Originally posted by Cloxxki
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A different story indeed! The electrical resonance is the easy part but, when we try to understand Stan's "resonant action" which he describes as a process independent of the electrical resonance, it is all to clear he is describing an acoustical type resonance. He is not plucking the tubes like strings, he is blowing gasses through the tubes or as he called them, "resonant cavities". As any wind instrument can be observed, there needs to be a certain amount of pressure along with other parameters to achieve the greatest output with minimal input. Pressure can be adjusted by simply changing the size and shape of the exit ports. One can do a simple experiment by simply whistling.
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Originally posted by grizli View PostYou are quite wrong
I made tests...
Base harmonic of the tube does NOT change when you hold tube or when tube handgs freely... higher harmonic are dampened... but base one is very much the same...
Also shorting tube does not change frequency very much ... it is mostly determined by diameter and wall thickness..
If you set a tuning fork in motion, it wll vibrate at it's resonant frequency, the frequency that requires the least energy. But the instant you touch a prong or prongs you will dampen the resonant action by effectively altering the physical characteristics of the tuning fork. The tuning fork has become metal tuning fork mass and your mass!
The resonant frequency of anything will change the instant you alter it's mass, which FF is effectively doing by gluing the tubes into a vessel, so I'm not sure why you would say I'm wrong.
Perhaps you can elaborate on yours tests?
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Originally posted by Farrah Day View PostI don't want to argue for the sake of it with a Grizli, but lets look at it this way.
If you set a tuning fork in motion, it wll vibrate at it's resonant frequency, the frequency that requires the least energy. But the instant you touch a prong or prongs you will dampen the resonant action by effectively altering the physical characteristics of the tuning fork. The tuning fork has become metal tuning fork mass and your mass!
The resonant frequency of anything will change the instant you alter it's mass, which FF is effectively doing by gluing the tubes into a vessel, so I'm not sure why you would say I'm wrong.
Perhaps you can elaborate on yours tests?
I spent a bit of time this weekend recording the frequencies of various tubes. None of my tubes fall under 1k hz. most come in around 2k the larger diameter (1.5 inch) around 5k. The thinner the wall the higher the pitch.
Not a very good pic but here is what I was doing. Hanging different tubes, (clothes line style) and recording the tones with my computer mic.
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Here is a much less expensive way to do that. Make sure you buy a few replacement blades too. All for about ten bucks and a little of your time. Anyone can build a descent cell with very few common use tools and materials.
YouTube - Tube Cutter Tool
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YouTube - Fast Freddy's Update 7
He could have simply stated that the tube ends were machined in the previous videos, which now, for some reason, seem to have been removed. Yet another very disappointing instalment - though I suppose great if you want to get to know his friends and family.
What part does that $1100 dollar 'puk' - I think he called it - of SS he was slapping, play in all this I wonder?
At this rate it will be well past Christmas before he discloses anything of any real value... if he ever does!
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Originally posted by Farrah Day View PostI'm not buying into this tuning stuff at all. The minute you glue the tubes into the vessel, any previously individual resonant frequencies become irrelevant as the tubes then become part of a larger whole. It makes little sense to me.
If you look at what Meyer and Puharich did, then from an EE point of view, they have their load in between two coils, which are most likely resonating. But resonating such that the overall resonance, which would be over the whole load train (coil 1 - WFC - coil 2), is such that you have high voltage, low current at the driving terminals of your coils. And that would be so called half or full wave resonance.
Now if you can consider your WFC to be a nice linear capacitor, then you would basically have a simple LC oscillator with a single resonance frequency.
How^H^H^H But if your WFC is not a nice linear capacitor, like when you have ions moving back and forth, you get interference patterns between what we might call the "LC" resonances and the resonances in your electrolyte, whatever those may be.
The problem is that these resonances in your electrolyte, insofar electrically relevant (ions), also end up in your coils. Whenever you mix two waves of different frequencies, you end up with the so called "differential frequencies" or "beats" as the are called in acoustics. See for example:
Beat Frequencies in Sound - Succeed in Understanding Physics: School for Champions
If you add two waves of slightly different frequencies, the resulting amplitude will vary or oscillate at a rate that is the difference between the frequencies. That beat frequency will create a beat envelope around the original sine wave.
