PhysicsProf Steven E. Jones circuit shows 8x overunity ?

[nul-points]

@nul-points
[...]
When a coil is in self resonance, it's energy slashes back and fort between the coil and it's internal capacitors.
[...]--
NextGen67

the topic was prompted by the steady-state DC conditions of a bifilar coil energised by a 1.5V cell supply

under these conditions a 1.2pF capacitor will store 1.35 picoJoules and a regular coil of, say, 20uH energised with several amps from the cell will store energy about 2 orders of magnitude greater than the 1.2pF capacitor

Oliver Nichelson's measurements showed a 930% increase in voltage gain over theoretical for his bifilar wound coil - ie. his bifilar was giving improved performance compared to a regular coil

Anyhow, as this is a side topic, better focus back to Steven his sj1 device.

that shouldn't be a problem - Steven was the one who raised this topic (July 3, the day before his post you quoted in reply #729)

[NextGen67]

the topic was prompted by the steady-state DC conditions of a bifilar coil energised by a 1.5V cell supply

under these conditions a 1.2pF capacitor will store 1.35 picoJoules and a regular coil of, say, 20uH energised with several amps from the cell will store energy about 2 orders of magnitude greater than the 1.2pF capacitor

Oliver Nichelson's measurements showed a 930% increase in voltage gain over theoretical for his bifilar wound coil - ie. his bifilar was giving improved performance compared to a regular coil

that shouldn't be a problem - Steven was the one who raised this topic (July 3, the day before his post you quoted in reply #729)

Quote from: nul-points

    hi NextGen

    i don't think that capacitance values of the order of 1pF are going to contribute much to the energy stored in these windings at DC and a few volts - the inductance will likely have the most significant contribution to energy stored (as shown by data provided in earlier link comparing one regular and one bifilar coil)
    <...>
    np

Ahh ok, I thought you were referring to the experiment as described in the VOLTGN document, as that is where my 0.34 and 1.02pf was coming from in the first place, and what I described was in reference to that doc.

Yes, in the nails experiment, the inductance of the bifilar wound one is higher -due to mutual inductance-, hence its ability to store more energy, resulting in a stronger magnetic field.

--
NextGen67

[TEKTRON]

I fully support people â€" like many in this forum - that have an experimental leaning towards Physics.  There are just too many people chasing string theories and other hard-to-test Physics ideas.  I enjoy working with things I can build, test and then postulate a theoretical model for better understanding - and then rinse and repeat.  (smile)

To this end I would like to share this link to build a less than $10 gauss meter, so we can test the bifilar magnetic nails.  The build might not be an accurate absolute measurement of the magnetic field, but it should give an excellent relative measurement between the simple coil and bifilar configuration.

http://my.execpc.com/~rhoadley/magmeter.htm

There are plenty of gauss meters on the market â€" even on eBay, but they usually run $200 and up.

http://shop.ebay.com/i.html?_from=R40&_trksid=p5197.m570.l1312&_nkw=DC+gauss+meter&_sacat=See-All-Categories

PS  I “regret” I am going on vacation for a few weeks, so I will sadly be away from my lab.  But, keep up the good work; I look forward to seeing  Dr. Jones calorimetric tests while I am traveling.

-Nils

http://www.overunity.com/index.php?topic=10716.msg287416#msg287416

[JouleSeeker]

[snip]
Steven, i hope you are enjoying your vacation - and if so, then why are you reading this?!? 

i said i'd post an update with data from my test combining my inverted looped variant of your SJ1 circuit with one of my DIY voltage cells

as you can see from the on-load terminal voltage graph below, the results have become quite interesting over the last 200 hours of continuous operation!

it's looking hopeful for another 'self-sustaining' system with one of my DIY cells 

as always, i'll keep you posted
np


http://docsfreelunch.blogspot.com

Hi, NP -- wow!  that's an intriguing graph, showing a clear rise in the cell voltage in the last 150 hours or so.  Pls do keep us posted on this....

  Indeed the vacation has been fun, with family reunions and activities.  Just saw your post from 2 days ago, today.   

  Back with a bit more free time now.  A topic I raised a while back -- conservation of momentum in electromagnetic systems, especially considering speed of light constraints (changing fields "expand" and interact with particles at a later time).  I found this in Wikipedia regarding Lenz's law -- someone else is concerned about the sort of paradox I raised several weeks back:

Lenz's law (play /ˈlÉ›ntsɨz lÉ"ː/) is a common way of understanding how electromagnetic circuits must always obey Newton's third law and The Law of Conservation of Energy.[1] Lenz's law is named after Heinrich Lenz, and it says:

    "An induced current is always in such a direction as to oppose the motion or change causing it"
[snip]
Conservation of momentum

Momentum must be conserved in the process, so if q1 is pushed in one direction, then q2 ought to be pushed in the other direction by the same force at the same time. However, the situation becomes more complicated when the finite speed of electromagnetic wave propagation is introduced (see Retarded potential). This means that for a brief period of time, the total momentum of the two charges are not conserved, implying that the difference should be accounted for by momentum in the fields, as speculated by Richard P. Feynman.[2] Famous 19th century electrodynamicist James Clerk Maxwell called this the "electromagnetic momentum", although this idea is not generally accepted as a part of standard curricula in physics classes as of 2010.[3] Yet, such a treatment of fields may be necessary in the case of applying Lenz's law to opposite charges. It is normally assumed that the charges in question are like charges. If they are not, such as a proton and an electron, the interaction is different. An electron generating a magnetic field would generate an emf that causes a proton to change its motion in the same direction as the electron.

[/b]
http://en.wikipedia.org/wiki/Lenz%27s_law

   This seems correct -- but then the moving particles, electron in one direction and proton in the SAME direction -- appear to be violating conservation of momentum, since both are moving in the same direction. 

Pls note that Newton's Third Law is equivalent to the law of Conservation of Momentum:

F12 = -F21  ::  dPvector1/dt = -dPvector2/dt, so change in Pvector1 = MINUS the change in Pvector2.

You see, we can apply this to a rather simple transformer also, and get violation of Lenz's law IMO ... but I'll save that for a future post as family duties call... 
Ciao

[JouleSeeker]

  I have posed the question about the two dipoles on 2 physics forums... no answer yet.

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 (align) 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?

This may all seem very esoteric, but I hope to demonstrate that this relates to achieving OU... in time as we proceed.