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  #1321  
Old 11-02-2010, 02:15 PM
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lamare lamare is offline
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Quote:
Originally Posted by DrStiffler View Post
I fail to understand ow you are accounting for the negative resistance effect of the MPSA06? As seen in an authentic SEC Exciter the Vce breakdown is playing a significant part in the operation. In an authentic SEC Exciter the utilization of the two 1N4148's and the White LED serve a purpose of limiting the negative spike to ~0.7+0.7+3.6. Whereas in the slayer circuits it is used to prevent blowing the transistor from excessive feedback. Where a double set of diodes are used in reverse configuration in a slayer exciter, the operational bandwidth is greatly reduced and the diode in the same polarity as the BE junction serve little practical purpose as the Vbe is the controlling breakdown potential, they do although not shown in any sim act as a small varicap when reverse biased, yet this is very small and only of value at UWB frequencies.
To be honest, I don't understand the part with negative resistance effect, so I can't comment on that. I did see significant differences in the spectra of different transistors in the simulator, so I just wanted to mention that. These may or may not show this negative resistance effect. I don't know. All I know is that these two show similar results in the FFT on the simulator as the MPSA06, so if you/someone need a replacement, these might be the first ones to try.
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  #1322  
Old 11-02-2010, 03:46 PM
woopy woopy is offline
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pancake results

Hi all

I have tried all my small transistors. the best is the 2N3904 for small voltage range and low current.

But to go much higher 24 volt and probably higher i used the TIP 31 C. With 300 ma i can light my 60 led ramp brightly, plus at full brightness the led across B and E of the transistor (see on the right of the pix), and i can light wirelessly a CFL . Very good for a so compact config.

I could not get a FET working (have to test more)

The same TIP 31 C and my Slayer exciter is stronger, but get much hotter and draw much more current for less volts (10 volts and 650 ma).

So very different output and very interesting stuff.

What do you think of winding a bifilar Tesla pancake of 100 turns in 0.3 mm copper. Actually my coil is 70 turns with o.4 mm copper.?



Laurent
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Last edited by woopy; 01-26-2011 at 10:47 AM.
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  #1323  
Old 11-02-2010, 04:02 PM
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Quote:
Originally Posted by woopy View Post
I have tried all my small transistors. the best is the 2N3904 for small voltage range and low current.
Interesting. That is exactly the one showing the largest bandwidth in the Spice simulator, comparable to the MPSA06 in that sense.... (see: Joulethief SEC exciter and variants )
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  #1324  
Old 11-02-2010, 05:11 PM
Goldfinder Goldfinder is offline
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Help with Stiffler towers

I have scoured the net and still haven't found anyone describing how to build the Stiffler towers. If someone would please provide me the specs. Lidmotor has demoed lost and so has Stiffer himself. but no specs. I could guess but would prefer actual specs so I can do a decent duplication.

PVC pipe length
Coil - number of turns
Coil - Wire size.

Thanks in advance!
Goldfinder
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  #1325  
Old 11-02-2010, 05:42 PM
DrStiffler DrStiffler is offline
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Quote:
Originally Posted by Goldfinder View Post
I have scoured the net and still haven't found anyone describing how to build the Stiffler towers. If someone would please provide me the specs. Lidmotor has demoed lost and so has Stiffer himself. but no specs. I could guess but would prefer actual specs so I can do a decent duplication.

PVC pipe length
Coil - number of turns
Coil - Wire size.

Thanks in advance!
Goldfinder
@Goldfinder
I even think you sent us an email stating you searched the earth for this info, yet a simple click to my web site or to Scribd for the Wireless-OneWire-Energy-Transmission-Construction-Guide posted there in July 2009 would have answered you question. Crazy on such effort......
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  #1326  
Old 11-02-2010, 07:50 PM
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Quote:
Originally Posted by woopy View Post
Hi all

I have tried all my small transistors. the best is the 2N3904 for small voltage range and low current.

