& | @ 4100 s 4 " x a 5 a vn The reduction in ;ressures from surface effects on MIKE were not expected to be serious, and to approach ideal pressures and wave forms. On KI, separate blast lines were cotablished to compare wave forms and pressures over both land and water surfaces. i sat Ht er re Aee a waves produced by the explosion, crater sise, energy absorption by ground and ground accelerations, which were of considerable interest because of the lerge change ‘in scale of the MIKE weapon. It is of interest to note that energy-wise MIKE Shot involved a change ae Saar: a “es pLiines Maia A third phase of Program 6 involved studies of phenomena such as water cet ne Mh ere Seat 4 ae ee Pare at ya St ee woes of scaling in the same ratio to nominal atomic weapons, as those veapons stood to the large high explosive boabe used in World War IJ, and sgain as these stand to “suall charges”, i.e., there is the one thousand~-fold change of scale in 12 Mf: 12 XT: 12 tons (THT): 2h ide. (THE) Despite this change of sacele, no doubt was cast upon the basic validity of the wl/3 scaling law, as it applied to the basic framework of the blast ware. The questions of scaling are concerned only with the failure of its perturbations to scale. As such, the data from MIKE or XING Shots eannot be scaled directly 4m a sixple fasion vithout considering the ceuses for failure of scaling listed above in the three types of perturbetions. I Meequresents - XOKE SHOT BEST AVA'LABLE COPY reports of Program 3, from whieh the yield te estimted as i2 /1... ‘the firedall analysis is of interest here because it shows that there is little which is unusual during the early history of the blast wave, and because it is funda- SNL tae gct Tiakp Ue BEA SS Discussion of preliminary fireball analysis is presented in preliminary