Regina Elena, laid down 1901 

     Length, 145.0 m x Beam, 22.0 m x Depth, 7.9 m 
          12704 tonnes normal displacement (11095 tonnes standard) 

     Main battery:       4 x 30.5-cm (2 x 2) 
     Secondary battery: 12 x 20.3-cm (6 x 2) 
     QF battery:        16 x  7.6-cm 

          Weight of broadside: 3064 kg 

     2 TT, 45.0 cm (submerged)

     Main belt, 25.0 cm; ends unarmored 
     Armor deck, average 3.8 cm 
     Conning tower, 25.0 cm 

     Battery armor: 
          Main, 20.0 cm 
           

     Maximum speed for 15730 indicated kw = 21.00 knots 
          Approximate cruising radius, 10000 nm / 10 knots 

     Typical complement: 598-778 


                    Estimated cost, $6.086 million (£1.521 million) 

          Remarks: 

DESIGN FAILURE: Hull cannot carry loads! 

     Relative extent of belt armor,
     137 percent of 'typical' coverage. 

     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 .........................    843 tonnes =   7 pct 
          Armor, total .....................   3047 tonnes =  24 pct 

               Belt                            1822 tonnes =  14 pct 
               Deck                             597 tonnes =   5 pct 
               C.T.                             116 tonnes =   1 pct 
               Armament                         512 tonnes =   4 pct 

          Machinery ........................   3243 tonnes =  26 pct 
          Hull and fittings; equipment .....   3097 tonnes =  24 pct 
          Fuel, ammunition, stores .........   2425 tonnes =  19 pct 
          Miscellaneous weights ............     50 tonnes =   0 pct 
                                              ----- 
                                              12704 tonnes = 100 pct 

          Estimated metacentric height, 1.5 m 

     Displacement summary: 

          Light ship:             10279 tonnes 
          Standard displacement:  11095 tonnes 
          Normal service:         12704 tonnes 
          Full load:              13940 tonnes 

          Loading submergence 2021 tonnes/metre 

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


     Estimated overall survivability and seakeeping ability: 

          Relative margin of stability: 1.29 

          Shellfire needed to sink: 1882 kg = 4.8 x 30.5-cm shells 
               (Approximates weight of penetrating 
               shell hits needed to sink ship, 
               not counting critical hits) 

          Torpedoes needed to sink: 1.0 
               (Approximates number of 'typical' 
               torpedo hits needed to sink ship) 

          Relative steadiness as gun platform, 51 percent 
               (50 percent is 'average') 

          Relative rocking effect from firing to beam, 0.39 

          Relative quality as a seaboat: 1.01 

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


     Hull form characteristics: 

          Block coefficient: 0.50 
          Sharpness coefficient: 0.38 
          Hull speed coefficient 'M' = 6.23 
          'Natural speed' for length = 21.8 knots 
          Power going to wave formation 
               at top speed: 46 percent 


     Estimated hull characteristics and strength: 

          Relative underwater volume absorbed by 
               magazines and engineering spaces: 136 percent 

          Relative accommodation and working space: 71 percent 


          Displacement factor: 77 percent 
               (Displacement relative to loading factors) 


          Relative cross-sectional hull strength: 0.69 
               (Structure weight per square 
               metre of hull surface: 489 kg) 

          Relative longitudinal hull strength: 0.93 
               (for 3.15 m average freeboard; 
               freeboard adjustment -1.69 m) 

          Relative composite hull strength: 0.71 

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


[Machine-readable parameters: Spring Style v. 1.2.1] 

475.60 x 72.16 x 25.91; 10.33 -- Dimensions 
0.50 -- Block coefficient 
1901 -- Year laid down 
21.00 / 10000 / 10.00; Reciprocating -- Speed / radius / cruise 
50 tons -- Miscellaneous weights 
++++++++++ 
4 x 12.01; 2; 0 -- Main battery; turrets; superfiring 
   : 
12 x 7.99; 6 -- Secondary battery; turrets 
   : 
16 x 2.99 -- Tertiary (QF/AA) battery 
   : 
0 -- No fourth (light) battery 
2 / 2 / 17.72 -- TT / submerged / size 
++++++++++ 
9.84 / 0.00 / 0.00 / 0.00; 137 -- Belt armor; relative extent 
1.50 / 9.84 -- Deck / CT 
7.87 / 0.00 / 0.00 / 0.00 -- Battery armor 


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


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

elena
Regina Elena
145
22
7.9
.5
y
1901
4
30.5
2
0
n
12
20.3
6
16
7.6
0
2
2
45
25
0
0
136.5
0
3.8
25
20
0
0
n
50
z
n
21
y
10
z
y
10000
3.15
z
50