But to go much higher 24 volt and probably higher i used the TIP 31 C. With 300 ma i can light my 60 led ramp brightly, plus at full brightness the led across B and E of the transistor (see on the right of the pix), and i can light wirelessly a CFL . Very good for a so compact config.

I could not get a FET working (have to test more)

The same TIP 31 C and my Slayer exciter is stronger, but get much hotter and draw much more current for less volts (10 volts and 650 ma).

So very different output and very interesting stuff.

What do you think of winding a bifilar Tesla pancake of 100 turns in 0.3 mm copper. Actually my coil is 70 turns with o.4 mm copper.?



Laurent
Nice work Woopy. I wound a Bifilar pancake coil yesterday.

YouTube - Bifilar Pancake Coil driven by Bedini circuit
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  #1327  
Old 11-02-2010, 09:51 PM
woopy woopy is offline
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the red tesla bifilar coil ready to go

Thanks Jiffycoil

i made one of those coils

the two winding separated are each 4.8 ohms and 0.47 mh. and than connected in serie as per Tesla coil
9.4 ohm and 1.84 mh.
I do not know the turn numbers but it the same diameter as my previous single wire pancake.

Pix 3 is the L2 exciting pancake coil with 6 turns

will test tomorrow

good night at all

Laurent
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Last edited by woopy; 01-26-2011 at 10:47 AM.
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  #1328  
Old 11-02-2010, 10:04 PM
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Ah that's how it goes. You are very wise Woopy.
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  #1329  
Old 11-02-2010, 10:54 PM
woopy woopy is offline
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Hehe Jiffycoil

I am not so wise but i am able to detect the good and practical advices in this forum

thanks very much for your great contribution in general and especially for this really simple trick how to wind easily a pancake coil with a single scotch tape.

And tomorrow will bring other results good or not good but for sure a lot of fun



Laurent
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  #1330  
Old 11-02-2010, 11:58 PM
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Merci Beaucoup.
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  #1331  
Old 11-03-2010, 04:07 AM
Ecoman11 Ecoman11 is offline
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I'm not really a spatial effects guy but this coil might interest you exciter bugs. All you need is a small hex rod or cut allen key and a drill. It's tedious work but should produce some unique results with a spiral core.



Ecoman
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  #1332  
Old 11-03-2010, 08:26 AM
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Quote:
Originally Posted by DrStiffler View Post
So if I read this right the cores of the two xformers are not mutually connected?

It is basically the same thing as what you/others do with the wireless towers. Only in this case, you connect them directly or trough couple capacitors. See attachment.
Attached Images
File Type: jpg Two_Towers.jpg (39.9 KB, 115 views)
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  #1333  
Old 11-03-2010, 05:39 PM
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Lidmotor Lidmotor is offline
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Pancake coils

@Woopy
I replicated your two flattened pancake coil design and got good results. It works.

@ Jiffycoil
Your bifilar coil looks like another winner and I'll try that next. There is so much information on packcake coil design that it is kinda hard to filter through it all. Tesla sure did like these things.

Cheers,

Lidmotor
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  #1334  
Old 11-03-2010, 06:27 PM
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Originally Posted by Lidmotor View Post
@ Jiffycoil
Your bifilar coil looks like another winner and I'll try that next. There is so much information on packcake coil design that it is kinda hard to filter through it all. Tesla sure did like these things.
I did some analysis on coils some time ago, and found an interesting figure back then:

High Voltage from Thin Air?
High Voltage from Thin Air?

Quote:
I have always wondered what would be so special about a flat spiral and why Tesla would use such a coil. Now I realise you get an extreme h/d, nearing to 0. Now take a look at this figure, the base of an approximation to calculate the first TEM self-resonance frequency of a coil I posted before:


Quote:
What you see is that the velocity factor, the relative propagation speed with which EM electricity travels in/out of the coil, in the extreme nears to 0 also!

Very interesting!

What you have with a flat, spiral coil, is minimal capacitive coupling, while still having a considerable inductive coupling between the windings.
Today, I would think it's the other way around and that with a pancake coil you mostly have capacitive coupling and hardly any magnetic component, especially if you use higher harmonic resonances as you do with these kind of circuits, because your driving coil (together with the feedback coil) is the one that determines the oscillation frequency to a large degree and that one is usually much shorter than high voltage coil and thus has a (much) higher resonance frequency.

