Brytyjski krążownik pancerny z 1900 r. - 6x234 - 11.03.2012

Jak już wspomniałem, nowe typy pancerników wymagająskonstruowania również nowych typów krążowników pancernych – była to typowabrytyjska praktyka na przełomie wieków. Na początek proponuję lekkozmodyfikowaną wersję ówczesnych realnie budowanych krążowników pancernych –okręt w którym kazamaty dział 152 mm w części zostały zastąpione przez działa 234 mm.

Poniższy rysunek to zmodyfikowany przeze mnie HMS Drakenarysowany przez Psilandera.

 

Cressy, british armoured cruiser laid down 1899 (Engine 1900)

Displacement:
    11 477 t light; 12 008 t standard; 13 321 t normal; 14 372 t full load

Dimensions: Length overall / water x beam x draught
    480,58 ft / 480,05 ft x 70,31 ft x 26,31 ft (normal load)
    146,48 m / 146,32 m x 21,43 m  x 8,02 m

Armament:
      2 - 9,21" / 234 mm guns in single mounts, 390,95lbs / 177,33kg shells, 1899 Model
      Breech loading guns in turrets (on barbettes)
      on centreline ends, evenly spread
      4 - 9,21" / 234 mm guns in single mounts, 390,95lbs / 177,33kg shells, 1899 Model
      Breech loading guns in casemate mounts
      on side, all amidships
      8 - 5,98" / 152 mm guns in single mounts, 107,15lbs / 48,60kg shells, 1899 Model
      Quick firing guns in casemate mounts
      on side, all amidships
      4 guns in hull casemates - Limited use in heavy seas
      8 - 2,99" / 76,0 mm guns in single mounts, 13,39lbs / 6,07kg shells, 1899 Model
      Quick firing guns in casemate mounts
      on side ends, evenly spread
      4 guns in hull casemates - Limited use in heavy seas
    Weight of broadside 3 310 lbs / 1 501 kg
    Shells per gun, main battery: 130
    3 - 18,0" / 457 mm submerged torpedo tubes

Armour:
   - Belts:        Width (max)    Length (avg)        Height (avg)
    Main:    5,98" / 152 mm    221,88 ft / 67,63 m    12,50 ft / 3,81 m
    Ends:    2,99" / 76 mm    100,00 ft / 30,48 m    10,01 ft / 3,05 m
      158,17 ft / 48,21 m Unarmoured ends
      Main Belt covers 71% of normal length
      Main belt does not fully cover magazines and engineering spaces

   - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    7,01" / 178 mm    5,98" / 152 mm        7,01" / 178 mm
    2nd:    7,01" / 178 mm          -                  -
    3rd:    5,98" / 152 mm          -                  -
    4th:    4,02" / 102 mm          -                  -

   - Armour deck: 2,52" / 64 mm, Conning tower: 12,99" / 330 mm

Machinery:
    Coal fired boilers, complex reciprocating steam engines,
    Direct drive, 2 shafts, 26 940 ihp / 20 098 Kw = 22,20 kts
    Range 8 000nm at 10,00 kts
    Bunker at max displacement = 2 365 tons (100% coal)

Complement:
    619 - 805

Cost:
    £1,339 million / $5,354 million

Distribution of weights at normal displacement:
    Armament: 414 tons, 3,1%
    Armour: 2 757 tons, 20,7%
       - Belts: 889 tons, 6,7%
       - Torpedo bulkhead: 0 tons, 0,0%
       - Armament: 639 tons, 4,8%
       - Armour Deck: 1 073 tons, 8,1%
       - Conning Tower: 157 tons, 1,2%
    Machinery: 4 209 tons, 31,6%
    Hull, fittings & equipment: 4 096 tons, 30,8%
    Fuel, ammunition & stores: 1 844 tons, 13,8%
    Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      9 779 lbs / 4 436 Kg = 25,0 x 9,2 " / 234 mm shells or 1,3 torpedoes
    Stability (Unstable if below 1.00): 1,40
    Metacentric height 5,3 ft / 1,6 m
    Roll period: 12,8 seconds
    Steadiness    - As gun platform (Average = 50 %): 100 %
            - Recoil effect (Restricted arc if above 1.00): 0,39
    Seaboat quality  (Average = 1.00): 2,00

Hull form characteristics:
    Hull has rise forward of midbreak
    Block coefficient: 0,525
    Length to Beam Ratio: 6,83 : 1
    'Natural speed' for length: 21,91 kts
    Power going to wave formation at top speed: 49 %
    Trim (Max stability = 0, Max steadiness = 100): 50
    Bow angle (Positive = bow angles forward): -15,00 degrees
    Stern overhang: 0,52 ft / 0,16 m
    Freeboard (% = measuring location as a percentage of overall length):
       - Stem:        25,98 ft / 7,92 m
       - Forecastle (13%):    25,98 ft / 7,92 m
       - Mid (64%):        23,72 ft / 7,23 m (16,24 ft / 4,95 m aft of break)
       - Quarterdeck (18%):    16,24 ft / 4,95 m
       - Stern:        17,36 ft / 5,29 m
       - Average freeboard:    21,97 ft / 6,70 m

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 130,4%
        - Above water (accommodation/working, high = better): 159,6%
    Waterplane Area: 23 011 Square feet or 2 138 Square metres
    Displacement factor (Displacement / loading): 92%
    Structure weight / hull surface area: 110 lbs/sq ft or 538 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0,91
        - Longitudinal: 2,41
        - 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