If you have seen the famous image of the Rossi HT "HotCat" showing the resistance wiring, then you probably realize that the electrical input, even though it is used for heating, and even though it is not applied constantly - has an equivalent amp-turn property. http://www.wired.co.uk/news/archive/2012-09/14/cold-fusion/viewgallery/29059 8
It can be estimated that the amp-turn equivalent of the device pictured is 10,000 if one includes the turns around the wire axis at 10 amps input - but that this arrangement cannot be modeled as a solenoid, and the resultant magnetic field would be complex, probably helical and only a few hundred gauss. Still, the 10,000 amp-turns stuck in my mind as worth remembering, since Letts/Cravens found that LENR benefits from modest fields of a few hundred gauss and not higher. As fate would have it, this value turned up recently as a "magic rating" in another field http://www.oem-usa.com/news/info_The_magical_mag_coil.html ... magic indeed. The $64 question in all of this is why a small field works best - and does a small helical field work best of all?
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