Update 3: note that Tesla used bifilar wound pancake coils also:
Tesla Bifilar Coil patent - Bedini Bifilar Coil usage in Schoolgirl Radiant Motor Charging devices | MERLib.org

Quote:
Tesla explains that a standard coil of 1000 turns with a potential of 100 volts across it will have a difference of .1 volt between turns. A similar bifilar coil will have a potential of 50 volts between turns. In that the stored energy is a function of the square of the voltages, the energy in the bifilar will be 502/.12 = 2500/.01 = 250,000 times greater than the standard coil!"
Practical Guide to Free-Energy Devices - Chapter 9
Quote:
May I also remark that it might be worth experimenting with the “pancake” coil (called a bi-filar series-connected coil) patented by Tesla because he found that it was particularly effective in picking up Zero-Point Energy:

Update: I suddenly wonder what would happen if you would go to 3D coils, i.e. wind them like your grandmother would wind a ball of wool:



Then you would have one terminal in the centre of a ball-like structure, which spirals out in 3D towards the outside.... Of course, you can wind this with an inner bal, surrounded with an outer one...

Update 2:

If indeed capacitive coupling is the dominant coupling mechanism, we would be talking about electric waves propagating from one winding to the next, which would be akin to pressure waves in a fluid, which would have an interesting analogy with acoustics. With acoustic pressure waves, one can make interesting pressure wave patterns, which would be similar to what would happen inside a resonating pancake coil. This is known as cymatics:

Cymatics

This is a 2D pattern:

Quote:
A simple experiment demonstrating the visualization of cymatics can be done by sprinkling sand on a metal plate and vibrating the plate, for example by drawing a violin bow along the edge, the sand will then form itself into standing wave patterns such as simple concentric circles. The higher the frequency, the more complex the shapes produced, with certain shapes having similarities to traditional mandala designs.
In 3D, we get similar patterns:


The left half of the images show the same kind of pattern, one in 2D, one in 3D. As you can see, you get a hot spot in the centre, so it may be possible to do something similar with 3D ball / wool knot shaped coils.

Update 4: There's an interesting post on this velocity factor and standing waves here:
Imhotep's Radiant Oscillator Video

The referenced article, link dead, can be retrieved from the internet archive:
Class Notes: Tesla Coils and the Failure of Lumped-Element Circuit Theory

Very interesting:
Quote:
However, a true Tesla coil (circa 1894) is a velocity inhibited slow-wave helical transmission line resonator: Vmax = S×Vmin, where S is the standing wave ratio. Voltage magnification is by standing waves. Period.
Update 5: There's a very interesting site about Tesla coils here: Tesla Secondary Simulation Project

Update 6: Found a very interesting paper by the same Corum who wrote the Class Notes: "Voltage Magnification by Standing Waves" http://hamwaves.com/antennas/inductance/corum.pdf


Update 7: One more picture on cymatics:
Cymatics : Physics • Rational Skepticism Forum





I like these kinds of images, because I believe there is a real ether, as Tesla always said, so these cymatic techniques enable us to make pictures and video's of how waves propagate trough the medium, be it water or the ether.

Last edited by lamare; 11-04-2010 at 08:45 AM. Reason: moved cymatic images to my own server; added wool ball picture
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  #1335  
Old 11-03-2010, 10:41 PM
woopy woopy is offline
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Hi all

Thanks to all for contributing ,it really helps to go on understanding what is going on here.

So i made some test today with Slayer and joulethief circuitery. And i have made a small vidęo to show with less words something very interesting with those pancake coils.

Perhaps the pancake coil ŕ la Ecoman will bring better results ? who knows ?

