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9.45"/50 Model 1927

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This gun has been developed from the previous 9.45 inch gun to arm battlecruisers and coast artillery.  It features a much heavier shell than its predecessor.

          French 240mm/50 model 1927

     Caliber = 24.0 cm (9.4 inch)
     Shell weight = 250 kg (551 lbs)
     Muzzle velocity = 766 m/s (2512 fps)
     Relative ballistic performance: 0.95
     Muzzle energy = 73.292 megajoules = 27008.1 foot-tons
     Relative muzzle energy: 1.00
     Barrel length: 50 calibers

     Elevation          Range         Time      Velocity   Fall Angle
       2.5 deg        4600 meters     6.7 sec    642 m/s     2.9 deg
       5.0 deg        8400 meters    12.9 sec    561 m/s     6.2 deg
       7.5 deg       11400 meters    18.8 sec    505 m/s     9.9 deg
      10.0 deg       14100 meters    24.5 sec    464 m/s    14.0 deg
      12.5 deg       16400 meters    29.9 sec    436 m/s    18.1 deg
      15.0 deg       18400 meters    35.1 sec    417 m/s    22.2 deg
      20.0 deg       21800 meters    45.0 sec    395 m/s    30.2 deg
      25.0 deg       24600 meters    54.4 sec    390 m/s    37.5 deg
      30.0 deg       26800 meters    63.3 sec    393 m/s    43.8 deg
      35.0 deg       28500 meters    71.8 sec    402 m/s    49.2 deg
      40.0 deg       29500 meters    79.9 sec    413 m/s    54.0 deg
      45.0 deg       30000 meters    87.4 sec    426 m/s    58.0 deg
      50.0 deg       29700 meters    94.5 sec    438 m/s    61.8 deg

          Armor Penetration - Vertical Belt Armor
               (Relative armor quality, 0.95)
               Maximum penetration: 52.40 cm

     Elevation          Range            Belt       Deck
       1.5 deg        3000 meters        45 cm
       2.9 deg        5300 meters        40 cm
       4.0 deg        7000 meters         ...        2 cm
       4.7 deg        8000 meters        35 cm
       7.2 deg       11100 meters        30 cm
       7.9 deg       11900 meters         ...        4 cm
      10.7 deg       14800 meters        25 cm
      12.8 deg       16700 meters         ...        6 cm
      16.4 deg       19500 meters        20 cm
      18.5 deg       20900 meters         ...        8 cm
      22.9 deg       23500 meters         ...       10 cm
      26.7 deg       25400 meters        15 cm
      27.3 deg       25700 meters         ...       12 cm
      31.9 deg       27500 meters         ...       14 cm
      36.7 deg       28900 meters         ...       16 cm
      41.8 deg       29800 meters         ...       18 cm
      46.2 deg       30000 meters        10 cm
      47.1 deg       30000 meters         ...       20 cm

     Maximum range = 30000 meters at 45.7 deg elevation


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