Talk:Earth battery
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Any energy derived from an Earth Battery was put in when the metals were smelted, less many inefficiencies - a net loss for Mother Earth. —Preceding unsigned comment added by Johna (talk • contribs)
I have examined the patent for the Stubblefield earth cell, and there is no mention of tuned circuits, nor have I seen any mention of tuned circuits in combination with the earth cell in his writings, or in contemporary printed accounts of his work. I propose to remove the reference to tuned circuits unless someone can cite a verifiable source for same by the end of June. Edison 14:30, 7 June 2006 (UTC)
- Read the other patents, not just stubblefield's. Also this is the general use [in telegraphy and wireless], not just stubblefield's (he's the one most people refer to @ this device though). 204.56.7.1 19:23, 7 June 2006 (UTC)
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[edit] Error in Article - Operation and utilisation
Surely what is happening here is similar to a Galvanic Cell. The article clearly states that in a drought the "batteries" are of little use. But this wouls mean that the plate made of the less noble (base) will experience galvanic corrosion. Protecting the base from corrosion will stop the battery from working. In which case the Operation and utilisation section contains many errors and should be corrected. --Dumbo1 21:50, 23 June 2006 (UTC)
They can act as receivers of natural noise sources and telluric currents. 204.56.7.1 17:33, 26 June 2006 (UTC) (PS. READ THE PATENTS! Not all Earth batteries operate on galvanic corrosion (such as Emil, "U.S. Patent 690151 Method of utilizing electrical earth currents".)
Changed this to "Operating only as electrolytic devices, the devices were not continously reliable owing to drought condition." 204.56.7.1 17:35, 26 June 2006 (UTC)
There's something fishy here. It does works one way or another; I tested it and achieved 0.6 VDC with a copper and iron pipe spaced 4.5 ft north-south in moist soil. If I'm reading this[1] correctly, galvanic corrosion should only account for 0.3 VDC. The part that I must question is the references being used. theverylastpageoftheinternet's plans, in particular, look suspiciously like something Alex Chiu would write, claiming the device draws ether in addition to conventional electricity. "An Introduction to the Mysteries of Ground Radio" favors calling it geomantic energy. Whether these are correct or not is debatable, but the fact that this article uses references with unverifiable claims casts doubt on its empirical accuracy. Perhaps "External Links and References" should be seperated into "References" and "External Links"?
Edit: the actual context of the plans on theverylastpageoftheinternet is that the site's author obtained the content from an eBay auction, and put the plans up to flag it as a scam. Note the comment at the bottom of page 10[2] and the link explaining galvanic cells. Since the plans are decisively for a galvanic battery, not an earth battery, I have removed it.
~ Eidako 09:27, 14 July 2006 (UTC)
[edit] Original research, pseudoscience.
Would be good to remove original research & pseudoscience from the article. If you dig two different metals, you gonna get corrosion, that is well known effect that is practically utilized (e.g. zink plate protecting iron pipe from corrosion). The stuff about magnetic inclination etc doesn't list sources and should be removed. Natural telluric currents generally have very small current density; also them would work with same metals. I don't have much time to do cleanup now, and i don't have time to keep an eye on this page...
[edit] Unreferenced material and further work
As comments above already illustrated, i think it is really necessary to mark this article for Expert attention:
- the working principle of the earth battery is unclear and confusing, is it an ordinary galvanic cell or does it (also) rely on telluric currents? and how large are the contributions of all different factors (like soil acidity & moisture, type & spacing of the metal electrodes, the local electric field induced by telluric currents, electrode surface, type of metal of the connecting wires,...)?
- there is no reference to the mentioned work of Lord Kelvin or any other, reliable source
- many patents are mentioned but these are by no means scientific proof.
The real bicky 08:49, 21 March 2007 (UTC)
There does need to be some references. Changed mark of "expert" to "unreferenced". Will start on that. It is a galvanic cell which also as acts a telluric current recieve. J. D. Redding 17:08, 1 April 2007 (UTC)
[edit] Additions
Below items shouldbe addressed. Place answer/citation under bullet. J. D. Redding
How large are the contributions of all different factors?
- soil acidity & moisture
- type & spacing of the metal electrodes
- the local electric field induced
- electrode surface,
- type of metal
[edit] Citations
Below items should be addressed. Place answer/citation under bullet. J. D. Redding
- work of Lord Kelvin
- Method and apparatus for generating electricity, US Pat. 4153757. Column 1 Line 40 - Column 2 Line 4.
- Natural telluric current density
- magnetic inclination
- Galvanic Cell
- geomantic energy
- galvanic corrosion account for VDC
- telluric current account for VDC
- Charles P. Marsh, et. al., Freshwater Corrosion in the Duluth – Superior Harbor; Summary of Initial Workshop Findings, 9 September 2004. Page 15 -16 : "[the] source of stray current occasionally observed on long pipelines, although not usually considered significant, is Telluric current. These currents occur below the Earth’s surface as a result of charge flows or rearrangements in the upper atmosphere. Alternating current (AC) is often incorrectly cited as the source of stray current corrosion, but AC does not contribute to corrosion of bur ied or submerged steel structures." http://seagrant.wisc.edu/CoastalHazards/portals/5/freshwatercorrosionduluth.pdf.
- telluric currents in general
- It has been estimated that telluric currents overall during twelve hours in one hemisphere are in range of 100 to 1000 amperes. (from linked article)
- other scientific proof
- Potential o metals in soils
Lastly, READ THE PATENTS!