And good experimenting

Laurent

YouTube - bifilar Tesla pancake wireless coupling.wmv
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  #1336  
Old 11-04-2010, 01:37 AM
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@Woopy
Very nice job on your build and wonderful output too.
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  #1337  
Old 11-04-2010, 03:14 AM
mk1 mk1 is offline
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I wonder why Tesla invented single wire tech , because he could replace the single wire with earth , i hope at least some one will show how far those circuit can send energy ...

He said he could hit earth like a hammer , sending waves ...

There is a part in the air , and one in the ground ...

Mark
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  #1338  
Old 11-04-2010, 04:59 AM
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New Bifilar Pancake coil

This is the new coil. I used #23 and #26 AWG magnet wire. I wound this coil on a 1/2" white nylon tube purchased in the plumbing section of Home Depot. I used "Duck general purpose masking tape" .70 in x 55 yards bought at Wall mark .77 cents. I wound this on my homemade winding machine. I would 275 turns with the wire side by side. This gets a bit hard after around ten turns so you have to start crossing slightly side to side of the winding underneath. I ran this coil on the standard Bedini school girl circuit and with a 1/2 in neo mag sphere it is unreal and the voltage to charge is outstanding.


Bifilar Pancake Coil Front Side by jiffycoil, on Flickr


Bifilar Pancake Coil Front by jiffycoil, on Flickr

Thanks for all the support here . I really enjoy my times with all of you.
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  #1339  
Old 11-04-2010, 06:54 AM
penno64 penno64 is offline
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Hi all,

Been rather busy of late.

Did anyone else notice that when woopy attempted to combine the coils
vertivcally, he got very little output.

Does this seem familiar to the Steven Marks TPU that, would not work if
it was inverted ??

Any thouhgts ??

Kindest Regards, Penno

p.s. still trying to compress video for upload to youtube
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  #1340  
Old 11-04-2010, 07:03 PM
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Jiffy Puck

Late last night I wound a single wire pancake coil 275 turns 28 AWG magnet wire. The primary is a pancake coil 8 turns AWG 12 stranded wire copper wire. The Slayer Exciter is a TIP41A and a 1K ohm resistor. The output is very good. I will post results soon.


Jiffy Puck 1 by jiffycoil, on Flickr


Jiffy Puck 2 by jiffycoil, on Flickr
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  #1341  
Old 11-04-2010, 08:53 PM
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lamare lamare is offline
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Solid State Kapagen

Hi all,

Today I looked into the Kapagen device:
Kapagen Theories, Replications, Winding Diagrams, Circuits & Schematics. KAPAGEN ONLY
The Worldwide KAPAGEN successful replications

A very interesting device, which shows us how to tap the energy from a long coil oscillating at a higher harmonic, just like we have with an exciter (with separate tickler coil)....

It consists of an air core transformer with three windings, of which the two shorter windings are wound on top of the longer one, driven by a spark gap oscillator:


As you see in the picture, there are three coils that are driven into resonance, where the shorter coils are wound counter clock wise(CCW), and the longer coil is wound clockwise(CW).

Since the coil with 6 turns is the shortest one, that is the one where we have 1/4 lambda resonance, so if we would take the other short coil 3 x 6 = 18 turns, we would have 3/4 lambda over there. Now the 6 turn coil is a bit wider then the other one, so we would need a few more turns on the coil with the smaller diameter in order to get 3/4 lambda. For the long coil, we get 3 1/2 x 4 x 6 = 84 turns, which would be 1 1/2 lambda, so the terminals of the long coil would always be out of phase when the whole thing is in resonance.

So far, so good.

Of course, it should also be possible to build the same kind of resonator using an exciter circuit, which could look like this:



In this picture, the lower and upper coils are wound counter clock wise, wile the long coil is wound clockwise. The coils in the middle are the driving coils, which can be wound either way, as long as you wind them both in the same direction.

The trick here is in matching the resonance frequencies and the voltage / current hot spots of the standing wave you get in the coil. Because the upper and lower coils are wound counter clock wise, where the outer terminals are connected to the outer terminals of the long coil, you force a current node (so a voltage hot spot) at the outer terminals of the long coil, when it is in resonance.

