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Registered
Join Date: May 2000
Location: Los Alamos, NM, USA
Posts: 6,044
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Boeing and the U.S. Department of Energy have been working in this area for some time (see below link for a report); with HTS magnetic bearings and other loss reducing measures they are obtaining rundown times comparable with battery natural discharge times. The technology may be useful for diurnal energy storage (solar and wind). I don't seeing it going low-tech enough for the third world for some time, but who knows. Fragment shielding could perhaps be more economically done by placing the units in pits or behind earthen berms.
http://www.osti.gov/bridge/purl.cover.jsp;jsessionid=EB55CF130E64F579D9AAF302 6F0594CA?purl=/909279-2BXgX2/
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