Caliber = 5.7 cm (2.2 inch)
     Shell weight = 3 kg (7 lbs)
     Muzzle velocity = 914 m/s (2997 fps)

     Relative ballistic performance: 0.89

     Muzzle energy = 1.252 megajoules = 461.4 foot-tons

     Relative muzzle energy: 1.28

     Barrel length: 60 calibers

     Elevation          Range         Time      Velocity   Fall Angle

       2.5 deg        4100 meters     6.9 sec    416 m/s     4.2 deg
       5.0 deg        6000 meters    12.3 sec    297 m/s    10.4 deg
       7.5 deg        7200 meters    16.9 sec    244 m/s    17.3 deg
      10.0 deg        8100 meters    21.0 sec    217 m/s    24.3 deg
      12.5 deg        8800 meters    24.8 sec    202 m/s    31.1 deg
      15.0 deg        9400 meters    28.4 sec    194 m/s    37.5 deg
      20.0 deg       10200 meters    35.0 sec    191 m/s    48.2 deg
      25.0 deg       10800 meters    41.2 sec    194 m/s    56.5 deg
      30.0 deg       11300 meters    47.0 sec    200 m/s    62.7 deg
      35.0 deg       11500 meters    52.4 sec    207 m/s    67.4 deg
      40.0 deg       11500 meters    57.6 sec    213 m/s    71.1 deg
      45.0 deg       11300 meters    62.5 sec    219 m/s    74.1 deg
      50.0 deg       11000 meters    67.0 sec    224 m/s    76.5 deg

          Armor Penetration - Vertical Belt Armor

               (Relative armor quality, 0.85)

               Maximum penetration: 16.97 cm

     Elevation          Range            Belt       Deck

       3.3 deg        4800 meters         5 cm
      32.3 deg       11400 meters         ...        2 cm

     Maximum range = 11500 meters at 38.2 deg elevation
     Maximum altitude = 8670m at 80 deg elevation