Tullius Leofric Class Large Armored Cruiser

[snip]

One Ship
--IRS Tullius Leofric

LAC-17, Imperial Roman Republic Battlecruiser laid down 1917

Displacement:
   41,100 t light; 43,027 t standard; 45,874 t normal; 48,151 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (803.79 ft / 787.40 ft) x 108.27 ft x (29.53 / 30.76 ft)
   (245.00 m / 240.00 m) x 33.00 m  x (9.00 / 9.38 m)

Armament:
      12 - 13.39" / 340 mm 45.0 cal guns - 1,212.54lbs / 550.00kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1909 Model
     2 x Quad mounts on centreline, forward deck forward
      1 raised mount - superfiring
     1 x Quad mount on centreline, forward deck aft
      20 - 5.51" / 140 mm 55.0 cal guns - 85.98lbs / 39.00kg shells, 200 per gun
     Quick firing guns in casemate mounts, 1909 Model
     12 x Single mounts on sides, forward evenly spread
     8 x Single mounts on sides, aft evenly spread
      2 - 3.94" / 100 mm 45.0 cal guns - 30.86lbs / 14.00kg shells, 200 per gun
     Anti-air guns in deck and hoist mounts, 1915 Model
     2 x Single mounts on sides, aft deck centre
      2 raised mounts
      4 - 1.77" / 45.0 mm 50.0 cal guns - 3.31lbs / 1.50kg shells, 350 per gun
     Anti-air guns in deck mounts, 1911 Model
     4 x Single mounts on sides, evenly spread
      4 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, 1911 Model
     10 x Single mounts on sides, evenly spread
      Weight of broadside 16,345 lbs / 7,414 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   13.4" / 340 mm   472.11 ft / 143.90 m   18.04 ft / 5.50 m
   Ends:   1.97" / 50 mm   315.26 ft / 96.09 m   13.12 ft / 4.00 m
     Main Belt covers 92 % of normal length

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      2.36" / 60 mm   472.11 ft / 143.90 m   31.17 ft / 9.50 m
   Beam between torpedo bulkheads 85.30 ft / 26.00 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   16.5" / 420 mm   7.09" / 180 mm      13.4" / 340 mm
   2nd:   3.94" / 100 mm   1.97" / 50 mm      3.94" / 100 mm
   3rd:   0.20" / 5 mm         -         0.98" / 25 mm
   4th:   0.20" / 5 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 3.35" / 85 mm
   Forecastle: 1.38" / 35 mm  Quarter deck: 1.38" / 35 mm

   - Conning towers: Forward 13.39" / 340 mm, Aft 0.00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 4 shafts, 148,000 shp / 110,408 Kw = 29.13 kts
   Range 8,000nm at 14.00 kts
   Bunker at max displacement = 5,124 tons

Complement:
   1,566 - 2,037

Cost:
   £6.661 million / $26.644 million

Distribution of weights at normal displacement:
   Armament: 2,900 tons, 6.3 %
      - Guns: 2,900 tons, 6.3 %
   Armour: 13,737 tons, 29.9 %
      - Belts: 5,296 tons, 11.5 %
      - Torpedo bulkhead: 1,286 tons, 2.8 %
      - Armament: 3,296 tons, 7.2 %
      - Armour Deck: 3,489 tons, 7.6 %
      - Conning Tower: 370 tons, 0.8 %
   Machinery: 5,425 tons, 11.8 %
   Hull, fittings & equipment: 16,603 tons, 36.2 %
   Fuel, ammunition & stores: 4,774 tons, 10.4 %
   Miscellaneous weights: 2,435 tons, 5.3 %
      - Hull below water: 1,620 tons
      - Hull above water: 150 tons
      - On freeboard deck: 615 tons
      - Above deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     75,300 lbs / 34,156 Kg = 62.8 x 13.4 " / 340 mm shells or 10.9 torpedoes
   Stability (Unstable if below 1.00): 1.21
   Metacentric height 8.0 ft / 2.4 m
   Roll period: 16.1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.64
   Seaboat quality  (Average = 1.00): 1.31

Hull form characteristics:
   Hull has low quarterdeck ,
     a normal bow and a round stern
   Block coefficient (normal/deep): 0.638 / 0.643
   Length to Beam Ratio: 7.27 : 1
   'Natural speed' for length: 28.06 kts
   Power going to wave formation at top speed: 52 %
   Trim (Max stability = 0, Max steadiness = 100): 53
   Bow angle (Positive = bow angles forward): 20.00 degrees
   Stern overhang: 5.64 ft / 1.72 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   21.00 %,  29.53 ft / 9.00 m,  28.71 ft / 8.75 m
      - Forward deck:   35.00 %,  28.71 ft / 8.75 m,  28.71 ft / 8.75 m
      - Aft deck:   24.96 %,  28.71 ft / 8.75 m,  28.71 ft / 8.75 m
      - Quarter deck:   19.04 %,  19.69 ft / 6.00 m,  19.69 ft / 6.00 m
      - Average freeboard:      27.06 ft / 8.25 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 91.7 %
      - Above water (accommodation/working, high = better): 225.5 %
   Waterplane Area: 64,581 Square feet or 6,000 Square metres
   Displacement factor (Displacement / loading): 112 %
   Structure weight / hull surface area: 198 lbs/sq ft or 966 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.43
      - 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 Distribution
-Below Water (1620t)
--1360t Electric Drives
--200t Additional Pumps
--45t Additional Damage Control Equipment
--15t Construction Reserve
-Above Water (150t)
--40t Improved Officer Accommodations
--40t Improved Crew Accomodations
--20t Additional Damage Control Equipment
--20t Enhanced Ventilation and Crew Comfort
--20t Short-Range Wireless (x2)
--10t Construction Reserve
-On Deck (615t)
--290t 1918 Fire Control (Originally fit with 1912 Fire Control, upgraded with free in construction refit)
--90t Flag Facilities
--40t Admiralty Accommodations
--50t Long Range Wireless (x2)
--20t Enhanced Ventilation and Crew Comfort
--40t Night Fighting Equipment
--50t Additional Damage Control Equipment
--25t Huelsmeyre Equipment
--10t Construction Reserve
-Above Deck (50t)
--20t Additional Optical Spotting Equipment
--15t Night Fighting Equipment
--15t Improved Signaling Equipment

Turrets arranged A(B)[SS]Q[ss] with B superfiring A. Secondaries are grouped between B and Q (Side Fore Deck), or aft of Q (Side Aft Deck)

Armored deck is a 70mm Main deck with a 15mm splinter deck, 35mm uniform deck over the ends.

Cruise Speeds/SpringSharp Range/True Range (Electric Drive bonus)
10knts/16340nm/18791nm
14knts/8000nm/10000nm
20knts/3438nm/3953nm
25knts/1901mn/2186nm
29knts/1242nm/1428nm

Time at Top Speed: 49.24 Hours
Fastest Speed From Brest to Havana (3943nm):20knts for 197.15h transit