Finally, I did the 33-knot GB/BB/1941 fast battleship

My attempt at a British 33-knot fast battleship is pretty heavy. The actual displacement for the Iowa class ships was above 45,000 tons, so maybe this is not so bad. This is the Springsharp report:

GB/BB/1941 33 knost, Great Britain Battleship laid down 1941 (Engine 1945)

Displacement:
 50,392 t light; 52,587 t standard; 55,000 t normal; 56,930 t full load

Dimensions: Length overall / water x beam x draught
 878.89 ft / 876.00 ft x 110.00 ft x 33.00 ft (normal load)
 267.88 m / 267.00 m x 33.53 m  x 10.06 m

Armament:
      9 - 16.00" / 406 mm guns (3x3 guns), 2,048.00lbs / 928.96kg shells, 1941 Model
   Breech loading guns in turrets (on barbettes)
   on centreline ends, majority forward, 1 raised mount - superfiring
      20 - 4.50" / 114 mm guns (10x2 guns), 45.56lbs / 20.67kg shells, 1941 Model
   Dual purpose guns in turrets (on barbettes)
   on side, all amidships
      40 - 1.57" / 40.0 mm guns (10x4 guns), 1.95lbs / 0.89kg shells, 1941 Model
   Anti-aircraft guns in deck mounts 
   on side, evenly spread, 7 raised mounts
      12 - 1.57" / 40.0 mm guns (3x4 guns), 1.95lbs / 0.89kg shells, 1941 Model
   Anti-aircraft guns in deck mounts 
   on centreline, evenly spread
 Weight of broadside 19,445 lbs / 8,820 kg
 Shells per gun, main battery: 100

Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 14.0" / 356 mm 580.00 ft / 176.78 m 16.00 ft / 4.88 m
 Ends: Unarmoured
   Main Belt covers 102 % of normal length

   - Torpedo Bulkhead:
  4.00" / 102 mm 580.00 ft / 176.78 m 32.00 ft / 9.75 m

   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 14.0" / 356 mm 9.00" / 229 mm  14.0" / 356 mm
 2nd: 5.00" / 127 mm 5.00" / 127 mm  5.00" / 127 mm

   - Armour deck: 6.00" / 152 mm, Conning tower: 14.00" / 356 mm

Machinery:
 Oil fired boilers, steam turbines, 
 Geared drive, 4 shafts, 220,141 shp / 164,225 Kw = 33.00 kts
 Range 7,500nm at 15.00 kts
 Bunker at max displacement = 4,343 tons

Complement:
 1,795 - 2,334

Cost:
 £28.336 million / $113.343 million

Distribution of weights at normal displacement:
 Armament: 2,431 tons, 4.4 %
 Armour: 21,303 tons, 38.7 %
    - Belts: 5,535 tons, 10.1 %
    - Torpedo bulkhead: 2,747 tons, 5.0 %
    - Armament: 4,390 tons, 8.0 %
    - Armour Deck: 8,195 tons, 14.9 %
    - Conning Tower: 436 tons, 0.8 %
 Machinery: 5,559 tons, 10.1 %
 Hull, fittings & equipment: 21,100 tons, 38.4 %
 Fuel, ammunition & stores: 4,608 tons, 8.4 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   85,766 lbs / 38,903 Kg = 41.9 x 16.0 " / 406 mm shells or 14.6 torpedoes
 Stability (Unstable if below 1.00): 1.12
 Metacentric height 7.2 ft / 2.2 m
 Roll period: 17.2 seconds
 Steadiness - As gun platform (Average = 50 %): 52 %
   - Recoil effect (Restricted arc if above 1.00): 0.59
 Seaboat quality  (Average = 1.00): 1.05

Hull form characteristics:
 Hull has a flush deck
   and transom stern
 Block coefficient: 0.605
 Length to Beam Ratio: 7.96 : 1
 'Natural speed' for length: 34.00 kts
 Power going to wave formation at top speed: 54 %
 Trim (Max stability = 0, Max steadiness = 100): 50
 Bow angle (Positive = bow angles forward): 5.00 degrees
 Stern overhang: 0.00 ft / 0.00 m
 Freeboard (% = measuring location as a percentage of overall length):
    - Stem:  33.00 ft / 10.06 m
    - Forecastle (20 %): 25.00 ft / 7.62 m
    - Mid (50 %):  25.00 ft / 7.62 m
    - Quarterdeck (15 %): 25.00 ft / 7.62 m
    - Stern:  25.00 ft / 7.62 m
    - Average freeboard: 25.64 ft / 7.82 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 81.4 %
  - Above water (accommodation/working, high = better): 195.9 %
 Waterplane Area: 73,829 Square feet or 6,859 Square metres
 Displacement factor (Displacement / loading): 106 %
 Structure weight / hull surface area: 209 lbs/sq ft or 1,020 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.98
  - Longitudinal: 1.18
  - Overall: 1.00
 Hull space for machinery, storage, compartmentation is excellent
 Room for accommodation and workspaces is excellent