Dux Antonie Sforza Class Armored Cruiser

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One Ship
--Dux Antonie Sforza

Dux Antoine Sforza, Imperial Roman Armored Cruiser laid down 1919

Displacement:
   21,100 t light; 21,917 t standard; 24,558 t normal; 26,671 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (803.80 ft / 787.40 ft) x 82.02 ft x (26.25 / 27.95 ft)
   (245.00 m / 240.00 m) x 25.00 m  x (8.00 / 8.52 m)

Armament:
      8 - 9.25" / 235 mm 45.0 cal guns - 396.83lbs / 180.00kg shells, 125 per gun
     Breech loading guns in turret on barbette mounts, 1919 Model
     2 x Quad mounts on centreline ends, evenly spread
      12 - 5.51" / 140 mm 55.0 cal guns - 85.98lbs / 39.00kg shells, 175 per gun
     Quick firing guns in casemate mounts, 1909 Model
     12 x Single mounts on sides, aft evenly spread
      2 - 3.94" / 100 mm 45.0 cal guns - 30.86lbs / 14.00kg shells, 110 per gun
     Anti-air guns in deck mounts, 1915 Model
     2 x Single mounts on sides, aft deck centre
      2 raised mounts
      10 - 0.26" / 6.5 mm 110.0 cal guns - 0.01lbs / 0.00kg shells, 15,000 per gun
     Machine guns in deck mounts, 1910 Model
     6 x Single mounts on sides, aft evenly spread
      6 raised mounts
     2 x Twin mounts on sides, forward deck aft
      2 double raised mounts
      Weight of broadside 4,268 lbs / 1,936 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   6.30" / 160 mm   532.74 ft / 162.38 m   18.04 ft / 5.50 m
   Ends:   1.97" / 50 mm   254.63 ft / 77.61 m   13.12 ft / 4.00 m
     Main Belt covers 104 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      0.79" / 20 mm   532.74 ft / 162.38 m   29.53 ft / 9.00 m
   Beam between torpedo bulkheads 65.62 ft / 20.00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   9.25" / 235 mm   3.94" / 100 mm      7.48" / 190 mm
   2nd:   3.94" / 100 mm   1.18" / 30 mm      3.94" / 100 mm
   3rd:   0.20" / 5 mm         -               -
   4th:   0.20" / 5 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 2.95" / 75 mm
   Forecastle: 1.38" / 35 mm  Quarter deck: 1.38" / 35 mm

   - Conning towers: Forward 9.84" / 250 mm, Aft 0.00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 140,000 shp / 104,440 Kw = 32.42 kts
   Range 12,000nm at 14.00 kts
   Bunker at max displacement = 4,755 tons

Complement:
   980 - 1,275

Cost:
   £3.926 million / $15.706 million

Distribution of weights at normal displacement:
   Armament: 951 tons, 3.9 %
      - Guns: 951 tons, 3.9 %
   Armour: 6,238 tons, 25.4 %
      - Belts: 2,722 tons, 11.1 %
      - Torpedo bulkhead: 458 tons, 1.9 %
      - Armament: 707 tons, 2.9 %
      - Armour Deck: 2,171 tons, 8.8 %
      - Conning Tower: 179 tons, 0.7 %
   Machinery: 4,972 tons, 20.2 %
   Hull, fittings & equipment: 8,189 tons, 33.3 %
   Fuel, ammunition & stores: 3,458 tons, 14.1 %
   Miscellaneous weights: 750 tons, 3.1 %
      - Hull below water: 200 tons
      - Hull above water: 200 tons
      - On freeboard deck: 300 tons
      - Above deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     34,705 lbs / 15,742 Kg = 87.6 x 9.3 " / 235 mm shells or 4.4 torpedoes
   Stability (Unstable if below 1.00): 1.24
   Metacentric height 5.5 ft / 1.7 m
   Roll period: 14.7 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.30
   Seaboat quality  (Average = 1.00): 1.29

Hull form characteristics:
   Hull has rise forward of midbreak,
     a normal bow and a round stern
   Block coefficient (normal/deep): 0.507 / 0.517
   Length to Beam Ratio: 9.60 : 1
   'Natural speed' for length: 28.06 kts
   Power going to wave formation at top speed: 50 %
   Trim (Max stability = 0, Max steadiness = 100): 54
   Bow angle (Positive = bow angles forward): 20.00 degrees
   Stern overhang: 5.05 ft / 1.54 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17.34 %,  31.17 ft / 9.50 m,  27.89 ft / 8.50 m
      - Forward deck:   20.00 %,  27.89 ft / 8.50 m,  27.89 ft / 8.50 m
      - Aft deck:   47.66 %,  18.86 ft / 5.75 m,  18.86 ft / 5.75 m
      - Quarter deck:   15.00 %,  18.86 ft / 5.75 m,  18.86 ft / 5.75 m
      - Average freeboard:      22.46 ft / 6.85 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 102.4 %
      - Above water (accommodation/working, high = better): 181.2 %
   Waterplane Area: 43,309 Square feet or 4,024 Square metres
   Displacement factor (Displacement / loading): 120 %
   Structure weight / hull surface area: 133 lbs/sq ft or 650 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.99
      - Longitudinal: 1.04
      - Overall: 1.00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

Misc Weight Distrubution
-Below Water (200t)
--100t Additional Pumps
--70t Additional Damage Control Equipment
--30t Improved Food & Drink storage
-Above Water (200t)
--40t Improved Officer Accommodations
--40t Improved Crew Accommodations
--70t Additional Damage Control Equipment
--20t Enhanced Ventilation and Crew Comfort
--25t Long Range Wireless
--5t Construction Reserve
-On Deck (200t)
--96t 1918 Fire Control (Originally 1912, upgraded with free in construction refit)
--48t 12x530mm (1913) Torpedo Tubes (2x3 mounts Aft Deck Forward, 6 Reloads)
--25t Flag Facilities
--20t Enhanced Ventilation and Crew Comfort
--10t Short Range Wireless
--1t Construction Reserve
-Above Deck (50t)
--15t Additional Optical Spotting Equipment
--20t Night Fighting Equipment
--15t Improved Signaling Equipment