Krążownik pancerny Maranhao - wariant niemiecki - 07.06.2011

Dziś przedstawiam trzywieżową wersję okrętu prezentowanego w poście z 3 czerwca, zbudowaną w stoczni niemieckiej i wyposażoną w działa 240 mm.  

Maranhao, brazilian armoured cruiser laid down 1899 (Engine 1900)

Displacement:
    11 484 t light; 11 963 t standard; 13 000 t normal; 13 829 t full load

Dimensions: Length overall / water x beam x draught
    510,14 ft / 510,14 ft x 67,13 ft x 22,18 ft (normal load)
    155,49 m / 155,49 m x 20,46 m  x 6,76 m

Armament:
      4 - 9,45" / 240 mm guns (2x2 guns), 421,80lbs / 191,32kg shells, 1899 Model
      Breech loading guns in turrets (on barbettes)
      on centreline ends, evenly spread
      2 - 9,45" / 240 mm guns (1x2 guns), 421,80lbs / 191,32kg shells, 1899 Model
      Breech loading guns in a turret (on a barbette)
      on centreline amidships
      10 - 5,91" / 150 mm guns in single mounts, 102,98lbs / 46,71kg shells, 1899 Model
      Quick firing guns in casemate mounts
      on side, all amidships
      12 - 3,46" / 88,0 mm guns in single mounts, 20,79lbs / 9,43kg shells, 1899 Model
      Quick firing guns in casemate mounts
      on side, evenly spread
    Weight of broadside 3 810 lbs / 1 728 kg
    Shells per gun, main battery: 95
    2 - 17,7" / 450 mm submerged torpedo tubes

Armour:
   - Belts:        Width (max)    Length (avg)        Height (avg)
    Main:    7,09" / 180 mm    172,44 ft / 52,56 m    7,71 ft / 2,35 m
    Ends:    3,94" / 100 mm    262,86 ft / 80,12 m    7,71 ft / 2,35 m
      74,84 ft / 22,81 m Unarmoured ends
    Upper:    3,94" / 100 mm    308,96 ft / 94,17 m    7,32 ft / 2,23 m
      Main Belt covers 52% of normal length
      Main belt does not fully cover magazines and engineering spaces

   - Torpedo Bulkhead:
        0,98" / 25 mm    204,20 ft / 62,24 m    20,73 ft / 6,32 m

   - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    7,87" / 200 mm    5,91" / 150 mm        7,87" / 200 mm
    2nd:    7,87" / 200 mm    5,91" / 150 mm        7,87" / 200 mm
    3rd:    3,94" / 100 mm          -                  -
    4th:    1,97" / 50 mm          -                  -

   - Armour deck: 1,57" / 40 mm, Conning tower: 7,87" / 200 mm

Machinery:
    Coal fired boilers, complex reciprocating steam engines,
    Direct drive, 2 shafts, 21 450 ihp / 16 001 Kw = 21,00 kts
    Range 6 200nm at 10,00 kts
    Bunker at max displacement = 1 866 tons (100% coal)

Complement:
    608 - 791

Cost:
    £1,271 million / $5,085 million

Distribution of weights at normal displacement:
    Armament: 476 tons, 3,7%
    Armour: 3 041 tons, 23,4%
       - Belts: 1 155 tons, 8,9%
       - Torpedo bulkhead: 154 tons, 1,2%
       - Armament: 909 tons, 7,0%
       - Armour Deck: 729 tons, 5,6%
       - Conning Tower: 94 tons, 0,7%
    Machinery: 3 351 tons, 25,8%
    Hull, fittings & equipment: 4 615 tons, 35,5%
    Fuel, ammunition & stores: 1 516 tons, 11,7%
    Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      11 598 lbs / 5 261 Kg = 27,5 x 9,4 " / 240 mm shells or 1,7 torpedoes
    Stability (Unstable if below 1.00): 1,21
    Metacentric height 3,9 ft / 1,2 m
    Roll period: 14,2 seconds
    Steadiness    - As gun platform (Average = 50 %): 89 %
            - Recoil effect (Restricted arc if above 1.00): 0,66
    Seaboat quality  (Average = 1.00): 1,79

Hull form characteristics:
    Hull has rise forward of midbreak
    Block coefficient: 0,599
    Length to Beam Ratio: 7,60 : 1
    'Natural speed' for length: 22,59 kts
    Power going to wave formation at top speed: 44 %
    Trim (Max stability = 0, Max steadiness = 100): 50
    Bow angle (Positive = bow angles forward): -11,00 degrees
    Stern overhang: 0,00 ft / 0,00 m
    Freeboard (% = measuring location as a percentage of overall length):
       - Stem:        28,48 ft / 8,68 m
       - Forecastle (20%):    24,48 ft / 7,46 m
       - Mid (50%):        24,48 ft / 7,46 m (15,98 ft / 4,87 m aft of break)
       - Quarterdeck (15%):    15,98 ft / 4,87 m
       - Stern:        15,98 ft / 4,87 m
       - Average freeboard:    20,55 ft / 6,26 m

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 161,7%
        - Above water (accommodation/working, high = better): 156,0%
    Waterplane Area: 25 024 Square feet or 2 325 Square metres
    Displacement factor (Displacement / loading): 96%
    Structure weight / hull surface area: 121 lbs/sq ft or 589 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0,95
        - Longitudinal: 1,58
        - Overall: 1,00
    Hull space for machinery, storage, compartmentation is cramped
    Room for accommodation and workspaces is excellent
    Ship has slow, easy roll, a good, steady gun platform
    Excellent seaboat, comfortable, can fire her guns in the heaviest weather