Now that I understand better how to use Springsharp, the Ger/DL/1915 design works better

I just tried the Ger/DL/1915 design study in Springsharp, and by accepting 34 knots as the speed, which is not unreasonable for 1915, I was able to make it work. The only thing I had to do was to raise the freeboard to get acceptable seakeeping ability. The design, as specified originally was as follows:

• Length: 332ft
• Beam: 32ft
• Draft: 12.7ft
• Prismatic Coefficient: 0.60
• Midship Coefficient: 0.80
• Fuel oil: 450 tons
• Power to reach the designed speed: 20 SHP/ton of displacement
• Machinery weight: 900 tons
• Fuel consumption: 12.1 tons/hour for 37.4 hours
• Machinery weight basis: 50 SHP/ton of machinery

This is my Springsharp report:

Ger/DL/1915, Germany Enter ship type laid down 1915 (Engine 1927)

Displacement:
 1,533 t light; 1,594 t standard; 1,748 t normal; 1,872 t full load

Dimensions: Length overall / water x beam x draught
 332.84 ft / 332.00 ft x 32.00 ft x 13.00 ft (normal load)
 101.45 m / 101.19 m x 9.75 m  x 3.96 m

Armament:
      5 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1915 Model
   Quick firing guns in deck mounts with hoists
   on centreline, evenly spread, 2 raised mounts
 Weight of broadside 313 lbs / 142 kg
 Shells per gun, main battery: 150
 4 - 23.6" / 599.44 mm above water torpedoes

Machinery:
 Oil fired boilers, steam turbines, 
 Geared drive, 2 shafts, 47,283 shp / 35,273 Kw = 34.00 kts
 Range 3,200nm at 15.00 kts
 Bunker at max displacement = 278 tons

Complement:
 134 - 175

Cost:
 £0.327 million / $1.308 million

Distribution of weights at normal displacement:
 Armament: 39 tons, 2.2 %
 Machinery: 988 tons, 56.5 %
 Hull, fittings & equipment: 506 tons, 28.9 %
 Fuel, ammunition & stores: 215 tons, 12.3 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   355 lbs / 161 Kg = 5.7 x 5.0 " / 127 mm shells or 0.2 torpedoes
 Stability (Unstable if below 1.00): 1.35
 Metacentric height 1.5 ft / 0.5 m
 Roll period: 10.8 seconds
 Steadiness - As gun platform (Average = 50 %): 57 %
   - Recoil effect (Restricted arc if above 1.00): 0.68
 Seaboat quality  (Average = 1.00): 1.14

Hull form characteristics:
 Hull has rise forward of midbreak
 Block coefficient: 0.443
 Length to Beam Ratio: 10.38 : 1
 'Natural speed' for length: 18.22 kts
 Power going to wave formation at top speed: 70 %
 Trim (Max stability = 0, Max steadiness = 100): 50
 Bow angle (Positive = bow angles forward): 2.00 degrees
 Stern overhang: 0.00 ft / 0.00 m
 Freeboard (% = measuring location as a percentage of overall length):
    - Stem:  24.00 ft / 7.32 m
    - Forecastle (20 %): 22.00 ft / 6.71 m
    - Mid (34 %):  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: 16.88 ft / 5.15 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 199.3 %
  - Above water (accommodation/working, high = better): 101.3 %
 Waterplane Area: 6,739 Square feet or 626 Square metres
 Displacement factor (Displacement / loading): 53 %
 Structure weight / hull surface area: 31 lbs/sq ft or 151 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.41
  - Longitudinal: 3.17
  - Overall: 0.51
 Hull space for machinery, storage, compartmentation is cramped
 Room for accommodation and workspaces is adequate