1 


     Caliber = 3.7 cm (1.5 inch) 
     Shell weight = 1 kg (2 lbs) 
     Muzzle velocity = 683 m/s (2241 fps) 

     Relative ballistic performance: 0.52 

     Muzzle energy = 0.233 megajoules = 85.995 foot-tons 

     Relative muzzle energy: 0.87 

     Barrel length: 45 calibers 


     Elevation          Range         Time      Velocity   Fall Angle 

       2.5 deg        2100 meters     5.0 sec    283 m/s     4.5 deg 
       5.0 deg        3000 meters     8.8 sec    199 m/s    11.0 deg 
       7.5 deg        3600 meters    12.1 sec    163 m/s    18.6 deg 
      10.0 deg        4000 meters    14.9 sec    145 m/s    25.9 deg 
      12.5 deg        4300 meters    17.6 sec    135 m/s    33.3 deg 
      15.0 deg        4500 meters    20.0 sec    130 m/s    39.7 deg 
      20.0 deg        4900 meters    24.5 sec    128 m/s    50.7 deg 
      25.0 deg        5100 meters    28.7 sec    130 m/s    59.1 deg 
      30.0 deg        5200 meters    32.5 sec    134 m/s    65.2 deg 
      35.0 deg        5200 meters    36.1 sec    138 m/s    69.9 deg 
      40.0 deg        5100 meters    39.5 sec    142 m/s    73.6 deg 
      45.0 deg        5000 meters    42.7 sec    145 m/s    76.5 deg 
      50.0 deg        4800 meters    45.7 sec    148 m/s    78.8 deg 


          Armor Penetration - Vertical Belt Armor 

               (Relative armor quality, 1.00) 

               Maximum penetration: 6.87 cm 


     Elevation          Range            Belt       Deck 



     Maximum range = 5200 meters at 33.6 deg elevation