Word: alloys
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Dates: during 1950-1959
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...armed services use the lead-alloy Comet models ("accurate down to the thickness of the lacquer") to teach identification, demonstrate naval, land and air maneuvers on miniature battle grounds, and practice range-finding for gunners. Working from photos, blueprints or handmade models supplied by the armed forces, Comet's 50-man production line is ringed with the same security as many another defense plant. In an emergency, Comet's diemakers have turned out models of a weapon in 72 hours, from drawing board to finished product. At the time the first Walker Bulldog tanks rolled off the Cadillac...
...Import needed alloy minerals duty free...
Pratt & Whitney has already made big gains in solving the problem.lt has worked out high-alloy mixes which eliminate the use of columbium completely in the J-48. It has also reduced the use of other critical metals to a mere fraction of a pound per engine. Others have developed substitutes which permit existing supplies of the critical metals to be stretched 15 times farther...
...Again, On Again. By last week it was high time for programing. Already, half of U.S. steel production was under DO (Defense Order) priority, yet the all-important U.S. aircraft industry was running short of special-alloy steels. And while the main emphasis had been on new plant expansion, there had been little check on whether it was for arms or unnecessary civilian goods. As a result, structural steel had grown so short that new restrictions had to be placed last week on residential building and industrial expansion. Example: the petroleum industry was told that it would get no more...
...Squeezed Blades. Curtiss-Wright Corp. has developed a method to squeeze out airplane propeller blades like toothpaste by forcing red-hot alloy steel through dies under enormous pressure. By saving 40% of the man-hours formerly used in machining and finishing, Curtiss-Wright says that one of its giant presses can now turn out three times as many blades a day as the entire aircraft industry did daily during World...