However, you want to be able to draw current out of your coils, so you need to tap the power at a current hot spot (CHS), which is a 1/4 lambda along the way.

So, when the lower coil is n turns, which determines the 1/4 lambda wavelength and the corresponding resonance frequency, at the top of this coil, you have a current hot spot. At the other end, you would also get a current hot spot 1/4 lambda down the road, but if the long coil is an odd multiple of 1/2 lambda, then your current would be out of phase. So, you go yet another 1/2 lambda further and make the top coil 3/4 lambda.

Then you get an interesting situation. The current at the terminals of the upper (3/4) and lower (1/4) lamda coils are in phase, while there is a nice voltage across these terminals....

I think for use with an exciter oscillator, as shown in the picture, you can wind the whole thing with the same diameter coil wire. Since you wind the shorter coils on top of the long one, the diameter will be slightly bigger, so you may need a few more turns on the long coil.

I think it is important to place the driving/tickler coil such that the connection to the power supply is at a current hot spot. Since for every n turns we have a quarter lambda and the first current hot spot is at n turns above the bottom, the current hot spots will be at every 2n turns above this hot spot, so at every n + X*2n turns above the bottom turn of the long coil.

And finally, the long coil should be an odd number times the half wave resonance frequency, so 3,5,7,... times 2n turns. The longer, the more voltage, so the better.

Have fun if you try this!

Update: Naudin references some very interesting papers on the advantages of bifilar wound coils in terms of voltage gain:

Already this one is intriguing, it suggests that even with DC bifilar wound coils offer an advantage:
Bifilar Electromagnet

He also refers to some very interesting papers by Oliver Nichelson:
teslanichelson

http://home.comcast.net/~onichelson/VOLTGN.pdf
Quote:
[this] is a technical note showing that the equation for voltage gain will have to be modified for a special coil that may be related to Tesla's fuelless energy generator design. A regular coil and one of Tesla's design are measured and compared. Measurements show that the Tesla design is over 900% better in voltage gain than predicted by calculation.
http://home.comcast.net/~onichelson/Thermodynamics2.pdf
Quote:
[this] was prepared for the 28th (1993) IECEC conference. It takes up Tesla's argument for a fuelless electric power generator that does not violate the Second Law of Thermodynamics. Though the device appears to supply power without fuel, it is not a perpetual motion machine. Tesla's explanation and a modern analysis is given of the device's operation. This paper presents a more satisfactory theory about the engineering aspects of the new generator than the 1991 IECEC paper.

http://home.comcast.net/~onichelson/Fuelless.pdf
Quote:
[this] was prepared for the 26th Intersociety Energy Conversion Engineering Conference in August 1991. The paper documents that Nikola Tesla claimed to have built an electrical power generator that would not consume fuel, where in his writings the description of such a device is found, the theory of how a fuelless generator could be possible, and a suggestion as to how Tesla's new device might have operated. The paper moves from historical fact, the claims for such a generator in a letter hand written by Tesla, to speculation about the operating principles of the inventions. At the time of writing the paper, the historical material was certain, but the engineering explanation of how the new type of generator worked was speculation.
Update 2:
Tesla explains the difference between ordinary wound coils and bifilar wound ones in one of his patents:
www.Magnetricity.com ...

Quote:
In this Patent, Nikola Tesla tells us that ...

• A standard solenoidal-wound coil of 1000 turns with a potential of 100 volts across it will have a difference of 0.1 volt between turns.

• A BIFILAR-wound coil of the same number of turns will have a potential of 50 volts between turns.

In that the stored energy is a function of the square of the voltages, the energy in the BIFILAR Coil will be ...

