RELATIVE PRESSURE p(t) 
F1IG,14 
PRESSURE—TIME CURVES FOR 8 Ib, 
CHARGES AT RANGES OF 6000 & 20,000ft. 
SHOWING EXPECTED EFFECT OF RECORDING 
CORRESPONDING CURVES OF FIG.12 WITH 
GAUGES HAVING AN EFFECTIVE DIAMETER 
OF ABOUT 2.5 INCHES. 
20 40 60 80 100 120 140 
TIME t (wsec) 
-67- 
1543 