Since the frequencies of the two sounds are so close, you would hear a sound that is an average of the two. But you would also hear the modulation of the amplitude as a beat frequency, which is the difference between the initial frequencies.
Heterodyne - Wikipedia, the free encyclopedia
In radio and signal processing, heterodyning is the generation of new frequencies by mixing (multiplying), two oscillating waveforms. It is useful for placing information of interest into a useful frequency range following modulation or prior to demodulation. The two frequencies are mixed in a vacuum tube, transistor, diode, or other signal processing device. Mixing two frequencies creates two new frequencies, according to the properties of the sine function; one is the sum of the two frequencies mixed, the other is their difference. These new frequencies are called heterodynes. Typically only one of the new frequencies is desired—the higher one after modulation and the lower one after demodulation. The other signal is filtered out of the output of the mixer.
So, if we can assume that whatever resonances are taking place in the WFC generate electrical signals, because there are ions in the electrolyte if the electrolysis is basically Faraday-like, then you get these differential frequencies in your coils as electrical disturbances. And it is these disturbances that eventually reach your driving circuit if you don't do anything to prevent that. And that means you don't have your nice "high voltage, zero current" situation at the terminals of your coils anymore and you will have to pay for that.
As far as I can tell, there are two ways to prevent these unwanted and expensive disturbances to reach your driving circuit:
1. Use a high-pass filter, as I explain in my article (linked below).
2. Match the resonances in your WFC to the resonances in your driving coils, so they resonate all at one and the same frequency (or at least harmonic to one another). Then you don't get these "beat" frequencies and so you don't have to pay the price of having your dipole, your voltage source, killed by the beat....
IMHO, option 2 would be the hard way to do this....Last edited by lamare; 09-14-2010, 09:39 AM.
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Originally posted by Farrah Day View PostWell, I see the WFC itself more as a non-linear resistor, but I'm sure at certain frequencies there will be a certain value of capacitance. However Lamare, where then does Meyer's pulsed DC and indeed his blocking diode fit into the grand scheme of things?
As for capacitance: if a dielectric layer is formed on one (or both) of the tubes, you would get an electrolytic capacitor, which could easily reach a capacity of several 100 microFarads. But you concluded that yourself too:
http://www.energeticforum.com/renewa...tml#post107860
Aluminium, just like stainless steel already has a protective oxide coating, that's why they are both relatively inert to corrosion in air and water under normal circumstances.
Wet electrolytic capacitors were - and still are - an intriguing design because designers made the anode to have the greatest surface area possible, and no matter how complicated the anode design, it did not need a correspondingly complicated cathode. An electrolytic solution became an extension of the metal cathode container. Also the very thin (microns) oxide layer on the anode made for a high capacitance.
If we are not careful all we will achieve is the fabricating of a large electrolytic capacitor. The science does need thinking through.
The wet electrolytic capacitors described above did generate some hydrogen, but this was not by design and was simply due to leakage current. And what H2 did evolve was of course generated by everyday electrolysis action.
How^H^H^H Anyway, you can test wether or not your tubes have a significant capacitance pretty easily. You build a simple 555 circuit, like this:
LM555 Timer Circuits
And then you use your WFC as the capacitor shown in the schematic. Then you can calculate the value of the capacitor using the formula shown. And you can also easily compare the behavior of your WFC with that of some standard capacitors. I did this some time ago when I was experimenting with an electrolytic capacitor made of an aluminum tube and a copper plate submerged in soda. It had a capacitance of about 100 uF.