50 squared / .1 squared = 2500 / .01 = 250,000 times greater than the standard coil
In Tesla's own words:
Quote:
I have found that in every coil there exists a certain relation between its self-induction and capacity that permits a current of given frequency and potential to pass through it with no other opposition than that of ohmic resistance, or, in other words, as though it possessed no self-induction. This is due to the mutual relations existing between the special character of the current and the self-induction and capacity of the coil, the latter quantity being just capable of neutralizing the self-induction for that frequency. It is well-known that the higher the frequency or potential difference of the current the smaller the capacity required to counteract the self-induction; hence, in any coil, however small the capacity, it may be sufficient for the purpose stated if the proper conditions in other respects be secured. In the ordinary coils the difference of potential between adjacent turns or spires is very small, so that while they are in a sense condensers, they possess but very small capacity and the relations between the two quantities, self-induction and capacity, are not such as under any ordinary conditions satisfy the requirements herein contemplated, because the capacity relatively to the self-induction is very small.

In order to attain my object and to properly increase the capacity of any given coil, I wind it in such way as to secure a greater difference of potential between its adjacent turns or convolutions, and since the energy stored in the coil considering - the latter as a condenser, is proportionate to the square of the potential difference between its adjacent convolutions, it is evident that I may in this way secure by a proper disposition of these convolutions a greatly increased capacity for a given increase in potential difference between the turns.
The principle is that there is a certain parasite capacitance between coil windings, which stores a certain amount of energy. By winding the coil bifilar, you get substantial bigger voltage differences between adjacent windings and therefore more energy is being stored in these parasite/self capacitances. Since the energy stored in a capacitor equals 1/2 C V^2 ( Energy Stored on a Capacitor ), this is a significant difference in the amount of energy that is being stored in the coils self capacitance. And since in resonance, this energy is being flipped back and forth between the capacitance (voltage) and the inductance (current, magnetic component) you get significantly stronger oscillations in there.

Update 3: Oliver Nichelson's experiment suggest this only applies at the 1/2 lambda resonance frequency, cause if 19,1 MHz is the 3/4 lambda resonance frequency, we would get the 1/2 lambda at 19,1 * 2/3 = 12.73 MHz, which appears to match:

teslanichelson


Full scale image: http://sites.google.com/site/teslanichelson/Helix.jpg


Update 4:

And this gives an interesting link to Meyer's later coils, which were.... bifilar wound:

Article:Free Electric Energy in Theory and Practice - PESWiki




Update 6:

What is interesting is to compare Tesla's bifilar wound coil from his patent with the top/bottom coils in the Kapagen device. As you can see, Tesla connected them in series, in order to get the voltage difference, while in the Kapagen device they are wound CW/CCW. So, with Tesla's coil, the voltage difference between adjacent windings is distributed across the coil, while with the Kapagen device, this increases from top (connected part) to bottom. Given that with the Kapagen device, we have different length short coils at the top and the bottom, this suggests that you probably may use this principle also at higher harmonics with the Kapagen way of winding and still get this voltage gain effect. You see, with Tesla's way of winding, you only get the situation that the magnetic field caused by the currents trough each half of the coil cancel each other out at the half wave resonance frequeny (over the whole coil), while with Kapagen's, they seem to always(?) cancel one another out, or at least at more than one higher harmonic.

So, it seems that with Kapagen's way of winding, you can create a pure (longitudinal, "pressure-like") electric oscillation across the coil windings, without creating a magnetic field....


Update 7: Some further analysis and re-thinking about a solid-state Kapanagen device here:
http://www.energeticforum.com/146489-post1921.html

Last edited by lamare; 07-04-2011 at 12:37 PM.
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  #1342  
Old 11-04-2010, 10:29 PM
woopy woopy is offline
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hi all

Today i made a reflection of what is going on.

After testing Slayer . Joule thief. Stingo, and
Bedini, and having tested a lot of pancake solutions (see pix 1), i noticede that the results are normally and after some tuning in general very good, BUT

The trace on the scope is also in general of the same type,

I mean a strong and large voltage spike (green) but followed buy a long spreaded low voltage (red) almost
unused energy.

This can explain why in my previous video , when i invert the coils the coupling "seems to be very weak in term of voltage ( remember only one single dimly lit led in the middle of the ramp) which means that there is low voltage unable to light the ramp but probaly with more amps.

but this power is really there and probably completely lost.

