The US/BB/1923

I was amazed at what could be done on a relatively small displacement. The US/BB/1923 has 8-18in guns and a 16in armour basis. The speed is increased to 25 knots. All the characteristics seem to be good. Is there something I am missing? This is the Springsharp report:

US/BB/1923, United States Battleship laid down 1923

Displacement:
 43,733 t light; 45,988 t standard; 48,500 t normal; 50,510 t full load

Dimensions: Length overall / water x beam x draught
 672.45 ft / 670.00 ft x 108.00 ft x 31.00 ft (normal load)
 204.96 m / 204.22 m x 32.92 m  x 9.45 m

Armament:
      8 - 18.00" / 457 mm guns (4x2 guns), 2,916.00lbs / 1,322.68kg shells, 1923 Model
   Breech loading guns in turrets (on barbettes)
   on centreline ends, evenly spread, 2 raised mounts - superfiring
      14 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1923 Model
   Quick firing guns in casemate mounts 
   on side, all amidships, 4 raised mounts - superfiring
      8 - 5.00" / 127 mm guns (4x2 guns), 62.50lbs / 28.35kg shells, 1923 Model
   Anti-aircraft guns in deck mounts with hoists
   on side, evenly spread, 2 raised mounts
      24 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1923 Model
   Machine guns in deck mounts 
   on side, evenly spread, 12 raised mounts
 Weight of broadside 25,342 lbs / 11,495 kg
 Shells per gun, main battery: 90

Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 16.0" / 406 mm 460.00 ft / 140.21 m 17.00 ft / 5.18 m
 Ends: Unarmoured
   Main Belt covers 106 % of normal length

   - Torpedo Bulkhead:
  4.00" / 102 mm 460.00 ft / 140.21 m 30.00 ft / 9.14 m

   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 16.0" / 406 mm 12.0" / 305 mm  16.0" / 406 mm
 2nd: 2.00" / 51 mm 2.00" / 51 mm  2.00" / 51 mm

   - Armour deck: 6.00" / 152 mm, Conning tower: 16.00" / 406 mm

Machinery:
 Oil fired boilers, steam turbines, 
 Geared drive, 4 shafts, 94,438 shp / 70,451 Kw = 25.00 kts
 Range 6,500nm at 15.00 kts
 Bunker at max displacement = 4,522 tons

Complement:
 1,633 - 2,124

Cost:
 £13.479 million / $53.916 million

Distribution of weights at normal displacement:
 Armament: 3,168 tons, 6.5 %
 Armour: 19,646 tons, 40.5 %
    - Belts: 5,478 tons, 11.3 %
    - Torpedo bulkhead: 2,042 tons, 4.2 %
    - Armament: 4,900 tons, 10.1 %
    - Armour Deck: 6,766 tons, 14.0 %
    - Conning Tower: 458 tons, 0.9 %
 Machinery: 3,156 tons, 6.5 %
 Hull, fittings & equipment: 17,763 tons, 36.6 %
 Fuel, ammunition & stores: 4,767 tons, 9.8 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   64,833 lbs / 29,408 Kg = 22.2 x 18.0 " / 457 mm shells or 11.1 torpedoes
 Stability (Unstable if below 1.00): 1.07
 Metacentric height 6.3 ft / 1.9 m
 Roll period: 18.0 seconds
 Steadiness - As gun platform (Average = 50 %): 55 %
   - Recoil effect (Restricted arc if above 1.00): 0.87
 Seaboat quality  (Average = 1.00): 1.09

Hull form characteristics:
 Hull has rise forward of midbreak
 Block coefficient: 0.757
 Length to Beam Ratio: 6.20 : 1
 'Natural speed' for length: 25.88 kts
 Power going to wave formation at top speed: 53 %
 Trim (Max stability = 0, Max steadiness = 100): 50
 Bow angle (Positive = bow angles forward): 5.00 degrees
 Stern overhang: -2.00 ft / -0.61 m
 Freeboard (% = measuring location as a percentage of overall length):
    - Stem:  28.00 ft / 8.53 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: 22.60 ft / 6.89 m
 Ship tends to be wet forward

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 86.1 %
  - Above water (accommodation/working, high = better): 162.0 %
 Waterplane Area: 60,957 Square feet or 5,663 Square metres
 Displacement factor (Displacement / loading): 95 %
 Structure weight / hull surface area: 219 lbs/sq ft or 1,071 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.96
  - Longitudinal: 1.47
  - Overall: 1.00
 Hull space for machinery, storage, compartmentation is adequate
 Room for accommodation and workspaces is excellent