136 
POSITION of CHARGE C and GAUGES G 
( DISTANCES in FEET) 
SURFACE 
Ap 
TONS PER SQUARE INCH 
THOUSANDTHS OF A SECOND 
Fig. 18. 1600 lbs. of 80/20 Amatol (X5, Table VIII.); average of Shots 85, 86, 87; gauges 127 feet 
rom centre of charge; maximum pressure = .56. 
Oe ISA GICAL Si ali ITION of CHAR and GA 
MMMM aernecsin reer) ue 
HP 
is i a ae 
BEL IRE ees 
Sl Ee Ee ee 
peal (rv Ape Se) RSL Sa 
Am @ fed | ep 
PON Tid | Rea iON Re 
SARIN eect oir et fey | elo] 
(ea ESS." a Gs aD a Hina) 
oe} ARE Pa Vode ds lo 
| Ewha RRR iene 
ey ETE Oe Fa Re a a fd 
obo ck HH 
2 Sah Ree Von aee 
2 HA 4 
EEEEEEE EERE 
(Si SB ds me 
THGUSANOTHS OF A SECOND 
Fig. 19. Calculated effect of a 5 ton charge of 50/50 Ametol under the conditions shown in tae inset 
diagram, tne pressure being taken at the point Z. 