And when i connect my 60 ramps of leds directly to the power suply the wattage for my subjective point of wiew is about similar to the wattage of the JT coupling, i do suppose that if we can find a mean to add the negative part of the scope trace to the positive we will be really on the good way to...

good night at all

Laurent
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Last edited by woopy; 01-26-2011 at 10:47 AM.
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  #1343  
Old 11-05-2010, 01:47 AM
xee2 xee2 is offline
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Quote:
Originally Posted by woopy View Post
This can explain why in my previous video , when i invert the coils the coupling "seems to be very weak in term of voltage ( remember only one single dimly lit led in the middle of the ramp) which means that there is low voltage unable to light the ramp but probaly with more amps.
Turning one coil over reverses the phase of the signal coming out of the coil. This is like reversing the leads on the L2 coil (same effect). The circuits will not oscillate unless the feedback has the proper phase.
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Old 11-05-2010, 04:01 AM
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Jiffycoil Jiffycoil is offline
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Jiffy Puck powered by the Slayer Exciter

This is the Puck in action.

YouTube - Jiffy Puck Powered by the Slayer Exciter

Thank you everyone for the inspiration to build these things.
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Old 11-05-2010, 07:50 AM
7imix 7imix is offline
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Slayer Exciter Pancake Coil replication

I replicated Jiffycoil's pancake coil excited by the slayer:

YouTube - Pancake coil slayer exciter

My scope, which probably doesn't sample fast enough, says the coil is oscillating at 305kHz.

When I took measurements on the transistor, I discovered it was firing at 58kHz.

YouTube - Slayer pancake transistor measurements

Thank you Jiffycoil for the inspiration to wind a pancake coil. I need to build a coil winder and wind a bunch more pancake coils. I wound this coil by hand, which was hard work and the turns are messy.
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Last edited by 7imix; 11-05-2010 at 08:52 AM. Reason: Linked the first video twice accidentally
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Old 11-05-2010, 08:05 AM
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Jiffycoil Jiffycoil is offline
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@7imix
Wow I'm honored to have you guys building these. I noticed in the video that you dialed in a wave form right near the end of the the clip. I saw the same wave form tonight on my scope. Any idea what it shows?
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Old 11-05-2010, 08:55 AM
7imix 7imix is offline
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Quote:
Originally Posted by Jiffycoil View Post
@7imix
Wow I'm honored to have you guys building these. I noticed in the video that you dialed in a wave form right near the end of the the clip. I saw the same wave form tonight on my scope. Any idea what it shows?
It's an extremely high frequency sin wave, I think. I believe it is higher frequency than my scope, which is only a megahertz. What frequency does your scope sample? I would be interested in seeing video of the waveform you are talking about. Thanks!
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Old 11-05-2010, 04:18 PM
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Lidmotor Lidmotor is offline
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Amazing work being done on this thread

@Jiffycoil
I have to make one of those puck coils now. I like the "squeezer" disks to make the coil thinner. I talked to my green guy about being too fat and I just got a blank stare. I finally put my foot down (literally) and forced the issue. I wound a flat spiral primary coil like you and Woopy did and got similar results. There are many great videos on how to make these pancake coils. The most exotic ones that I have seen were built by Tecstatic (Eric) when he was working on the SEC exciter. He etched them on printed circuit boards. Beautiful work and he expains how to do it over at Dr. Stiffler's thread.

@Lamare
I have studdied what you have presented here and many thanks for the information. You have inspired me to learn more about what we are doing here rather than just go off wildly building things. Often I stare at something that I build and ask myself, "Why is it doing that". The answer is usually found through research on the web if I take the time to dig for it.

@7mix
I really like your little hand held scope. The frequencies that are generated by these exciters are compound and run out into the MHz range. My computer O scope has a spectrum analyser function that lets me look at them and it is a real party going on. It is a storm of many waves with "freak" waves forming at certain frequencies. At those frequencies the waves pile up on top of one another (I guess) and you get these monster spikes of energy.

@ Jonny and Slayer
Many thanks for all stuff you have given us here. This is alot of fun.


