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Bałtyk, polish minelayer laid down 1889 (Engine 1890)

Displacement:
    1 802 t light; 1 857 t standard; 2 084 t normal; 2 266 t full load

Dimensions: Length overall / water x beam x draught
    247,11 ft / 244,13 ft x 38,22 ft x 14,01 ft (normal load)
    75,32 m / 74,41 m x 11,65 m  x 4,27 m

Armament:
      2 - 4,21" / 107 mm guns in single mounts, 24,48lbs / 11,10kg shells, 1867 Model
      Breech loading guns in deck mounts
      on centreline ends, evenly spread
      2 - 4,21" / 107 mm guns in single mounts, 24,48lbs / 11,10kg shells, 1867 Model
      Breech loading guns in deck mounts
      on side, all amidships
      2 - 1,85" / 47,0 mm guns in single mounts, 2,88lbs / 1,31kg shells, 1884 Model
      Quick firing guns in deck mounts
      on centreline, all amidships, all raised mounts - superfiring
    Weight of broadside 104 lbs / 47 kg
    Shells per gun, main battery: 200

Machinery:
    Coal fired boilers, simple reciprocating steam engines,
    Direct drive, 2 shafts, 5 378 ihp / 4 012 Kw = 18,40 kts
    Range 3 500nm at 10,00 kts
    Bunker at max displacement = 409 tons (100% coal)

Complement:
    153 - 200

Cost:
    £0,209 million / $0,835 million

Distribution of weights at normal displacement:
    Armament: 13 tons, 0,6%
    Machinery: 964 tons, 46,2%
    Hull, fittings & equipment: 626 tons, 30,0%
    Fuel, ammunition & stores: 282 tons, 13,5%
    Miscellaneous weights: 200 tons, 9,6%

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      962 lbs / 436 Kg = 26,1 x 4,2 " / 107 mm shells or 0,4 torpedoes
    Stability (Unstable if below 1.00): 1,38
    Metacentric height 2,1 ft / 0,6 m
    Roll period: 11,1 seconds
    Steadiness    - As gun platform (Average = 50 %): 80 %
            - Recoil effect (Restricted arc if above 1.00): 0,05
    Seaboat quality  (Average = 1.00): 1,60

Hull form characteristics:
    Hull has a flush deck
    Block coefficient: 0,558
    Length to Beam Ratio: 6,39 : 1
    'Natural speed' for length: 15,62 kts
    Power going to wave formation at top speed: 58 %
    Trim (Max stability = 0, Max steadiness = 100): 50
    Bow angle (Positive = bow angles forward): 0,00 degrees
    Stern overhang: 2,99 ft / 0,91 m
    Freeboard (% = measuring location as a percentage of overall length):
       - Stem:        17,98 ft / 5,48 m
       - Forecastle (14%):    14,01 ft / 4,27 m
       - Mid (50%):        12,50 ft / 3,81 m
       - Quarterdeck (14%):    12,99 ft / 3,96 m
       - Stern:        13,48 ft / 4,11 m
       - Average freeboard:    13,41 ft / 4,09 m

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 164,8%
        - Above water (accommodation/working, high = better): 106,2%
    Waterplane Area: 6 561 Square feet or 610 Square metres
    Displacement factor (Displacement / loading): 87%
    Structure weight / hull surface area: 57 lbs/sq ft or 280 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0,91
        - Longitudinal: 3,01
        - Overall: 1,02
    Hull space for machinery, storage, compartmentation is cramped
    Room for accommodation and workspaces is adequate
    Ship has slow, easy roll, a good, steady gun platform
    Excellent seaboat, comfortable, can fire her guns in the heaviest weather

400 mines