Word: arcos
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Core & Blanket. Zuckert did not explain what he meant by a "power only" reactor, but in the current issue of Nucleonics, Dr. W. H. Zinn, director of the AEC's Argonne National Laboratory, described the experimental "breeder" reactor built and operated by the University of Chicago at Arco, Idaho. It produces "power only" by burning its own byproduct, plutonium...
...active core of the Arco breeder is about the size of a football. It is made of "enriched uranium," i.e., uranium rich in fissionable 11-235. Around the core is a "fertile blanket" of 11-238, the spent metal that remains when U-235 is extracted from natural uranium to make atom bombs. Through both blanket and core circulates a sodium-potassium alloy that is liquid at ordinary temperatures. This coolant carries away the heat of the nuclear reaction. The fluid metal leaves the reactor at 660° F., and produces enough steam to generate 250 kw. of power...
...Final Go-Ahead. From M.I.T., Rickover's students went to an AEC testing station at Arco, Idaho, to study the new engine. Then, a few days before the Korean war broke out last year, Rickover got a final go-ahead from Admiral Forrest Sherman and the Joint Chiefs of Staff...
...commission is sure the converter will work. The theoretical calculations are complete; the engineering designs are almost complete. No fuel has been bred so far because the reaction will not work except in a full-scale plant. A $3,500,000 plant will soon be built at Arco, Idaho...
...little alarmed by the excitement, AEC warned that there would be relatively few workers at first, 6,000 construction workers at peak, only 2,000 permanent settlers after building was complete. But Arco (and Idaho) went right on dreaming of factories in the desert, and daily passenger trains to replace the single coach-and-baggage-car that now shuttles along the Union Pacific spur to Blackfoot...