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Russian 100mm/50
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This gun is the main armament of older destroyers, and as heavy AA on newer battleships and cruisers.

         Russian 100mm/50

     Caliber = 10.0 cm (3.9 inch)
     Shell weight = 15 kg (33 lbs)
     Muzzle velocity = 841 m/s (2758 fps)
     Relative ballistic performance: 0.87
     Muzzle energy = 5.302 megajoules = 1953.7 foot-tons
     Relative muzzle energy: 1.00
     Barrel length: 50 calibers

     Elevation          Range         Time      Velocity   Fall Angle
       2.5 deg        4300 meters     6.8 sec    500 m/s     3.6 deg
       5.0 deg        6800 meters    12.5 sec    378 m/s     8.5 deg
       7.5 deg        8500 meters    17.6 sec    315 m/s    14.2 deg
      10.0 deg        9800 meters    22.2 sec    280 m/s    20.1 deg
      12.5 deg       10900 meters    26.6 sec    258 m/s    26.2 deg
      15.0 deg       11800 meters    30.6 sec    246 m/s    31.8 deg
      20.0 deg       13200 meters    38.3 sec    237 m/s    42.2 deg
      25.0 deg       14200 meters    45.3 sec    238 m/s    50.4 deg
      30.0 deg       14900 meters    52.0 sec    244 m/s    57.0 deg
      35.0 deg       15400 meters    58.3 sec    252 m/s    62.1 deg
      40.0 deg       15600 meters    64.3 sec    261 m/s    66.2 deg
      45.0 deg       15600 meters    69.9 sec    268 m/s    69.5 deg
      50.0 deg       15200 meters    75.2 sec    276 m/s    72.4 deg

          Armor Penetration - Vertical Belt Armor
               (Relative armor quality, 0.85)
               Maximum penetration: 25.32 cm

     Elevation          Range            Belt       Deck
       1.7 deg        3200 meters        15 cm
       3.9 deg        5800 meters        10 cm
      11.0 deg       10300 meters         5 cm
      14.2 deg       11500 meters         ...        2 cm
      31.6 deg       15100 meters         ...        4 cm

     Maximum range = 15700 meters at 41.4 deg elevation
     Maximum altitude = 11140 meters at 80 deg elevation


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