.107 



Table II. — SugarUaf Bullet. 



No. 



n. 



h. 









In. 



Ft. 





1. 



384 



17-50 



866 



•2 



2. 





17-00 



841 



•5 



3. 





17-37 



859 



-8 



4. 





17-75 



878 



•6 



5. 





17-62 



872 



3 



Mean velocity = 863*7 feet. 



Mean quantity of motion = 82-63 lbs. 



Mean quantity of Work = 1108 lbs. lifted one foot. 



Table 111.— Belted Bullet. 



1 No. 



n. 



b. 



V. 







In. 



Ft. 



1. 



533 



14-75 



1013-3 



2. 





15-37 



1055-9 



3. 





14-75 



1013-3 



4. 





15-12 



1038-7 



5. 





14-37 



987-2 



Mean velocity = 1021-68. 



Mean quantity of motion = 70-39 lbs. 



Mean quantity of Work = 1116 lbs. lifted one foot. 



The Minie regulation-rifle barrel having been attached to the pen- 

 dulum, formula (1) was calculated with the following constants, and the 

 results are given in Table IV, 



The carbine barrel was then attached to the pendulum, and the re- 

 coil observed. The results are contained in Table Y. 



g = 32-195 feet. Weight of pend. and Minie barrel = 56*50 lbs. 

 T = I -29 sec. Weight of pend. and carbine barrel = 55-25 lbs. 



= 61-75 in. 

 7r = 3-14159. 

 /=74in. 

 € = 77 m. 



From these constants we find 



v = 0'US26xnh. (3) 

 Table IV Minie Regulation Rifle. 



No. 



n. 



b. 



V. 







In. 



Ft. 



1. 



531 



12-25 



931-90 



2. 





11-50 



874-85 



3. 





12-12 



922-39 



4. 





1212 



922-39 



5. 





11-75 



893-86 



