POW Namur - 13.01.2012

W latach 80-tych XIX w. Belgia nie posiadała praktycznie żadnych sił na morzu, nie mówiąc już nawet o jakichkolwiek nowoczesnych jednostkach bojowych. Niemniej jednak, kraj ten posiadał dostęp do morza, a nawet kolonie (choć formalnie nie należące do państwa, a osobiście do monarchy). Stąd, wydaje się uzasadnionym posiadanie choćby jakiejkolwiek jednostki wojennej, choćby tylko do „prezentowania bandery”. W ramach szczupłych środków, realnym wydaje się zbudowanie jakiejś małej jednostki – mój wybór padł na pancernik obrony wybrzeża wzorowany na brytyjskich okrętach pancernych tamtego czasu (Ajax, Colossus), a właściwie stanowiący ich pomniejszoną wersję. Oto i on:

 

Namur, belgian coastal battleship laid down 1880 (Engine 1881)
Central citadel ship

Displacement:
    2 283 t light; 2 387 t standard; 2 484 t normal; 2 562 t full load

Dimensions: Length overall / water x beam x draught
    222,61 ft / 221,26 ft x 44,85 ft x 16,27 ft (normal load)
    67,85 m / 67,44 m x 13,67 m  x 4,96 m

Armament:
      4 - 9,02" / 229 mm guns (2x2 guns), 311,45lbs / 141,27kg shells, 1880 Model
      Muzzle loading guns in Coles/Ericsson turrets
      on side, all amidships
      2 - 4,72" / 120 mm guns in single mounts, 44,82lbs / 20,33kg shells, 1880 Model
      Breech loading guns in deck mounts
      on centreline ends, evenly spread
      8 - 1,85" / 47,0 mm guns in single mounts, 2,69lbs / 1,22kg shells, 1880 Model
      Quick firing guns in deck mounts
      on side, all forward
      4 - 1,46" / 37,0 mm guns in single mounts, 1,31lbs / 0,60kg shells, 1880 Model
      Breech loading guns in deck mounts
      on centreline ends, evenly spread, all raised mounts - superfiring
    Weight of broadside 1 362 lbs / 618 kg
    Shells per gun, main battery: 70
    2 - 14,0" / 356 mm submerged torpedo tubes

Armour:
   - Belts:        Width (max)    Length (avg)        Height (avg)
    Main:    10,0" / 254 mm    100,00 ft / 30,48 m    6,27 ft / 1,91 m
    Ends:    Unarmoured
      Main Belt covers 70% of normal length
      Main belt does not fully cover magazines and engineering spaces

   - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    8,50" / 216 mm    7,01" / 178 mm              -

   - Armour deck: 0,98" / 25 mm, Conning tower: 7,01" / 178 mm

Machinery:
    Coal fired boilers, simple reciprocating steam engines,
    Direct drive, 1 shaft, 944 ihp / 704 Kw = 11,00 kts
    Range 1 600nm at 8,00 kts
    Bunker at max displacement = 175 tons (100% coal)

Complement:
    175 - 228

Cost:
    Ł0,249 million / $0,998 million

Distribution of weights at normal displacement:
    Armament: 170 tons, 6,9%
    Armour: 816 tons, 32,8%
       - Belts: 315 tons, 12,7%
       - Torpedo bulkhead: 0 tons, 0,0%
       - Armament: 353 tons, 14,2%
       - Armour Deck: 121 tons, 4,9%
       - Conning Tower: 28 tons, 1,1%
    Machinery: 189 tons, 7,6%
    Hull, fittings & equipment: 1 107 tons, 44,6%
    Fuel, ammunition & stores: 201 tons, 8,1%
    Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      2 083 lbs / 945 Kg = 6,7 x 9,0 " / 229 mm shells or 0,8 torpedoes
    Stability (Unstable if below 1.00): 1,00
    Metacentric height 1,5 ft / 0,5 m
    Roll period: 15,4 seconds
    Steadiness    - As gun platform (Average = 50 %): 66 %
            - Recoil effect (Restricted arc if above 1.00): 0,61
    Seaboat quality  (Average = 1.00): 1,31

Hull form characteristics:
    Hull has a flush deck
    Block coefficient: 0,538
    Length to Beam Ratio: 4,93 : 1
    'Natural speed' for length: 14,87 kts
    Power going to wave formation at top speed: 36 %
    Trim (Max stability = 0, Max steadiness = 100): 50
    Bow angle (Positive = bow angles forward): 0,00 degrees
    Stern overhang: 1,35 ft / 0,41 m
    Freeboard (% = measuring location as a percentage of overall length):
       - Stem:        7,81 ft / 2,38 m
       - Forecastle (20%):    7,81 ft / 2,38 m
       - Mid (50%):        7,81 ft / 2,38 m
       - Quarterdeck (15%):    7,81 ft / 2,38 m
       - Stern:        7,81 ft / 2,38 m
       - Average freeboard:    7,81 ft / 2,38 m
    Ship tends to be wet forward

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 80,0%
        - Above water (accommodation/working, high = better): 56,4%
    Waterplane Area: 6 630 Square feet or 616 Square metres
    Displacement factor (Displacement / loading): 97%
    Structure weight / hull surface area: 115 lbs/sq ft or 562 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0,89
        - Longitudinal: 2,84
        - Overall: 1,00
    Hull space for machinery, storage, compartmentation is excellent
    Room for accommodation and workspaces is cramped
    Good seaboat, rides out heavy weather easily