mk1 


     Caliber = 2.5 cm (1.0 inch) 
     Shell weight = 0 kg (1 lbs) 
     Muzzle velocity = 555 m/s (1819 fps) 

     Relative ballistic performance: 0.70 

     Muzzle energy = 0.062 megajoules = 22.673 foot-tons 

     Relative muzzle energy: 0.74 

     Barrel length: 40 calibers 


     Elevation          Range         Time      Velocity   Fall Angle 

       2.5 deg        1700 meters     4.4 sec    299 m/s     3.8 deg 
       5.0 deg        2700 meters     8.0 sec    220 m/s     9.2 deg 
       7.5 deg        3300 meters    11.1 sec    182 m/s    15.4 deg 
      10.0 deg        3700 meters    14.0 sec    160 m/s    22.1 deg 
      12.5 deg        4100 meters    16.6 sec    148 m/s    28.6 deg 
      15.0 deg        4300 meters    19.0 sec    141 m/s    34.6 deg 
      20.0 deg        4800 meters    23.5 sec    136 m/s    45.5 deg 
      25.0 deg        5000 meters    27.6 sec    137 m/s    54.1 deg 
      30.0 deg        5200 meters    31.5 sec    140 m/s    61.0 deg 
      35.0 deg        5200 meters    35.0 sec    144 m/s    66.0 deg 
      40.0 deg        5200 meters    38.4 sec    148 m/s    70.2 deg 
      45.0 deg        5100 meters    41.5 sec    152 m/s    73.4 deg 
      50.0 deg        4800 meters    44.4 sec    156 m/s    76.1 deg 


          Armor Penetration - Vertical Belt Armor 

               (Relative armor quality, 1.00) 

               Maximum penetration: 4.18 cm 


     Elevation          Range            Belt       Deck 



     Maximum range = 5200 meters at 35.4 deg elevation