A design not easily realized

There is a very radical design fast battlecruiser, which I assume that I meant to be German. The design has two triple 18in turrets forward, one in the superfiring position. The secondary armament is 16 single 5in QF guns. I have weights defined, along with dimensions. the specified beam (90ft) and the standard displacement (32,000 tons) is not realizable. To achieve adequate characteristics, the beam was increased to 105ft and the displacement to 39,700 tons, normal. That gives a standard displacement of 37,877 tons, which is closer than I had expected. The draft was increased to 32.5 ft for reasons of seakeeping, but mostly for hull strength. This is the Springsharp report:

Ger/CB/1917, Germany Battlecruiser laid down 1917 (Engine 1941)

Displacement:
 36,148 t light; 37,877 t standard; 39,700 t normal; 41,158 t full load

Dimensions: Length overall / water x beam x draught
 790.39 ft / 787.50 ft x 105.00 ft x 32.50 ft (normal load)
 240.91 m / 240.03 m x 32.00 m  x 9.91 m

Armament:
      6 - 18.00" / 457 mm guns (2x3 guns), 2,916.00lbs / 1,322.68kg shells, 1917 Model
   Breech loading guns in turrets (on barbettes)
   on centreline, all forward, 1 raised mount - superfiring
      16 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1917 Model
   Quick firing guns in deck mounts with hoists
   on side, all amidships, 4 raised mounts - superfiring
 Weight of broadside 18,496 lbs / 8,390 kg
 Shells per gun, main battery: 90

Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 9.00" / 229 mm 500.00 ft / 152.40 m 9.00 ft / 2.74 m
 Ends: Unarmoured
 Upper: 6.00" / 152 mm 500.00 ft / 152.40 m 8.00 ft / 2.44 m
   Main Belt covers 98 % of normal length
   Main belt does not fully cover magazines and engineering spaces

   - Torpedo Bulkhead:
  2.00" / 51 mm 500.00 ft / 152.40 m 30.00 ft / 9.14 m

   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 9.00" / 229 mm 7.00" / 178 mm  9.00" / 229 mm
 2nd: 5.00" / 127 mm 5.00" / 127 mm  5.00" / 127 mm

   - Armour deck: 3.00" / 76 mm, Conning tower: 9.00" / 229 mm

Machinery:
 Oil fired boilers, steam turbines, 
 Geared drive, 4 shafts, 209,175 shp / 156,044 Kw = 33.00 kts
 Range 6,500nm at 15.00 kts
 Bunker at max displacement = 3,281 tons

Complement:
 1,406 - 1,828

Cost:
 £7.239 million / $28.954 million

Distribution of weights at normal displacement:
 Armament: 2,312 tons, 5.8 %
 Armour: 9,673 tons, 24.4 %
    - Belts: 2,773 tons, 7.0 %
    - Torpedo bulkhead: 1,110 tons, 2.8 %
    - Armament: 2,459 tons, 6.2 %
    - Armour Deck: 3,106 tons, 7.8 %
    - Conning Tower: 226 tons, 0.6 %
 Machinery: 5,528 tons, 13.9 %
 Hull, fittings & equipment: 18,635 tons, 46.9 %
 Fuel, ammunition & stores: 3,552 tons, 8.9 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   48,217 lbs / 21,871 Kg = 16.5 x 18.0 " / 457 mm shells or 6.4 torpedoes
 Stability (Unstable if below 1.00): 1.07
 Metacentric height 6.2 ft / 1.9 m
 Roll period: 17.7 seconds
 Steadiness - As gun platform (Average = 50 %): 55 %
   - Recoil effect (Restricted arc if above 1.00): 0.87
 Seaboat quality  (Average = 1.00): 1.10

Hull form characteristics:
 Hull has rise forward of midbreak
 Block coefficient: 0.517
 Length to Beam Ratio: 7.50 : 1
 'Natural speed' for length: 28.06 kts
 Power going to wave formation at top speed: 56 %
 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:  33.00 ft / 10.06 m
    - Forecastle (20 %): 29.00 ft / 8.84 m
    - Mid (67 %):  29.00 ft / 8.84 m (21.00 ft / 6.40 m aft of break)
    - Quarterdeck (15 %): 21.00 ft / 6.40 m
    - Stern:  21.00 ft / 6.40 m
    - Average freeboard: 26.68 ft / 8.13 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 109.6 %
  - Above water (accommodation/working, high = better): 203.1 %
 Waterplane Area: 55,962 Square feet or 5,199 Square metres
 Displacement factor (Displacement / loading): 101 %
 Structure weight / hull surface area: 227 lbs/sq ft or 1,106 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.94
  - Longitudinal: 1.82
  - Overall: 1.00
 Hull space for machinery, storage, compartmentation is adequate
 Room for accommodation and workspaces is excellent