Lidmotor
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Last edited by Lidmotor; 11-06-2010 at 01:50 PM.
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Old 11-05-2010, 07:40 PM
totoalas totoalas is offline
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Very impressive downsized the coils looks like a doughnut to me

Are the leds in series

@250 ma if battery operated wiil deplete fast the battery charge

Have u tried on cfls or fl lamps

I would like to start on my 50 pcs table lamps, flash lights i collected from a junk shop and and your design fits on this using 9 v sq battery (300 pcs)

Hope you can try on an sla battery 7 ah and the duration

Sorry for the too many questions but

I Like your style a the song says

cheers

totoalas


Quote:
Originally Posted by Jiffycoil View Post
This is the Puck in action.

YouTube - Jiffy Puck Powered by the Slayer Exciter

Thank you everyone for the inspiration to build these things.
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Old 11-05-2010, 09:09 PM
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lamare lamare is offline
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Transformer / Exciter circuit with Kapagen coil

Hi all,

This idea of bifilar wound coils by Tesla, which appears to have been taken a step further in the Kapagen device appears to offer interesting possibilities.

If indeed you can create pure electric, longitudinal oscillations without magnetic fields in coils which are wound in opposit directions on top of one another and indeed this gives a voltage gain, then it is probably possible to make an amplifying transformer like this:


All coils are wound on a single air core, as are the other exciter circuits.

Around L1 and L2, you have a pretty standard exciter circuit, which determines the oscillation frequency. For a typical exciter, n would be 12 or so.

Because we want L4 and L5 to be resonating in phase and we get a 180 degree phase shift across L1 and L2, we add another normal wound coil on top of L1 and L2, with 2n turns, so we get a full wave across L1, L2 and L3. So, the upper terminal of L1 will be in phase with the lower terminal of L3. We drive each of the counter-wound coils from one of these.

So, we get a normal EM oscillator across L1-L3, which is both connected and capacitively(!) coupled to the counter wound coils and thus drives these into resonance at a higher harmonic of the longer coils.

Since the counter wound coils are supposed to cancel the magnetic component, we want a voltage hot spot at both ends of the coil, so we want it to have a length of multiples of a half wave, so X * 2n turns. However, the coil on top has a slightly bigger diameter, so you may need a couple of turns more on the one on top. (unless you really wind them bifilar, but then you probably need some extra turns, given the picture I posted before: http://sites.google.com/site/teslanichelson/Helix.jpg - oops, that won't do when you want one CW and the other CCW )

Now if this works as expected, we get a significant voltage gain across these counter wound coils. This comes with a price attached, though, cause these coils cancel out the magnetic field and therefore cannot give you much current. (update: hmm, this may not be intirely true, cause even though the magnetic fields cancel, you can still have currents, given the Kapagen device. It's probably more that no energy gets "stored"/"lost" in creating a magnetic field that you don't really need when you have an electric field to drive your charge carriers and thus give you a current.)

So, at the opposite side of the transformer, we do the same thing as with the driving coils, so one coil with n turns and one with 3n turns, so we end up with a current hot spot between L6 and L7, which are normally wound and should therefore be capable of delivering current.

As for the load, I think this can be either a resistive load, or a capacitor with a rectifier bridge, which can deliver DC.

Of course, I haven't built this (yet) - just got the idea this afternoon -, so it may or may not work. If it does, great. Then I'm glad this cannot be patented anymore, cause it's public knowledge. If it doesn't, well, too bad, nice try.

So, YMMV, and whatever you may want do with this is fine with me. Just make sure to have fun doing it!

-- Arend --

To avoid confusion: all coils are single-layer wound, tightly next to one another (on top of one another) in the order shown except the ones shown next to one another in the picture. So, only L4 and L5 are Kapagen wound, so to speak.

Update: I updated the picture and renamed the upper coils. Adapted the text accordingly. The source drawing (LTSpice) can be found here: http://www.tuks.nl/Spice/Electric_TF.asc

Last edited by lamare; 11-06-2010 at 09:56 AM.
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