The J/DD/1933 design

The J/DD/1933 design is larger, has dual-purpose 5in guns and 10-24in TT. The range is increased to 5,400nm at 15 knots. Admittedly, this is not trying to much different than the real Japanese destroyers. This is the Springsharp report:

J/DD/1933, Japan Destroyer laid down 1933 (Engine 1940)

Displacement:
 1,825 t light; 1,868 t standard; 2,120 t normal; 2,322 t full load

Dimensions: Length overall / water x beam x draught
 367.31 ft / 365.00 ft x 34.00 ft x 13.00 ft (normal load)
 111.96 m / 111.25 m x 10.36 m  x 3.96 m

Armament:
      6 - 5.00" / 127 mm guns (3x2 guns), 62.50lbs / 28.35kg shells, 1933 Model
   Dual purpose guns in deck mounts with hoists
   on centreline, evenly spread
   Aft Main mounts separated by engine room
      12 - 2.24" / 57.0 mm guns (6x2 guns), 5.65lbs / 2.56kg shells, 1933 Model
   Anti-aircraft guns in deck mounts 
   on side, all amidships, 4 raised mounts - superfiring
 Weight of broadside 443 lbs / 201 kg
 Shells per gun, main battery: 0
 10 - 24.0" / 609.6 mm above water torpedoes

Machinery:
 Oil fired boilers, steam turbines, 
 Geared drive, 2 shafts, 57,477 shp / 42,878 Kw = 35.00 kts
 Range 5,400nm at 15.00 kts
 Bunker at max displacement = 454 tons

Complement:
 156 - 203

Cost:
 £1.282 million / $5.127 million

Distribution of weights at normal displacement:
 Armament: 55 tons, 2.6 %
 Machinery: 1,148 tons, 54.2 %
 Hull, fittings & equipment: 622 tons, 29.3 %
 Fuel, ammunition & stores: 295 tons, 13.9 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   450 lbs / 204 Kg = 7.2 x 5.0 " / 127 mm shells or 0.3 torpedoes
 Stability (Unstable if below 1.00): 1.24
 Metacentric height 1.5 ft / 0.4 m
 Roll period: 11.8 seconds
 Steadiness - As gun platform (Average = 50 %): 53 %
   - Recoil effect (Restricted arc if above 1.00): 0.69
 Seaboat quality  (Average = 1.00): 1.07

Hull form characteristics:
 Hull has rise forward of midbreak
 Block coefficient: 0.460
 Length to Beam Ratio: 10.74 : 1
 'Natural speed' for length: 19.10 kts
 Power going to wave formation at top speed: 70 %
 Trim (Max stability = 0, Max steadiness = 100): 50
 Bow angle (Positive = bow angles forward): 3.00 degrees
 Stern overhang: 1.00 ft / 0.30 m
 Freeboard (% = measuring location as a percentage of overall length):
    - Stem:  25.00 ft / 7.62 m
    - Forecastle (20 %): 22.00 ft / 6.71 m
    - Mid (37 %):  22.00 ft / 6.71 m (14.00 ft / 4.27 m aft of break)
    - Quarterdeck (15 %): 14.00 ft / 4.27 m
    - Stern:  14.00 ft / 4.27 m
    - Average freeboard: 17.20 ft / 5.24 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 192.8 %
  - Above water (accommodation/working, high = better): 43.1 %
 Waterplane Area: 7,982 Square feet or 742 Square metres
 Displacement factor (Displacement / loading): 60 %
 Structure weight / hull surface area: 34 lbs/sq ft or 167 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.43
  - Longitudinal: 2.61
  - Overall: 0.52
 Hull space for machinery, storage, compartmentation is cramped
 Room for accommodation and workspaces is extremely poor