ae (KICKAPOO) Project 30.1 —- Fireball Effects - F. E. Thompeon The primary objective of Project 30.1 was to determine the rate of removal of mete] from aluminus, copper and steel semples inside a firebs 2, Tve techniques were employed to attain these objectives. In the first method, a 12-inch diameter, 200 foot steel column was erected to within 10 feet of the veapon cab. Semrples of three metals, 24 ST alusiman, 1020 cold-rolled steel] and 99.9 percent pure copper vere positioned in pipe couplings at eight stations loosted along the steel column. Fach saarle hed four shorting-and-opening probes which were embedded at varying decths, They actuated vhen the material had been vaporized to the probs depth. Signal leeds were run from the samples through e 1-1/4 inch conduit inside the column to a recording shelter at the foot of the tover. In the second method, four recoilleas rifles were sounted on the tover cab. These rifles positioned rrojectiles containing test actela in the fireball. It was hoped to carture two of the projectiles in catchers limiting their exposure. High speed cotion picture cameras vere used to obtein projectile positioning, Based on an examination of semples from the first method of investigation, the test date indicates that of 48 instrumentation probes im the upper four atstions cf the column, 14 appesr to have actusted. Of these 18, five were recorded on magnetic tape. Continuing examinations of other samples may yield additional information, lower stations within the column failed to indicate any temperature change. C PY, BEST AVAILASO TLLE E CO a 2» Instrumentation at comOoot E oh 21&