Marko Rodin Coil -- 007 Device

[Dog-One]

Okay if I understand you then from the diagram L1 is say six wires in parallel all part of the Litz wire twisting.  That really just means that the six wires look like one conductor, and the skin effect is reduced at high frequencies.  I am honestly not sure at what frequency the skin effect comes into play but I assume that there are charts out there that show skin effect vs. wire diameter as it affects the wire resistance per unit length.

Yes, each bundle contains 12 strands of 23 AWG mag wire, approximately 30 feet in length.  The bundle is twisted at a ratio of one turn per 1.5 inch.

For L2, you show an even number of wires.  That would cause total cancellation of the inductance, so I will assume that it is an odd number of wires.  When you factor in the cancellation effects, then L2 ends up looking like a single pass through the "bird's nest" but with five or seven times the amount of resistance compared to a single pass.  Let's assume for the sake of argument that there are five wire passes through the bird's nest.

And that assumption was identical to mine at first, but incorrect.  There is an even, symmetrical distribution of the wires and one would think as you have stated, a complete cancellation.  But as we can see, this is not the case.  How induction is happening in this coil is beyond my understanding.  I can guess as well as anyone else, but the only semi-reasonable one I can come up with is that there are two forms of induction happening here--magnetic and electrostatic.  My guess here is that one of them must propagate faster than the other, or be dominant to the other.

I also do not understand the purpose of the "copper core"--even count of strands, half of the total, shunted together at each end.  What this does?  No idea.  You may note when Russ was initially playing with these wires, he managed to rapidly heat the coil up, which is why he now has a thermal probe attached for monitoring.

For the amplifier, I think it is a bass amplifier for a bass guitar.  The amplifier will probably tolerate a DC resistance of 4 ohms but here is where it looks like Russ is off track because presumably he will be working more with both impedance and resistance.  If he uses the Rodin coll as a 1:1 transformer and has a load higher than four ohms and excites the coil at a high enough frequency then the DC resistance of the primary should not be an issue.  If he just drives the coil with no load for a test, then as long as the frequency is high enough the impedance will be higher than four ohms.

As far as the amplifier itself goes it depends on what type of amplifier it is.  I am not familiar with all of the different amplifier classes so it's hard for me to comment.  However, knowing that it is an amplifier for a bass guitar, I am going to assume that it is very tolerant of reactive loads and will not flinch when the load pushes current back into the amplifier.  In that sense the amplifier is acting like an AC ideal voltage source.

The good news here is this particular amp seems to have an accurate clipping indicator that Russ is using to prevent overload, though he has mentioned at least twice now that he can smell something getting hot in his little work space.  He specifically purchased this amplifier on the basis 007 had the same kind.

For the output power supply accepting 2000 volts input, not sure what that is all about.  However, it sounds to me like a simple step-down transformer would come in handy here.

We know this custom power supply is some sort of switching power supply with a high input capability.  How it differs from an off-the-shelf Universal Input PSU is unknown at this time.

As far as a load goes in general, I would think that using big power resistors would be the smartest route to go.  This assumes that they will look like a nearly pure resistance when driven at a reasonably low AC frequency.

I can't say.  007 told Russ he needed to run LEDs for the output load or the special PSU.  He specifically mentioned diodes.   I was thinking if you can make a voltage multiplier with diodes and caps, can you change things around some and make a voltage divider from those same components as well?  Surely 007 gave Russ some kind of hint by mentioning diodes.  We'll have to poke around and find a lead somewhere before diving into this aspect I suspect.

Russ indeed needs some time and people should not push him, he has a full life on his plate.  At the end, let's hope he presents good data.

He's been pushing himself hard to this point and will be going on vacation for a week in a couple of days.  I know he really wanted to have enough under his belt to chew on in his mind while on vacation.  I think he has mostly accomplished that, best I can tell.  He's open for comment and criticism as long as it is constructive.  Probably best to not overwhelm him and just take a small piece at a time and give him a chance to make the needed corrections.  I think this is actually a really good OpenSource research project.  Everyone should be able to learn a little something if they have an interest and are willing to accept none of us know it all, but understand together we can know an awful lot.

[tinman]

And some more:

https://www.youtube.com/watch?v=JrH0pfOUSRI

Interesting that the analog meters agree with the scope,showing more out than in.
But how accurate are those analog meters under those conditions?

Do you have a direct link to the thread in question Dog-One?
I probably missed it


Brad

[tinman]

Yes, each bundle contains 12 strands of 23 AWG mag wire, approximately 30 feet in length.  The bundle is twisted at a ratio of one turn per 1.5 inch.


And that assumption was identical to mine at first, but incorrect.  There is an even, symmetrical distribution of the wires and one would think as you have stated, a complete cancellation.  But as we can see, this is not the case.  How induction is happening in this coil is beyond my understanding.  I can guess as well as anyone else, but the only semi-reasonable one I can come up with is that there are two forms of induction happening here--magnetic and electrostatic.  My guess here is that one of them must propagate faster than the other, or be dominant to the other.

I also do not understand the purpose of the "copper core"--even count of strands, half of the total, shunted together at each end.  What this does?  No idea.  You may note when Russ was initially playing with these wires, he managed to rapidly heat the coil up, which is why he now has a thermal probe attached for monitoring.


The good news here is this particular amp seems to have an accurate clipping indicator that Russ is using to prevent overload, though he has mentioned at least twice now that he can smell something getting hot in his little work space.  He specifically purchased this amplifier on the basis 007 had the same kind.


We know this custom power supply is some sort of switching power supply with a high input capability.  How it differs from an off-the-shelf Universal Input PSU is unknown at this time.


I can't say.  007 told Russ he needed to run LEDs for the output load or the special PSU.  He specifically mentioned diodes.   I was thinking if you can make a voltage multiplier with diodes and caps, can you change things around some and make a voltage divider from those same components as well?  Surely 007 gave Russ some kind of hint by mentioning diodes.  We'll have to poke around and find a lead somewhere before diving into this aspect I suspect.


He's been pushing himself hard to this point and will be going on vacation for a week in a couple of days.  I know he really wanted to have enough under his belt to chew on in his mind while on vacation.  I think he has mostly accomplished that, best I can tell.  He's open for comment and criticism as long as it is constructive.  Probably best to not overwhelm him and just take a small piece at a time and give him a chance to make the needed corrections.  I think this is actually a really good OpenSource research project.  Everyone should be able to learn a little something if they have an interest and are willing to accept none of us know it all, but understand together we can know an awful lot.

The fact that the coils are wound so as they should cancel out,but instead produce a great deal of power,is an indication that normal transformer action is not taking place here.

Perhaps some were to quick to  dismiss this as not being anything special.


Brad

[Dog-One]

The thread link to OSE is:
http://open-source-energy.org/?topic=2680.msg37306

[tinman]

The thread link to OSE is:
http://open-source-energy.org/?topic=2680.msg37306

So upon reading the thread,it would seem that Russ has the wires all running in one direction,and not back and forth. So this would mean no cancellation of magnetic fields around the coil.
In saying that,it is hard to get any sort of clear answer as to how the two coils are wound--some say one thing,and others say another thing.


Brad