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Lilya Class Corvette
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The Lilya Class Corvette is designed for convoy escort duties in the Atlantic.

Lilya Class Corvette, laid down 1920
     Length, 65.0 m x Beam, 6.5 m x Depth, 2.6 m
          443 tonnes normal displacement (384 tonnes standard)
     Main battery:       2 x 10.0-cm
     Secondary battery:  4 x  3.7-cm
     Light battery:      4 x  1.3-cm
          Weight of broadside: 31 kg
     4 TT, 53.0 cm
     25 tons depth charges/mines
     Hull unarmored
     Maximum speed for 8114 shaft kw = 28.00 knots
          Approximate cruising radius, 4300 nm / 12 knots
     Typical complement: 48-63

                    Estimated cost, $472,000 (118,000)
          Remarks:
     Caution: Hull structure is subject to strain in open-sea
     conditions.
     Caution: Very cramped ship with excessively poor habitability;
     lacks suitable working space.
     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 .........................      8 tonnes =   2 pct
          Machinery ........................    214 tonnes =  48 pct
          Hull and fittings; equipment .....    123 tonnes =  28 pct
          Fuel, ammunition, stores .........     73 tonnes =  17 pct
          Miscellaneous weights ............     25 tonnes =   6 pct
                                              -----
                                                443 tonnes = 100 pct
          Estimated metacentric height, 0.2 m
     Displacement summary:
          Light ship:               370 tonnes
          Standard displacement:    384 tonnes
          Normal service:           443 tonnes
          Full load:                488 tonnes
          Loading submergence 231 tonnes/metre
     +++++++++++++++++++++++++

     Estimated overall survivability and seakeeping ability:
          Relative margin of stability: 1.08
          Shellfire needed to sink: 51 kg = 3.7 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, 71 percent
               (50 percent is 'average')
          Relative rocking effect from firing to beam, 0.37
          Relative quality as a seaboat: 1.22
     +++++++++++++++++++++++++

     Hull form characteristics:
          Block coefficient: 0.40
          Sharpness coefficient: 0.30
          Hull speed coefficient 'M' = 8.54
          'Natural speed' for length = 14.6 knots
          Power going to wave formation
               at top speed: 69 percent

     Estimated hull characteristics and strength:
          Relative underwater volume absorbed by
               magazines and engineering spaces: 176 percent
          Relative accommodation and working space: 45 percent

          Displacement factor: 52 percent
               (Displacement relative to loading factors)

          Relative cross-sectional hull strength: 0.46
               (Structure weight per square
               metre of hull surface: 109 kg)
          Relative longitudinal hull strength: 2.00
               (for 3.55 m average freeboard;
               freeboard adjustment +1.07 m)
          Relative composite hull strength: 0.53
     +++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]
213.20 x 21.32 x 8.53; 11.64 -- Dimensions
0.40 -- Block coefficient
1920 -- Year laid down
28.00 / 4300 / 12.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
25 tons -- Miscellaneous weights
++++++++++
2 x 3.94; 0 -- Main battery; turrets
  Central positioning of guns
   :
4 x 1.46; 0 -- Secondary battery; turrets
   :
0 -- No tertiary (QF/AA) battery
4 x 0.51 -- Fourth (light) battery
4 / 0 / 20.87 -- TT / submerged / size
++++++++++
0.00 -- No belt armor
0.00 / 0.00 -- Deck / CT
0.00 -- No battery armor

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

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


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