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Orphey Class Destroyer
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Orphey Class Destroyer, laid down 1914
     Length, 98.0 m x Beam, 9.3 m x Depth, 3.0 m
          1378 tonnes normal displacement (1284 tonnes standard)
     Main battery:       4 x 10.0-cm
     Secondary battery:  1 x  7.6-cm
     Light battery:      4 x  1.3-cm
          Weight of broadside: 62 kg
     9 TT, 45.0 cm
     Hull unarmored
     Battery armor:
          Main, 2.5 cm shields / secondary, 2.5 cm shields
          
     Maximum speed for 32101 shaft kw = 34.00 knots
          Approximate cruising radius, 1700 nm / 15 knots
     Typical complement: 113-147

                    Estimated cost, $901,000 (225,000)
          Remarks:
     Caution: Hull structure is subject to strain in open-sea
     conditions.
     Caution: Magazines and engineering spaces are very cramped,
     and lack adequate watertight subdivision.
     Oil firing.
     Ship has slow, easy roll; a good, steady gun platform.
     Good seaboat; rides out heavy weather easily.

          Distribution of weights:
                                                       Percent
                                                       normal
                                                    displacement:
          Armament .........................     17 tonnes =   1 pct
          Armor, total .....................      6 tonnes =   0 pct
               Armament                           6 tonnes =   0 pct
          Machinery ........................    851 tonnes =  62 pct
          Hull and fittings; equipment .....    370 tonnes =  27 pct
          Fuel, ammunition, stores .........    133 tonnes =  10 pct
          Miscellaneous weights ............      0 tonnes =   0 pct
                                              -----
                                               1378 tonnes = 100 pct
          Estimated metacentric height, 0.4 m
     Displacement summary:
          Light ship:              1245 tonnes
          Standard displacement:   1284 tonnes
          Normal service:          1378 tonnes
          Full load:               1448 tonnes
          Loading submergence 578 tonnes/metre
     +++++++++++++++++++++++++

     Estimated overall survivability and seakeeping ability:
          Relative margin of stability: 1.33
          Shellfire needed to sink: 134 kg = 9.7 x 10.0-cm shells
               (Approximates weight of penetrating
               shell hits needed to sink ship,
               not counting critical hits)
          Torpedoes needed to sink: 0.2
               (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, 0.21
          Relative quality as a seaboat: 1.20
     +++++++++++++++++++++++++

     Hull form characteristics:
          Block coefficient: 0.50
          Sharpness coefficient: 0.33
          Hull speed coefficient 'M' = 8.83
          'Natural speed' for length = 17.9 knots
          Power going to wave formation
               at top speed: 72 percent

     Estimated hull characteristics and strength:
          Relative underwater volume absorbed by
               magazines and engineering spaces: 209 percent
          Relative accommodation and working space: 99 percent

          Displacement factor: 40 percent
               (Displacement relative to loading factors)

          Relative cross-sectional hull strength: 0.44
               (Structure weight per square
               metre of hull surface: 147 kg)
          Relative longitudinal hull strength: 1.55
               (for 5.30 m average freeboard;
               freeboard adjustment +2.19 m)
          Relative composite hull strength: 0.50
     +++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]
321.44 x 30.50 x 9.84; 17.38 -- Dimensions
0.50 -- Block coefficient
1914 -- Year laid down
34.00 / 1700 / 15.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
 0 tons -- Miscellaneous weights
++++++++++
4 x 3.94; 0 -- Main battery; turrets
  Central positioning of guns
  Gun-shields
   :
1 x 2.99; 0 -- Secondary battery; turrets
  Gun-shields
   :
0 -- No tertiary (QF/AA) battery
4 x 0.51 -- Fourth (light) battery
9 / 0 / 17.72 -- TT / submerged / size
++++++++++
0.00 -- No belt armor
0.00 / 0.00 -- Deck / CT
0.98 / 0.98 / 0.00 / 0.00 -- Battery armor

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

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


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