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Palladia Class Protected Cruiser
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The Palladia Class Protected Cruisers were refitted in 1918 and 1919.

Palladia Class Protected Cruiser, laid down 1897
     Length, 123.7 m x Beam, 16.8 m x Depth, 6.4 m
          6973 tonnes normal displacement (6208 tonnes standard)
     Main battery:      14 x 15.0-cm
     Light battery:      4 x  1.3-cm
          Weight of broadside: 655 kg
     3 TT, 45.0 cm in one triple mount
     150 tons mines
     Main belt, 8.0 cm; bow and stern, 3.0 cm
     Upper belt, 5.0 cm
     Armor deck, average 2.0 cm
     Conning tower, 10.0 cm
     Battery armor:
          Main, 5.0 cm shields
          
     Maximum speed for 11406 indicated kw = 21.00 knots
          Approximate cruising radius, 2500 nm / 15 knots
     Typical complement: 382-496

                    Estimated cost, $2.841 million (710,000)
          Remarks:
     Relative extent of belt armor, 140 percent of 'typical' coverage.
     Ship has slow, easy roll; a good, steady gun platform.
     Good seaboat; rides out heavy weather easily.
     Magazines and engineering spaces are cramped, with poor
     watertight subdivision.
     Cramped ship; poor crew accommodation, limited working space.

          Distribution of weights:
                                                       Percent
                                                       normal
                                                    displacement:
          Armament .........................    180 tonnes =   3 pct
          Armor, total .....................   1057 tonnes =  15 pct
               Belt                             763 tonnes =  11 pct
               Deck                             210 tonnes =   3 pct
               C.T.                              31 tonnes =   0 pct
               Armament                          53 tonnes =   1 pct
          Machinery ........................   2506 tonnes =  36 pct
          Hull and fittings; equipment .....   2055 tonnes =  29 pct
          Fuel, ammunition, stores .........   1025 tonnes =  15 pct
          Miscellaneous weights ............    150 tonnes =   2 pct
                                              -----
                                               6973 tonnes = 100 pct
          Estimated metacentric height, 1.1 m
     Displacement summary:
          Light ship:              5948 tonnes
          Standard displacement:   6208 tonnes
          Normal service:          6973 tonnes
          Full load:               7557 tonnes
          Loading submergence 1352 tonnes/metre
     +++++++++++++++++++++++++

     Estimated overall survivability and seakeeping ability:
          Relative margin of stability: 1.38
          Shellfire needed to sink: 1725 kg = 36.8 x 15.0-cm shells
               (Approximates weight of penetrating
               shell hits needed to sink ship,
               not counting critical hits)
          Torpedoes needed to sink: 0.8
               (Approximates number of 'typical'
               torpedo hits needed to sink ship)
          Relative steadiness as gun platform, 70 percent
               (50 percent is 'average')
          Relative rocking effect from firing to beam, 0.16
          Relative quality as a seaboat: 1.38
     +++++++++++++++++++++++++

     Hull form characteristics:
          Block coefficient: 0.52
          Sharpness coefficient: 0.37
          Hull speed coefficient 'M' = 6.49
          'Natural speed' for length = 20.1 knots
          Power going to wave formation
               at top speed: 49 percent

     Estimated hull characteristics and strength:
          Relative underwater volume absorbed by
               magazines and engineering spaces: 139 percent
          Relative accommodation and working space: 88 percent

          Displacement factor: 91 percent
               (Displacement relative to loading factors)

          Relative cross-sectional hull strength: 0.97
               (Structure weight per square
               metre of hull surface: 441 kg)
          Relative longitudinal hull strength: 1.55
               (for 4.00 m average freeboard;
               freeboard adjustment -0.30 m)
          Relative composite hull strength: 1.02
     +++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]
405.74 x 55.10 x 20.99; 13.12 -- Dimensions
0.52 -- Block coefficient
1897 -- Year laid down
21.00 / 2500 / 15.00; Reciprocating -- Speed / radius / cruise
150 tons -- Miscellaneous weights
++++++++++
14 x 5.91; 0 -- Main battery; turrets
  Central positioning of guns
  Gun-shields
   :
0 -- No secondary battery
0 -- No tertiary (QF/AA) battery
4 x 0.51 -- Fourth (light) battery
3 / 0 / 17.72 -- TT / submerged / size
++++++++++
3.15 / 1.18 / 1.97 / 0.00; 140 -- Belt armor; relative extent
0.79 / 3.94 -- Deck / CT
1.97 / 0.00 / 0.00 / 0.00 -- Battery armor

     (Note: For portability, values are stored in Anglo-American units)

     +++++++++++++++++++++++++++++++++++++++++++++++++++++++


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