112 



Table XI. — Smooth-hore and Rifled Ordnance. 









Proieetile. 









Nature of Ordnance. 



Cxiarge. 







Initial 

 Velocity. 



Velocity at 

 90 Feet. 









Nature. 



Weight. 







lbs. ozs. 





lbs. ozs. 



ft. per sec. 



ft. per sec. 



I. 



68-pr. 95 cwt, . . . 



16 0 



IX. SllOL, 



DO fx 



1579 '0 



1006 6 



II. 





11 11 



'NT PI \7 Q n 



i-^ t* V . OIIL'L. 



51 8 



1809-9 



1769-4 



III. 



11 n . . ' 



11 11 



Com. shot, 



49 14 



1790 '7 



1750 "3 



1 V . 



Iz-pr. lo cwt., . . . 



4 0 



Sol. shot, 



12 lOi 



1769 -8 





V. 



12-pr. Armstrong, . . 



1 8 



S. shell, 



11 -76 lb. 



1242-8 



1233-2 



VI. 



20-pr. A.rrnstrong, i 

 Land service, } 



2 8 



Shot, 



21-20 „ 



1114-3 



1107-2 



VII. 



20-pr, Armstrong, \ 

 Sea service, / 



2 8 



Shot, 



21-20 „ 



997-5 



991-4 



VIII. 



40-pr. Armstrong, \ 

 Land service, j ' 



6 0 



Shot, 



41-50 „ 



1134-1 



1128-2 



IX. 



100-pr. Armstrong, . . 



12 0 



Shot, 



111-6 „ 



1124-7 



1120 0 



X. 



100-pr. Armstrong, . , 



12 0 



C. shell. 



103-8 „ 



1166-1 



1161-4 



From the preceding Table I have calculated the following results :■ 



Table X.II. — Work of Projectiles from Smooth-hore and Rifled 

 Ordnance. 



I. 



XL 

 IIL 

 IV. 



V. 

 VI. 



VIL 



VIIL 



IX, 

 X. 



Ordnance. 



68-pr. R. shot, . . 



„ Nav. shot, . 



,, Com. shot, , 



12-pr. Sol. shot, 



„ Armstrong, ^ 

 S. shell, ) 

 20-pr. Armstrong, \ 

 Land-service . 

 shot, I 

 ,, Armstrong, 

 Sea- service 

 shot, 



40-pr, Armstrong, ] 

 Land-service / 

 shot, / 

 100-pr. Armstrong | 

 shot, ; 

 ,, Armstrong "i 

 C. shell, 1 



Work at Muzzle. I Work at 90 Feet. 



1145 tons lifted 1ft. 

 1170 

 1109 



274-8 „ 



125-8 „ 



182-5 „ 



146-2 „ 



370-0 „ „ 



978-6 „ „ 



978-4 „ 



1108 ft. tons. 

 1118 

 1060 



259-8 „ 



123-9 „ 



180-2 „ 



144-4 „ 



366-2 „ 



970-4 „ 



970-6 „ 



Difference. 



37 ft. tons, 



52 



49 



15 



1- 9 „ 



2- 3 „ 



1-8 „ 



3 8 „ 



8-2 „ 



7-8 „ 



1 



22-50 



1 



1F32 



1 



^6-2 



1 



81^2 



97-4 

 1 



119-3 

 1 



125-4 