Update: also see:
Baking Soda Variable Electrolytic Capacitor. - "Baking Soda Variable Electrolytic Capacitor. - While experimenting with the borax rectifier, I found that everything also worked well using a baking soda solution (1 tablespoon baking soda to 2 cups of tap water). The aluminum strip shown in the above picture was cut from a piece of aluminum pie plate. I also discovered, with either the borax or baking soda rectifier, that it acted like a large capacitor as well as a rectifier when biased in the reverse direction. I had built a homemade electrolytic capacitor. I decided to do some experimenting and measurements to see what capacitance values could be obtained. I found it easy to get large values up to 100 uf. Since the capacitance is based on a thin film of aluminum oxide that forms on the aluminum plate, the capacitance can be varied by sliding the plate in or out of the baking soda soda solution. By using a wedge shaped piece of aluminum, I was able to get continuously variable capacitance ranges of up to 5000 to 1."
Borax or Baking Soda Rectifier and the glow. - "How To Observe The Glow From A Borax Or Baking Soda Rectifier."
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Originally posted by Cloxxki View PostThe background noise took up most of the display, it seemed. Perhaps our ears ar playing tricks on us? I too hear a rather clearn high-pitch tone, but I see the low-pitch peaks also. Might those be the strike rather than the ring?
All that below 100Hz seems like hum
Originally posted by Farrah Day View PostI don't want to argue for the sake of it with a Grizli, but lets look at it this way.
If you set a tuning fork in motion, it wll vibrate at it's resonant frequency, the frequency that requires the least energy. But the instant you touch a prong or prongs you will dampen the resonant action by effectively altering the physical characteristics of the tuning fork. The tuning fork has become metal tuning fork mass and your mass!
The resonant frequency of anything will change the instant you alter it's mass, which FF is effectively doing by gluing the tubes into a vessel, so I'm not sure why you would say I'm wrong.
Perhaps you can elaborate on yours tests?
Tried with different tubes.....
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Originally posted by rick123 View PostI agree with FD, I must also be missing something Griz, please explain.
I spent a bit of time this weekend recording the frequencies of various tubes. None of my tubes fall under 1k hz. most come in around 2k the larger diameter (1.5 inch) around 5k. The thinner the wall the higher the pitch.
Not a very good pic but here is what I was doing. Hanging different tubes, (clothes line style) and recording the tones with my computer mic.
I also claim that base harminic is NEVER as low as 50-100Hz as Fred claims....
I just say when you hold tube firmly in hand at the bottom (Fred glues all tubes in epoxy at the bottom) and when tube hangs freely base harmonics is practicly the same..
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Originally posted by lamare View Post
As far as I can tell, there are two ways to prevent these unwanted and expensive disturbances to reach your driving circuit:
1. Use a high-pass filter, as I explain in my article (linked below).
2. Match the resonances in your WFC to the resonances in your driving coils, so they resonate all at one and the same frequency (or at least harmonic to one another). Then you don't get these "beat" frequencies and so you don't have to pay the price of having your dipole, your voltage source, killed by the beat....
IMHO, option 2 would be the hard way to do this....
Meyer series LC resonance circuit can ONLY resonate at SINGLE frequency...
So seems that puharich way and Meyer ways are different ?
Electricaly those higher harmonics are filtered by series LC circuit that produce sine current at the capacitor (cell) and SQUARE voltage on the capacitor (cell)
so cell is basicly capacitor + low resisntce resistor ALL in one...
hmm..
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The diode is his (half-wave) rectifier.....
Meyer never once talks about the dielectric layer on the stainless steel, and we know from experimenting that the chromium oxide does not prevent current flow as you would expect from an insulative coating.
I'm not saying that it does not play some small part, just that it does not appear to be any kind of electrical insulator, hence in reality will incur little or no voltage drop.
But these are all long standing issues that arise on a regular basis, when people talk about very high voltage drops across the cells in a WFC, but with little or next to no current flow.
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Originally posted by Farrah Day View PostSurely you can't achieve a state of resonance after halfwave rectification has taken place!
Study the wave forms by Puharich! The rectifier rectifies the carrier wave, on top of which is the signal that your coils resonate at!
So, let's say your coils resonate at 10 kHz and you use a carrier wave of 100 kHz. Then the rectified carrier wave gives you 10 unidirectional pulses to your coil for every half swing they make. The other half of the swing, there should be no pulse....
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