= ° Ronn <. > Project 1,1 - Shock Photography - J. Petes Oyey VES To study the mechanical effects of a vater surface or: shock propagstion, To study the thermal effects, if anv. resulting frew heating of air near the ground surface on shock tranamission. fo determine peak shock overpressure as a function of 41stance both at the surface (water) ani above groum sero, TESTOUMERTATION The instrumenta‘ion for this shot corsisted of emoke rocket photography. Rockets were fired fror a station on Fniirikku approximtely 60°O' frow ground sere, The careras were locate! of Fnyv. RESULTS The rocket instrupentatior and the photographic iratrumentation were successful. The filrs were of very high quality ani can be used to obtain all three objectives, The preliminary inspection of the filrs shows no thermal effects in the field of view of project filre. BEST AVAILABLE COPY ~ 206

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