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French 5.4 inch/45
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This gun armed several French predreadnought battleships and cruisers.  They have been refurbished for use as coast artillery.

         Refurbished French 138mm/45

     Caliber = 13.8 cm (5.4 inch)
     Shell weight = 43 kg (95 lbs)
     Muzzle velocity = 750 m/s (2461 fps)
     Relative ballistic performance: 0.95
     Muzzle energy = 12.108 megajoules = 4461.7 foot-tons
     Relative muzzle energy: 0.87
     Barrel length: 45 calibers

     Elevation          Range         Time      Velocity   Fall Angle
       2.5 deg        4100 meters     6.4 sec    557 m/s     3.1 deg
       5.0 deg        7000 meters    12.1 sec    456 m/s     7.0 deg
       7.5 deg        9200 meters    17.4 sec    394 m/s    11.5 deg
      10.0 deg       10900 meters    22.4 sec    355 m/s    16.4 deg
      12.5 deg       12400 meters    27.1 sec    329 m/s    21.3 deg
      15.0 deg       13700 meters    31.5 sec    312 m/s    26.1 deg
      20.0 deg       15800 meters    39.9 sec    296 m/s    35.4 deg
      25.0 deg       17400 meters    47.8 sec    293 m/s    43.4 deg
      30.0 deg       18600 meters    55.2 sec    298 m/s    50.1 deg
      35.0 deg       19400 meters    62.2 sec    305 m/s    55.5 deg
      40.0 deg       19900 meters    68.9 sec    315 m/s    60.1 deg
      45.0 deg       20000 meters    75.1 sec    325 m/s    63.9 deg
      50.0 deg       19700 meters    81.0 sec    335 m/s    67.3 deg

          Armor Penetration - Vertical Belt Armor
               (Relative armor quality, 0.95)
               Maximum penetration: 27.44 cm

     Elevation          Range            Belt       Deck
       1.9 deg        3300 meters        20 cm
       4.3 deg        6200 meters        15 cm
       8.9 deg       10200 meters         ...        2 cm
       9.3 deg       10500 meters        10 cm
      21.0 deg       16100 meters         ...        4 cm
      25.8 deg       17600 meters         5 cm
      32.5 deg       19000 meters         ...        6 cm
      46.9 deg       19900 meters         ...        8 cm

     Maximum range = 20000 meters at 43.6 deg elevation


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