Ac/Fleetcruiser,final version

[ledeper]

 City-Class, BCS Ac/Fleet-cruiser  laid down 1914 (Engine 1912)

Displacement:
   9.545 t light; 9.993 t standard; 11.234 t normal; 12.227 t full load

Dimensions: Length overall / water x beam x draught
   554,65 ft / 551,18 ft x 59,06 ft x 22,97 ft (normal load)
   169,06 m / 168,00 m x 18,00 m  x 7,00 m

Armament:
      8 - 7,87" / 200 mm guns (4x2 guns), 244,10lbs / 110,72kg shells, 1914 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread, 2 raised mounts - superfiring
      10 - 4,92" / 125 mm guns in single mounts, 59,59lbs / 27,03kg shells, 1914 Model
     Quick firing guns in deck mounts
     on side, all amidships
      4 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,88kg shells, 1914 Model
     Breech loading guns in deck mounts
     on side, evenly spread
   Weight of broadside 2.557 lbs / 1.160 kg
   Shells per gun, main battery: 150

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   5,91" / 150 mm   413,39 ft / 126,00 m   9,22 ft / 2,81 m
   Ends:   Unarmoured
   Upper:   1,97" / 50 mm   413,39 ft / 126,00 m   8,01 ft / 2,44 m
     Main Belt covers 115 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5,91" / 150 mm   3,94" / 100 mm      5,91" / 150 mm
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,20" / 5 mm         -               -

   - Armour deck: 1,97" / 50 mm, Conning tower: 5,91" / 150 mm

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 3 shafts, 59.743 shp / 44.568 Kw = 28,50 kts
   Range 7.000nm at 14,00 kts
   Bunker at max displacement = 2.234 tons

Complement:
   545 - 709

Cost:
   £1,191 million / $4,765 million

Distribution of weights at normal displacement:
   Armament: 320 tons, 2,8 %
   Armour: 2.621 tons, 23,3 %
      - Belts: 1.189 tons, 10,6 %
      - Torpedo bulkhead: 0 tons, 0,0 %
      - Armament: 559 tons, 5,0 %
      - Armour Deck: 809 tons, 7,2 %
      - Conning Tower: 64 tons, 0,6 %
   Machinery: 2.382 tons, 21,2 %
   Hull, fittings & equipment: 3.822 tons, 34,0 %
   Fuel, ammunition & stores: 1.689 tons, 15,0 %
   Miscellaneous weights: 400 tons, 3,6 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     11.916 lbs / 5.405 Kg = 48,8 x 7,9 " / 200 mm shells or 1,6 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 2,7 ft / 0,8 m
   Roll period: 15,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 51 %
         - Recoil effect (Restricted arc if above 1.00): 0,57
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,526
   Length to Beam Ratio: 9,33 : 1
   'Natural speed' for length: 23,48 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      19,69 ft / 6,00 m
      - Forecastle (10 %):   16,44 ft / 5,01 m
      - Mid (70 %):      16,44 ft / 5,01 m
      - Quarterdeck (15 %):   16,44 ft / 5,01 m
      - Stern:      16,44 ft / 5,01 m
      - Average freeboard:   16,57 ft / 5,05 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 95,1 %
      - Above water (accommodation/working, high = better): 127,6 %
   Waterplane Area: 22.213 Square feet or 2.064 Square metres
   Displacement factor (Displacement / loading): 109 %
   Structure weight / hull surface area: 108 lbs/sq ft or 528 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,97
      - Longitudinal: 1,27
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent

[Borys]

Unprotected 125mm guns?
Borys

[ledeper]

10 - 4,92" / 125 mm guns in single mounts, 59,59lbs / 27,03kg shells, 1914 Model
     Quick firing guns in deck mounts
2nd:   0,39" / 10 mm