A French Mogami class: the F/CL/1941

The F/CL/1941 is aided by technology improvements, as the main armament is now 15-6.1in QF guns mounted in five triple turrets. The heavy AA armament is 16-100mm AA guns. The speed is still 35 knots, and the displacement only had to grow to 13,000 tons, normal. The standard displacement is only 11,981 tons, so a lot is done without a huge displacement. This is the Springsharp report:

F/CL/1941, France Light Cruiser laid down 1941 (Engine 1945)

Displacement:
 11,555 t light; 11,981 t standard; 13,000 t normal; 13,815 t full load

Dimensions: Length overall / water x beam x draught
 670.71 ft / 665.00 ft x 61.00 ft x 19.00 ft (normal load)
 204.43 m / 202.69 m x 18.59 m  x 5.79 m

Armament:
      15 - 6.10" / 155 mm guns (5x3 guns), 113.62lbs / 51.54kg shells, 1941 Model
   Quick firing guns in deck mounts with hoists
   on centreline ends, majority forward, 2 raised mounts - superfiring
      16 - 3.94" / 100 mm guns (8x2 guns), 30.51lbs / 13.84kg shells, 1941 Model
   Anti-aircraft guns in deck mounts with hoists
   on side, evenly spread, all raised mounts
      36 - 1.85" / 47.0 mm guns (18x2 guns), 3.17lbs / 1.44kg shells, 1941 Model
   Anti-aircraft guns in deck mounts with hoists
   on side, all amidships, 14 raised mounts - superfiring
 Weight of broadside 2,307 lbs / 1,046 kg
 Shells per gun, main battery: 120
 10 - 21.7" / 549.9999 mm above water torpedoes

Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 3.00" / 76 mm 440.00 ft / 134.11 m 12.00 ft / 3.66 m
 Ends: 2.00" / 51 mm 160.00 ft / 48.77 m 8.00 ft / 2.44 m
   65.00 ft / 19.81 m Unarmoured ends
   Main Belt covers 102 % of normal length
   Main belt does not fully cover magazines and engineering spaces

   - Torpedo Bulkhead:
  1.25" / 32 mm 440.00 ft / 134.11 m 18.00 ft / 5.49 m

   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 3.00" / 76 mm 2.00" / 51 mm  3.00" / 76 mm
 2nd: 1.00" / 25 mm 1.00" / 25 mm  1.00" / 25 mm

   - Armour deck: 2.00" / 51 mm, Conning tower: 3.00" / 76 mm

Machinery:
 Oil fired boilers, steam turbines, 
 Geared drive, 4 shafts, 140,598 shp / 104,886 Kw = 35.00 kts
 Range 7,500nm at 15.00 kts
 Bunker at max displacement = 1,834 tons

Complement:
 608 - 791

Cost:
 £7.070 million / $28.280 million

Distribution of weights at normal displacement:
 Armament: 288 tons, 2.2 %
 Armour: 2,419 tons, 18.6 %
    - Belts: 749 tons, 5.8 %
    - Torpedo bulkhead: 366 tons, 2.8 %
    - Armament: 180 tons, 1.4 %
    - Armour Deck: 1,088 tons, 8.4 %
    - Conning Tower: 36 tons, 0.3 %
 Machinery: 3,550 tons, 27.3 %
 Hull, fittings & equipment: 5,297 tons, 40.7 %
 Fuel, ammunition & stores: 1,445 tons, 11.1 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   15,850 lbs / 7,190 Kg = 139.5 x 6.1 " / 155 mm shells or 2.0 torpedoes
 Stability (Unstable if below 1.00): 1.22
 Metacentric height 3.4 ft / 1.0 m
 Roll period: 13.8 seconds
 Steadiness - As gun platform (Average = 50 %): 54 %
   - Recoil effect (Restricted arc if above 1.00): 0.61
 Seaboat quality  (Average = 1.00): 1.09

Hull form characteristics:
 Hull has rise forward of midbreak
 Block coefficient: 0.590
 Length to Beam Ratio: 10.90 : 1
 'Natural speed' for length: 25.79 kts
 Power going to wave formation at top speed: 59 %
 Trim (Max stability = 0, Max steadiness = 100): 50
 Bow angle (Positive = bow angles forward): 5.00 degrees
 Stern overhang: 3.00 ft / 0.91 m
 Freeboard (% = measuring location as a percentage of overall length):
    - Stem:  31.00 ft / 9.45 m
    - Forecastle (20 %): 25.00 ft / 7.62 m
    - Mid (67 %):  25.00 ft / 7.62 m (17.00 ft / 5.18 m aft of break)
    - Quarterdeck (15 %): 17.00 ft / 5.18 m
    - Stern:  17.00 ft / 5.18 m
    - Average freeboard: 22.84 ft / 6.96 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 157.3 %
  - Above water (accommodation/working, high = better): 172.0 %
 Waterplane Area: 29,402 Square feet or 2,732 Square metres
 Displacement factor (Displacement / loading): 110 %
 Structure weight / hull surface area: 109 lbs/sq ft or 532 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.97
  - Longitudinal: 1.33
  - Overall: 1.00
 Hull space for machinery, storage, compartmentation is cramped
 Room for accommodation and workspaces is excellent