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Admiral Lazarev Class Light Cruisers
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Admiral Lazarev Class Light Cruiser, laid down 1914
     Length, 163.2 m x Beam, 15.7 m x Depth, 6.2 m
          8489 tonnes normal displacement (7761 tonnes standard)
     Main battery:       9 x 15.0-cm (3 x 3; 1 superfiring)
     Secondary battery:  8 x 10.0-cm
     AA battery:         4 x  4.5-cm
     Light battery:      6 x  1.3-cm
          Weight of broadside: 537 kg
     12 TT, 53.0 cm in 3 quadruple mounts
     50 tons depth charges/mines
     Main belt, 9.0 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, 10.0 cm / secondary, 2.5 cm shields
          
     Maximum speed for 52686 shaft kw = 31.00 knots
          Approximate cruising radius, 4500 nm / 15 knots
     Typical complement: 442-575

                    Estimated cost, $3.905 million (976,000)
          Remarks:
     Oil firing.
     Relative extent of belt armor, 118 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.

          Distribution of weights:
                                                       Percent
                                                       normal
                                                    displacement:
          Armament .........................    148 tonnes =   2 pct
          Armor, total .....................   1474 tonnes =  17 pct
               Belt                             862 tonnes =  10 pct
               Deck                             262 tonnes =   3 pct
               C.T.                              35 tonnes =   0 pct
               Armament                         315 tonnes =   4 pct
          Machinery ........................   2720 tonnes =  32 pct
          Hull and fittings; equipment .....   3101 tonnes =  37 pct
          Fuel, ammunition, stores .........    996 tonnes =  12 pct
          Miscellaneous weights ............     50 tonnes =   1 pct
                                              -----
                                               8489 tonnes = 100 pct
          Estimated metacentric height, 0.6 m
     Displacement summary:
          Light ship:              7492 tonnes
          Standard displacement:   7761 tonnes
          Normal service:          8489 tonnes
          Full load:               9037 tonnes
          Loading submergence 1688 tonnes/metre
     +++++++++++++++++++++++++

     Estimated overall survivability and seakeeping ability:
          Relative margin of stability: 1.06
          Shellfire needed to sink: 3159 kg = 67.5 x 15.0-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, 70 percent
               (50 percent is 'average')
          Relative rocking effect from firing to beam, 0.59
          Relative quality as a seaboat: 1.22
     +++++++++++++++++++++++++

     Hull form characteristics:
          Block coefficient: 0.53
          Sharpness coefficient: 0.34
          Hull speed coefficient 'M' = 8.02
          'Natural speed' for length = 23.1 knots
          Power going to wave formation
               at top speed: 58 percent

     Estimated hull characteristics and strength:
          Relative underwater volume absorbed by
               magazines and engineering spaces: 118 percent
          Relative accommodation and working space: 109 percent

          Displacement factor: 105 percent
               (Displacement relative to loading factors)

          Relative cross-sectional hull strength: 0.96
               (Structure weight per square
               metre of hull surface: 469 kg)
          Relative longitudinal hull strength: 1.49
               (for 6.10 m average freeboard;
               freeboard adjustment +1.63 m)
          Relative composite hull strength: 1.01
     +++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]
535.30 x 51.50 x 20.34; 20.01 -- Dimensions
0.53 -- Block coefficient
1914 -- Year laid down
31.00 / 4500 / 15.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
50 tons -- Miscellaneous weights
++++++++++
9 x 5.91; 3; 1 -- Main battery; turrets; superfiring
   :
8 x 3.94; 0 -- Secondary battery; turrets
  Gun-shields
   :
4 x 1.77 -- Tertiary (QF/AA) battery
   :
6 x 0.51 -- Fourth (light) battery
12 / 0 / 20.87 -- TT / submerged / size
++++++++++
3.54 / 1.18 / 1.97 / 0.00; 118 -- Belt armor; relative extent
0.79 / 3.94 -- Deck / CT
3.94 / 0.98 / 0.00 / 0.00 -- Battery armor

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

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


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