czwartek, 30 sierpnia 2012

Ciężki monitor rosyjski - 02.12.2011

Zainpirowany niżej prezentowanym obrazkiem znalezionym na forum tsushima.su policzyłem sobie dane takiej hipotetycznej jednostki - jest to ciężki monitor, w domyśle przeznaczony do szturmowania tureckich umocnień brzegowych. Myślę, ze to dość ciekawa jednostka:) 
 

Kniaginia Olga, russian large monitor laid down 1916 (Engine 1917)

Displacement:
    7 978 t light; 8 596 t standard; 8 879 t normal; 9 105 t full load

Dimensions: Length overall / water x beam x draught
    415,42 ft / 402,76 ft x 76,21 ft x 17,16 ft (normal load)
    126,62 m / 122,76 m x 23,23 m  x 5,23 m

Armament:
      2 - 17,99" / 457 mm guns (1x2 guns), 2 912,18lbs / 1 320,94kg shells, 1916 Model
      Breech loading guns in a turret (on a barbette)
      on centreline forward
      2 - 5,12" / 130 mm guns (1x2 guns), 67,03lbs / 30,40kg shells, 1916 Model
      Quick firing guns in a deck mount with hoist
      on centreline aft
      4 - 5,12" / 130 mm guns in single mounts, 67,03lbs / 30,40kg shells, 1916 Model
      Quick firing guns in casemate mounts
      on centreline, all forward
      4 guns in hull casemates - Limited use in heavy seas
      2 - 2,99" / 76,0 mm guns in single mounts, 13,39lbs / 6,07kg shells, 1916 Model
      Anti-aircraft guns in deck mounts
      on side, all amidships
    Weight of broadside 6 253 lbs / 2 836 kg
    Shells per gun, main battery: 125

Armour:
   - Belts:        Width (max)    Length (avg)        Height (avg)
    Main:    5,91" / 150 mm    189,27 ft / 57,69 m    10,01 ft / 3,05 m
    Ends:    Unarmoured
      Main Belt covers 72% of normal length
      Main belt does not fully cover magazines and engineering spaces

   - Torpedo Bulkhead:
        1,18" / 30 mm    189,27 ft / 57,69 m    14,99 ft / 4,57 m

   - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    9,84" / 250 mm    5,91" / 150 mm        9,84" / 250 mm
    2nd:    2,95" / 75 mm          -                  -
    3rd:    7,09" / 180 mm          -                  -

   - Armour deck: 1,77" / 45 mm, Conning tower: 9,84" / 250 mm

Machinery:
    Coal fired boilers, steam turbines,
    Geared drive, 3 shafts, 6 839 shp / 5 102 Kw = 16,00 kts
    Range 3 000nm at 10,00 kts
    Bunker at max displacement = 509 tons (100% coal)

Complement:
    456 - 594

Cost:
    £1,595 million / $6,378 million

Distribution of weights at normal displacement:
    Armament: 782 tons, 8,8%
    Armour: 2 192 tons, 24,7%
       - Belts: 550 tons, 6,2%
       - Torpedo bulkhead: 124 tons, 1,4%
       - Armament: 698 tons, 7,9%
       - Armour Deck: 729 tons, 8,2%
       - Conning Tower: 91 tons, 1,0%
    Machinery: 276 tons, 3,1%
    Hull, fittings & equipment: 4 728 tons, 53,3%
    Fuel, ammunition & stores: 901 tons, 10,1%
    Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      13 115 lbs / 5 949 Kg = 4,5 x 18,0 " / 457 mm shells or 2,8 torpedoes
    Stability (Unstable if below 1.00): 1,20
    Metacentric height 4,7 ft / 1,4 m
    Roll period: 14,8 seconds
    Steadiness    - As gun platform (Average = 50 %): 76 %
            - Recoil effect (Restricted arc if above 1.00): 0,62
    Seaboat quality  (Average = 1.00): 1,51

Hull form characteristics:
    Hull has rise forward of midbreak
    Block coefficient: 0,590
    Length to Beam Ratio: 5,28 : 1
    'Natural speed' for length: 20,07 kts
    Power going to wave formation at top speed: 39 %
    Trim (Max stability = 0, Max steadiness = 100): 50
    Bow angle (Positive = bow angles forward): -9,00 degrees
    Stern overhang: 12,66 ft / 3,86 m
    Freeboard (% = measuring location as a percentage of overall length):
       - Stem:        19,75 ft / 6,02 m
       - Forecastle (28%):    18,96 ft / 5,78 m
       - Mid (50%):        18,96 ft / 5,78 m (12,66 ft / 3,86 m aft of break)
       - Quarterdeck (15%):    12,66 ft / 3,86 m
       - Stern:        12,66 ft / 3,86 m
       - Average freeboard:    15,90 ft / 4,85 m
    Ship tends to be wet forward

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 104,7%
        - Above water (accommodation/working, high = better): 140,2%
    Waterplane Area: 22 241 Square feet or 2 066 Square metres
    Displacement factor (Displacement / loading): 99%
    Structure weight / hull surface area: 163 lbs/sq ft or 797 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0,91
        - Longitudinal: 2,41
        - Overall: 1,00
    Hull space for machinery, storage, compartmentation is adequate
    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

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