Length, 35.0 m x Beam, 6.0 m x Depth, 4.2 m
          400 tonnes normal displacement (392 tonnes standard)

     Main battery:       1 x  3.7-cm

          Weight of broadside: 1 kg

     4 TT, 45.0 cm (submerged)

     Hull unarmored

     Operational depth - 143 m/470 ft
     Emergency depth - 229m/752 ft
     Crush depth - 358m/1175 ft

     Maximum speed for 349 shaft kw = 12.00 knots
          Approximate cruising radius, 1000 nm / 8 knots

     Typical complement: 23-29

                    Estimated cost, $69,000 (£17,000)

          Remarks:

     Caution: lacks seaworthiness -- very limited seakeeping ability.

     Caution: Very cramped ship with excessively poor habitability;
     lacks suitable working space.

     Oil firing.

     Ship has quick, 'lively' roll; not a steady gun platform.

          Distribution of weights:
                                                       Percent
                                                       normal
                                                    displacement:

          Machinery ........................     26 tonnes =   6 pct
          Hull and fittings; equipment .....    277 tonnes =  69 pct
          Fuel, ammunition, stores .........     17 tonnes =   4 pct
          Miscellaneous weights ............     80 tonnes =  20 pct
                                              -----
                                                400 tonnes = 100 pct

          Estimated metacentric height, 0.1 m

     Displacement summary:

          Light ship:               383 tonnes
          Standard displacement:    392 tonnes
          Normal service:           400 tonnes
          Full load:                405 tonnes

          Loading submergence 124 tonnes/metre

     +++++++++++++++++++++++++

     Estimated overall survivability and seakeeping ability:

          Relative margin of stability: 1.03

          Shellfire needed to sink: 102 kg = 145.2 x 3.7-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, 1 percent
               (50 percent is 'average')

          Relative rocking effect from firing to beam, 0.00

          Relative quality as a seaboat: 0.00

     +++++++++++++++++++++++++

     Hull form characteristics:

          Block coefficient: 0.45
          Sharpness coefficient: 0.38
          Hull speed coefficient 'M' = 4.76
          'Natural speed' for length = 10.7 knots
          Power going to wave formation
               at top speed: 51 percent

     Estimated hull characteristics and strength:

          Relative underwater volume absorbed by
               magazines and engineering spaces: 91 percent

          Relative accommodation and working space: 1 percent

          Displacement factor: 300 percent
               (Displacement relative to loading factors)

          Relative cross-sectional hull strength: 4.40
               (Structure weight per square
               metre of hull surface: 603 kg)

          Relative longitudinal hull strength: 8.60
               (for 0.03 m average freeboard;
               freeboard adjustment -2.39 m)

          Relative composite hull strength: 4.70

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

114.80 x 19.68 x 13.78; 0.10 -- Dimensions
0.45 -- Block coefficient
1908 -- Year laid down
12.00 / 1000 / 8.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
80 tons -- Miscellaneous weights
++++++++++
1 x 1.46; 0 -- Main battery; turrets
  Central positioning of guns
   :
0 -- No secondary battery
0 -- No tertiary (QF/AA) battery
0 -- No fourth (light) battery
4 / 4 / 17.72 -- 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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