Target Used in Skid Test at LASL

The target consists of a 2x2 inches, 10 gage steel plate coated with a thin layer of epoxy resin, sprinkling it with 30-mesh (max) sand, and curing. The plate rests on a rectangular steel pad 4.5 inches thick, as shown in Fig 6 

The hemispherical drop charge, ca 10-inches in diam, consists of 9-lb inert core and 10-lb of expl. Results of test are reported in terms of the 50% height (measured in feet vertically from center of target) by up and down technique, using 15 to 20 drops for each expl sample 

90/10-PBX 75/25-CycIotol 75/25-Octol Octol +1% Wax Comp A Comp B 5.5 150 75 150 150 A small partial expln was obtd at 30 ft 

55c) A.I. Gol binder, Laboratornyiye Raboty po Teorii Vzryvchatykh Veshchestv (Laboratory Proceedings on Theory of Explosives), Razvuzizdat, Moscow (1963) 

55d) J.N. Ayres, Explosive Properties from Small Gap Test Measurements , Discussion at ERDE, Waltham Abbey, England, Oct 4, 19 3 

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