Rodney,
I have tested a bunch of welding rods as a core, but they do heat up, and drag the rotor, the core is about 40mm in diameter, a pretty large core, and the magnet is 45mm in diameter. The welding rods are 2mm welding rods. I even used some straight clips as a core, but it made no difference, they did heat up.
Thanks
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Exactly. You hit the nail on the head.Originally posted by Matthew Jones View PostWire with current on it by itself is inductive. You always have induction if you have a current. Unless you have reverse time. All Lenz tricking is a time reversal, time reversal equals polarity reversal, or no polarity at all.
Matt
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Wire with current on it by itself is inductive. You always have induction if you have a current. Unless you have reverse time. All Lenz tricking is a time reversal, time reversal equals polarity reversal, or no polarity at all.
Matt
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Originally posted by Zooty View PostTheoretically, it might not have much to do with the speed of propagation although i think permeability is important for power return. I think the main mechanism behind the magnetic delay is the coil resistance/inductance. We have seen it work with ferrite and iron which are very different from each other but when the coil is not shorted, there is no effect. Purely theoretical and nothing more.
Good point, but we have to think "does coil really have inductance?" lol If u remove the iron or ferrite, you have air. Inductance went down. If you remove air, you have vacuum. Inductance went down further. If you remove the vacuum...hmmm
Well, at least we still have resistance. lol
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Theoretically, it might not have much to do with the speed of propagation although i think permeability is important for power return. I think the main mechanism behind the magnetic delay is the coil resistance/inductance. We have seen it work with ferrite and iron which are very different from each other but when the coil is not shorted, there is no effect. Purely theoretical and nothing more.Originally posted by quantumuppercut View PostLooks like we have reinforcement from other front line.
From PhysicsProf:
"As mentioned in the first post here, one may add a material M of high magnetic permeability on the Z axis, extending between the loops.
Now the speed of propagation for the changing B field in this material becomes important.
In vacuum, a change in the B field -- that "information" -- will propagate at the speed of light.
But in M, the propagation speed will be less because the dipoles in M must physically move to become more oriented (for an increasing B). This takes time.
Indeed, the magnetic propagation speed may be much less than c.
OK -- to simplify, take a strong permanent magnet and attach it (very rapidly) to the end of a rod made of nanoperm, no, let's make it iron (so that we might find a speed-value in existing literature).
How fast will the B-field from this magnet travel along the iron?
I think this is an important question -- does anyone know if magnetic-field propagation speeds for various materials have been measured?"
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Hi Web000x,Originally posted by Web000x View PostI am interested to see if this is the same professor that wrote the article that I posted to this thread a couple of times. Do you have a link to the professor's literature?
Thanks,
Dave
This is professor Steven Jones. He is JouleSeeker over at OU.com. Maybe you're thinking professor Turtur. We do get professors from time to time, don't we.
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I am interested to see if this is the same professor that wrote the article that I posted to this thread a couple of times. Do you have a link to the professor's literature?Originally posted by quantumuppercut View PostLooks like we have reinforcement from other front line.
From PhysicsProf:
"As mentioned in the first post here, one may add a material M of high magnetic permeability on the Z axis, extending between the loops.
Now the speed of propagation for the changing B field in this material becomes important.
In vacuum, a change in the B field -- that "information" -- will propagate at the speed of light.
But in M, the propagation speed will be less because the dipoles in M must physically move to become more oriented (for an increasing B). This takes time.
Indeed, the magnetic propagation speed may be much less than c.
OK -- to simplify, take a strong permanent magnet and attach it (very rapidly) to the end of a rod made of nanoperm, no, let's make it iron (so that we might find a speed-value in existing literature).
How fast will the B-field from this magnet travel along the iron?
I think this is an important question -- does anyone know if magnetic-field propagation speeds for various materials have been measured?"
Thanks,
Dave
Leave a comment:
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Looks like we have reinforcement from other front line.
From PhysicsProf:
"As mentioned in the first post here, one may add a material M of high magnetic permeability on the Z axis, extending between the loops.
Now the speed of propagation for the changing B field in this material becomes important.
In vacuum, a change in the B field -- that "information" -- will propagate at the speed of light.
But in M, the propagation speed will be less because the dipoles in M must physically move to become more oriented (for an increasing B). This takes time.
Indeed, the magnetic propagation speed may be much less than c.
OK -- to simplify, take a strong permanent magnet and attach it (very rapidly) to the end of a rod made of nanoperm, no, let's make it iron (so that we might find a speed-value in existing literature).
How fast will the B-field from this magnet travel along the iron?
I think this is an important question -- does anyone know if magnetic-field propagation speeds for various materials have been measured?"
Leave a comment:
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looks like we have all be distracted by the EVENT
no new post.
I have some new data i will post today.
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Quite embarrassing to see the chuck key left in the chuck
That's a no no
Ron
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You are building a EV Gray motor You got balls.Originally posted by jackiemac22 View PostNo I have never done any work with Electronics aside from working on automobils witch is far from what i'm into here.
That's why I'm asking for something in great detail on how to asemble the parts I need, so I don't die.
This is the Comutator /switch to drive my motor. this is the closest i'v come to any electronics building.
I started at the other end working on the electronics and electrical system.
the hi voltage is hard to control safely I have many electric shocks to prove it and burnt fingers
the EV gray is one of the true OU devices ever created and I am very excited about you attempt to create a replica.
I have a data base on EV gray i have collected over a period of time you are welcome to.
It was said the last motor EV gay created demonstrated anti gravity phenomena. that was when Cole and gray abandoned the work.
Last edited by toranarod; 08-05-2011, 09:44 PM.
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Originally posted by jackiemac22 View PostNo I have never done any work with Electronics aside from working on automobils witch is far from what i'm into here.
That's why I'm asking for something in great detail on how to asemble the parts I need, so I don't die.
Try that...study the circuit, then build it....all of it! Then when you think you're ready, apply the circuit to a real motor!
After studying this circuit, I modified a few fans.... if the circuit works on a fan, it should work on any electronically commutated motor.
Regards
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You might wanna read this first : http://www.energeticforum.com/renewa...lans-real.htmlOriginally posted by jackiemac22 View PostNo I have never done any work with Electronics aside from working on automobils witch is far from what i'm into here.
That's why I'm asking for something in great detail on how to asemble the parts I need, so I don't die.
and then go through this:
I'd rather build a rotoverter, it DOES work at least )
There is no working "easy-to-make instructions pdfs" out there for any OU device of significant COP (much greater than 10).
Most of it has been suppressed.Last edited by Xenomorph; 08-05-2011, 12:26 PM.
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No I have never done any work with Electronics aside from working on automobils witch is far from what i'm into here.Originally posted by Xenomorph View PostWell the electronics part of it is comparatively simple.
What is it exactly you don't understand?
Have you built electric circuits before?
Just asking, because EMA-4 stuff can fry you easily, if you are not experienced with high voltage circuits
That's why I'm asking for something in great detail on how to asemble the parts I need, so I don't die.
This is the Comutator /switch to drive my motor. this is the closest i'v come to any electronics building.
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Well the electronics part of it is comparatively simple.Originally posted by jackiemac22 View Post
What is it exactly you don't understand?
Have you built electric circuits before?
Just asking, because EMA-4 stuff can fry you easily, if you are not experienced with high voltage circuits
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