Killian DeCampo Class Cruiser

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One Ship
--IRS Killian DeCampo

IRS Killian DeCampo, Imperial Roman Republic Cruiser laid down 1915

Displacement:
   8,811 t light; 9,149 t standard; 10,200 t normal; 11,040 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (636.49 ft / 623.36 ft) x 65.62 ft x (19.69 / 20.82 ft)
   (194.00 m / 190.00 m) x 20.00 m  x (6.00 / 6.35 m)

Armament:
      6 - 7.09" / 180 mm 50.0 cal guns - 187.39lbs / 85.00kg shells, 175 per gun
     Breech loading guns in deck and hoist mounts, 1915 Model
     4 x Single mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
     2 x Single mounts on sides, forward deck aft
      4 - 3.94" / 100 mm 50.0 cal guns - 30.86lbs / 14.00kg shells, 350 per gun
     Quick firing guns in deck and hoist mounts, 1906 Model
     2 x Twin mounts on sides, aft deck centre
      2 raised mounts
      2 - 1.77" / 45.0 mm 45.0 cal guns - 2.80lbs / 1.27kg shells, 150 per gun
     Anti-air guns in deck mounts, 1910 Model
     2 x Single mounts on sides, forward deck centre
      2 raised mounts
      6 - 0.26" / 6.5 mm 110.0 cal guns - 0.01lbs / 0.00kg shells, 10,000 per gun
     Machine guns in deck mounts, 1911 Model
     4 x Single mounts on sides, evenly spread
      4 raised mounts
     2 x Single mounts on centreline ends, evenly spread
      2 double raised mounts
      Weight of broadside 1,253 lbs / 569 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   2.36" / 60 mm   405.18 ft / 123.50 m   9.84 ft / 3.00 m
   Ends:   0.79" / 20 mm   218.14 ft / 66.49 m   9.84 ft / 3.00 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1.97" / 50 mm   0.39" / 10 mm      1.97" / 50 mm
   2nd:   0.39" / 10 mm   0.20" / 5 mm      0.98" / 25 mm
   3rd:   0.39" / 10 mm         -               -
   4th:   0.20" / 5 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 2.36" / 60 mm
   Forecastle: 1.18" / 30 mm  Quarter deck: 1.18" / 30 mm

   - Conning towers: Forward 2.76" / 70 mm, Aft 0.00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 4 shafts, 64,000 shp / 47,744 Kw = 30.05 kts
   Range 7,000nm at 14.00 kts
   Bunker at max displacement = 1,891 tons

Complement:
   506 - 659

Cost:
   £1.135 million / $4.540 million

Distribution of weights at normal displacement:
   Armament: 363 tons, 3.6 %
      - Guns: 363 tons, 3.6 %
   Armour: 1,556 tons, 15.3 %
      - Belts: 450 tons, 4.4 %
      - Armament: 42 tons, 0.4 %
      - Armour Deck: 1,037 tons, 10.2 %
      - Conning Tower: 28 tons, 0.3 %
   Machinery: 2,424 tons, 23.8 %
   Hull, fittings & equipment: 3,563 tons, 34.9 %
   Fuel, ammunition & stores: 1,389 tons, 13.6 %
   Miscellaneous weights: 905 tons, 8.9 %
      - Hull below water: 640 tons
      - Hull above water: 50 tons
      - On freeboard deck: 200 tons
      - Above deck: 15 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     13,222 lbs / 5,998 Kg = 74.3 x 7.1 " / 180 mm shells or 1.7 torpedoes
   Stability (Unstable if below 1.00): 1.33
   Metacentric height 4.4 ft / 1.3 m
   Roll period: 13.1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.21
   Seaboat quality  (Average = 1.00): 1.24

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.443 / 0.454
   Length to Beam Ratio: 9.50 : 1
   'Natural speed' for length: 24.97 kts
   Power going to wave formation at top speed: 50 %
   Trim (Max stability = 0, Max steadiness = 100): 56
   Bow angle (Positive = bow angles forward): 20.00 degrees
   Stern overhang: 6.27 ft / 1.91 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  18.86 ft / 5.75 m,  16.40 ft / 5.00 m
      - Forward deck:   30.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
      - Aft deck:   35.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
      - Quarter deck:   15.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
      - Average freeboard:      16.60 ft / 5.06 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 97.1 %
      - Above water (accommodation/working, high = better): 160.3 %
   Waterplane Area: 25,952 Square feet or 2,411 Square metres
   Displacement factor (Displacement / loading): 119 %
   Structure weight / hull surface area: 99 lbs/sq ft or 481 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 1.00
      - Longitudinal: 1.00
      - 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 Distribution
--Below Water (640t)
----606t Electric Drives
----30t Additional Pumps
----4t Construction Reserve
--Above Water (50t)
----15t Improved Crew Accommodations
----25t Improved Officer Accommodations
----10t Short Range Wireless
--On Deck (200t)
----37t 1912 Fire Control
----36t 12x530mm Torpedoes [One triple tube mount per side]
----25t Long Range Wireless
----50t Additional Stores
----20t Admiralty Accommodations
----20t Flag Facilities
----12t Construction Reserve
--Above Deck (15t)
----10t Improved Acquisition Structures
----5t Additional Searchlights

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In 1921H1, the IRS Killian DeCampo was upgraded to 1918 Fire Control