czwartek, 30 sierpnia 2012

Pancernik Kostenki - 12.06.2012

Dzisiejszy okręt to autentyczny rosyjski projekt pancernika dla floty czarnomorskiej autorstwa Władimira Kostenki z 1917 r. Projekt miał charakter pół-oficjalny, nie powstał bowiem na zamówienie floty, a z inicjatywy projektanta. Oczywiście w faktycznie zaistniałych w 1917 r. realiach nie miał on najmniejszych szans na realizacje, niemniej wydaje się być całkiem ciekawą propozycją.   
 
 
Aleksandr Newskij, russian battleship laid down 1918 (Engine 1920)

Displacement:
    40 397 t light; 42 449 t standard; 44 321 t normal; 45 819 t full load

Dimensions: Length overall / water x beam x draught
    787,39 ft / 783,83 ft x 99,25 ft x 33,23 ft (normal load)
    240,00 m / 238,91 m x 30,25 m  x 10,13 m

Armament:
      9 - 15,98" / 406 mm guns (3x3 guns), 2 041,96lbs / 926,22kg shells, 1918 Model
      Breech loading guns in turrets (on barbettes)
      on centreline ends, majority forward
      Main guns limited to end-on fire
      12 - 5,98" / 152 mm guns (6x2 guns), 107,15lbs / 48,60kg shells, 1918 Model
      Quick firing guns in turrets (on barbettes)
      on side, all amidships
      8 - 5,98" / 152 mm guns in single mounts, 107,15lbs / 48,60kg shells, 1918 Model
      Quick firing guns in casemate mounts
      on side ends, evenly spread
      6 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1918 Model
      Anti-aircraft guns in deck mounts
      on side, all amidships
    Weight of broadside 20 598 lbs / 9 343 kg
    Shells per gun, main battery: 100
    4 - 18,0" / 457 mm submerged torpedo tubes

Armour:
   - Belts:        Width (max)    Length (avg)        Height (avg)
    Main:    10,8" / 275 mm    468,86 ft / 142,91 m    17,22 ft / 5,25 m
    Ends:    3,94" / 100 mm    304,23 ft / 92,73 m    9,02 ft / 2,75 m
      10,73 ft / 3,27 m Unarmoured ends
    Upper:    2,95" / 75 mm    278,28 ft / 84,82 m    7,55 ft / 2,30 m
      Main Belt covers 92% of normal length
      Main belt does not fully cover magazines and engineering spaces

   - Torpedo Bulkhead:
        0,98" / 25 mm    468,86 ft / 142,91 m    30,02 ft / 9,15 m

   - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    15,7" / 400 mm    7,87" / 200 mm        14,8" / 375 mm
    2nd:    5,91" / 150 mm    3,94" / 100 mm        3,94" / 100 mm
    3rd:    5,91" / 150 mm          -                  -
    4th:    0,59" / 15 mm          -                  -

   - Armour deck: 4,13" / 105 mm, Conning tower: 11,81" / 300 mm

Machinery:
    Coal and oil fired boilers, steam turbines,
    Geared drive, 4 shafts, 137 722 shp / 102 741 Kw = 29,00 kts
    Range 4 000nm at 15,00 kts
    Bunker at max displacement = 3 370 tons (70% coal)

Complement:
    1 526 - 1 985

Cost:
    £8,593 million / $34,373 million

Distribution of weights at normal displacement:
    Armament: 2 575 tons, 5,8%
    Armour: 14 442 tons, 32,6%
       - Belts: 4 504 tons, 10,2%
       - Torpedo bulkhead: 513 tons, 1,2%
       - Armament: 4 756 tons, 10,7%
       - Armour Deck: 4 351 tons, 9,8%
       - Conning Tower: 319 tons, 0,7%
    Machinery: 5 143 tons, 11,6%
    Hull, fittings & equipment: 18 237 tons, 41,1%
    Fuel, ammunition & stores: 3 924 tons, 8,9%
    Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      56 946 lbs / 25 830 Kg = 27,9 x 16,0 " / 406 mm shells or 6,3 torpedoes
    Stability (Unstable if below 1.00): 1,03
    Metacentric height 5,2 ft / 1,6 m
    Roll period: 18,3 seconds
    Steadiness    - As gun platform (Average = 50 %): 69 %
            - Recoil effect (Restricted arc if above 1.00): 1,24
    Seaboat quality  (Average = 1.00): 1,37

Hull form characteristics:
    Hull has low quarterdeck
    Block coefficient: 0,600
    Length to Beam Ratio: 7,90 : 1
    'Natural speed' for length: 28,00 kts
    Power going to wave formation at top speed: 51 %
    Trim (Max stability = 0, Max steadiness = 100): 50
    Bow angle (Positive = bow angles forward): 5,50 degrees
    Stern overhang: 0,59 ft / 0,18 m
    Freeboard (% = measuring location as a percentage of overall length):
       - Stem:        30,91 ft / 9,42 m
       - Forecastle (26%):    30,31 ft / 9,24 m
       - Mid (79%):        30,31 ft / 9,24 m
       - Quarterdeck (17%):    21,69 ft / 6,61 m (29,72 ft / 9,06 m before break)
       - Stern:        21,69 ft / 6,61 m
       - Average freeboard:    28,88 ft / 8,80 m

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 104,0%
        - Above water (accommodation/working, high = better): 215,2%
    Waterplane Area: 56 895 Square feet or 5 286 Square metres
    Displacement factor (Displacement / loading): 98%
    Structure weight / hull surface area: 212 lbs/sq ft or 1 033 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0,95
        - Longitudinal: 1,62
        - Overall: 1,00
    Hull space for machinery, storage, compartmentation is adequate
    Room for accommodation and workspaces is excellent
    Good seaboat, rides out heavy weather easily

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