B 


     Caliber = 5.7 cm (2.2 inch) 
     Shell weight = 2 kg (4 lbs) 
     Muzzle velocity = 924 m/s (3030 fps) 

     Relative ballistic performance: 0.57 

     Muzzle energy = 0.853 megajoules = 314.4 foot-tons 

     Relative muzzle energy: 0.87 

     Barrel length: 45 calibers 


     Elevation          Range         Time      Velocity   Fall Angle 

       2.5 deg        2800 meters     6.0 sec    265 m/s     5.6 deg 
       5.0 deg        3600 meters    10.1 sec    183 m/s    13.6 deg 
       7.5 deg        4200 meters    13.6 sec    150 m/s    22.6 deg 
      10.0 deg        4600 meters    16.6 sec    135 m/s    31.0 deg 
      12.5 deg        4900 meters    19.4 sec    128 m/s    38.8 deg 
      15.0 deg        5100 meters    21.9 sec    126 m/s    45.4 deg 
      20.0 deg        5400 meters    26.7 sec    126 m/s    56.3 deg 
      25.0 deg        5600 meters    31.0 sec    130 m/s    63.9 deg 
      30.0 deg        5700 meters    35.1 sec    134 m/s    69.5 deg 
      35.0 deg        5700 meters    38.9 sec    138 m/s    73.6 deg 
      40.0 deg        5600 meters    42.6 sec    141 m/s    76.8 deg 
      45.0 deg        5400 meters    46.0 sec    144 m/s    79.2 deg 
      50.0 deg        5100 meters    49.1 sec    146 m/s    81.1 deg 


          Armor Penetration - Vertical Belt Armor 

               (Relative armor quality, 1.00) 

               Maximum penetration: 10.58 cm 


     Elevation          Range            Belt       Deck 



     Maximum range = 5700 meters at 32.2 deg elevation