566 



TABLii, IX 

 FIRST PERIOD CONSTANTS FOR 50-50 PENTOLITE 



Shot Nimber Charge Weight Depth Bottom Depth Period K^ 



(lb) 



H 

 (ft) 



(ft) 



(msec) 



G19F 



G32F 



G33F » 



G75F ° 



RE485 



RE488 



RE490 



Average 



a. Long cylinder - 6 in, by 1.5 in. 



b. Lower haJLf cased in brass, same shape as G33F 



c. 44 gra tetryl booster used. Weight added directly to weight of pento- 

 lite and total reported here. 



d. Period from pictures - no piezoelectric msasuxement 



e. Correction made for surfaces. 



TABLE Z 

 MISCELLANEOUS VALUES OF PERIOD CONSTANT 



Explosive 



Ki Reference 



Remarks 



lOOjS Blasting Gelatin 4.9 

 100$ Blasting Gelatin 4.74 



13 



50-50 Pentolite 



4.37 



Correction for surface made 

 Correction for surface made 

 Correction for surface made 

 Free water 



Extrapolated value. 1 oz charges 

 1 oz charges; Free water 

 1/2 lb charges.; Frse water 



120 gm; Correction for surface made 

 300 gmj Correction for surface made 

 250 gm; Correction for surface :nade 



Correction for surface made 

 Free water 



Correction for surface made 

 Free water 



Free water 

 Depth uncertain 



Conditions variable 



* See comments in Sec. 5 

 ** Values froT? this report. 



-10- 



