thought experiment.

But i like it LOL



 

CLaNZeR

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Re: Any one tried to use Adams idea to get over sticky spot?
« Reply #35 on: December 03, 2006, 11:51:51 AM »
Darn Mother in laws hehehe, do they not realise we trying to save the world here? LOL  ;D

Can see what you are saying about using attraction to accelerate through the sticky point, so are you leaning towards having the shield being attracted to the rotating magnets as the sticky point comes around rather that using the shield towards the static magnets to displace the field?

I did try this in a round a bout way on one of my spiral wheels, by simply changing the first two magnets to face South outwards and left the rest of the spiral of magnets with North facing out, but the attraction was enough to stop the wheel dead when it cam around. Now using some sort of shield that would be there briefly to add the attraction and then remove it at the right time could work.

Regards

Sean.


 

Hi Clanzer, its going to be one of those weekends when the mother in law comes around and i can't complete what i so desperately want to complete.
So far i have started to test other materials as "Shields" although i don't like that word, i think standard steel will do the job i want. The Shields from the harddrives were used to test the concept, since if that material didn't work then nothing would probably work.

Let me elaborate on my theory of why attraction is not a bad thing, when using a repulsion motor.
We all know that when you get to the end of the track the rotor bounces off of the sticky spot.
Assuming the the rotor is made up of many magnets the ones on the leading edge are the ones that encounter the sticky spot. The ones behind are all happily following on behind and as far as they are concerned they are still following the down hill gradient in flux. Like water down a water fall.
Now at the end of the line, or last bit of track or last repelling magnet we encounter the "Wall" that begins to brake the magnet and finally bounce it back the way it came.
If that braking force is 100% of the kinetic energy obtained in  the run up to the sticky spot then if we reduce the braking by 10% we would get Rotation! i.e. Flashing a bit of leg ..er i mean steel at the rotor would produce moments of attraction which in turn would reduce the braking efficiency

The Law of Magnetics according to Craigy , This was a thought experiment.

But i like it LOL



 


Craigy

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Re: Any one tried to use Adams idea to get over sticky spot?
« Reply #36 on: December 04, 2006, 06:27:20 PM »
Hi all,

After many experiments and construction i have discovered a small fault in my shields.In the photo above i was using a chunk of harddisk shielding, i then went about making up 4 shields out of steel.
My concept is valid i believe but i have now got rid of all of the steel. the idea works if you only have one shield ,and the rotor is under magnetic tension. But when you add more and more shields the steel is upsetting the flux to much. Reducing the effect and it produces sticky spots in areas that didin't have sticky spots LOL. I had made the shield or "Attractors" about 100 times too big.
I have now changed the shields for ali, so that i can still use the guides that i made for the steel ones. These ali plates or shields move up and down just as the others made of steel. but with one small difference...

To be continued
 

Craigy

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Re: Any one tried to use Adams idea to get over sticky spot?
« Reply #37 on: December 05, 2006, 04:08:09 PM »
Hi Clanzer and All

I emailed Western Digital about hard disk drive shielding and this was the their reply to the question what is it?:

aluminum substrate, coated with a magnetic surface manufactured by Komag, Fuji, or Showa.

Well something for google,

Cheers

Craig

CLaNZeR

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Re: Any one tried to use Adams idea to get over sticky spot?
« Reply #38 on: December 05, 2006, 04:12:57 PM »
Hi Craigy

I think they are on about the Platters not the shield

Pop in Google aluminum substrate + Hard Drives.

Regards

Sean.

Hi Clanzer and All

I emailed Western Digital about hard disk drive shielding and this was the their reply to the question what is it?:

aluminum substrate, coated with a magnetic surface manufactured by Komag, Fuji, or Showa.

Well something for google,

Cheers

Craig


allcanadian

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Re: Any one tried to use Adams idea to get over sticky spot?
« Reply #39 on: December 07, 2006, 07:41:10 AM »
I was thinking about the adams motor "again" and had an interesting thought. Take a horseshoe magnet and inbetween the poles put a DC motor armature, now the motor should turn when power is applied to the armature- it will attract and replel the PM field. The motor could be made very efficient with a pulsing input, maybe 90 percent if done right-- so it would be near unity 100 percent.
Here is where it gets weird, when the armature is in attraction the whole PM field travels through it, in repulsion none of the PM field travels through the armature--so what happens if the DC motor armature in repulsion was also used to switch the PM field to another coil nearby as in my picture. The armature is still repelled but the PM field is also redirected completely to the external coil, so if the DC armature work out is equal to the electrical input to the armature then the second coil output must drive it to 100 percent or better effeiciency.
Better yet, what happens when the DC armature has no load attached? thus can do no work.- and armature output is based on electrical input remember?
Very strange indeed.