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Russian 130mm/55
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This gun is the secondary armament of several Russian battleships and cruisers, and is the main armament of the new Tashkent class destroyers.

          Russian 130mm/55

     Caliber = 13.0 cm (5.1 inch)
     Shell weight = 37 kg (82 lbs)
     Muzzle velocity = 846 m/s (2773 fps)
     Relative ballistic performance: 0.85
     Muzzle energy = 13.226 megajoules = 4873.8 foot-tons
     Relative muzzle energy: 1.14
     Barrel length: 55 calibers

     Elevation          Range         Time      Velocity   Fall Angle
       2.5 deg        4800 meters     7.0 sec    566 m/s     3.3 deg
       5.0 deg        7800 meters    13.1 sec    444 m/s     7.6 deg
       7.5 deg       10000 meters    18.7 sec    376 m/s    12.8 deg
      10.0 deg       11800 meters    23.8 sec    335 m/s    18.1 deg
      12.5 deg       13200 meters    28.6 sec    310 m/s    23.6 deg
      15.0 deg       14500 meters    33.2 sec    295 m/s    29.0 deg
      20.0 deg       16400 meters    41.7 sec    282 m/s    38.6 deg
      25.0 deg       18000 meters    49.7 sec    282 m/s    46.7 deg
      30.0 deg       19100 meters    57.3 sec    288 m/s    53.3 deg
      35.0 deg       19900 meters    64.5 sec    297 m/s    58.5 deg
      40.0 deg       20400 meters    71.3 sec    307 m/s    62.8 deg
      45.0 deg       20500 meters    77.8 sec    317 m/s    66.4 deg
      50.0 deg       20200 meters    83.8 sec    326 m/s    69.4 deg

          Armor Penetration - Vertical Belt Armor
               (Relative armor quality, 0.85)
               Maximum penetration: 35.83 cm

     Elevation          Range            Belt       Deck
       1.5 deg        3200 meters        25 cm
       2.8 deg        5200 meters        20 cm
       5.0 deg        7800 meters        15 cm
       7.3 deg        9900 meters         ...        2 cm
       9.6 deg       11600 meters        10 cm
      18.0 deg       15700 meters         ...        4 cm
      25.1 deg       18000 meters         5 cm
      28.1 deg       18700 meters         ...        6 cm
      40.6 deg       20400 meters         ...        8 cm

     Maximum range = 20500 meters at 43.6 deg elevation


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