The original sketch design for the Ger/BB/1909

I realized that I had the original sketch design for the Ger/BB/1909, as I had originally conceived of the ship. This is my original specification:

Ger/BB/1909  Standard displacement: 27,000 tons  9-12in/50  8-6in QF
9in-13in belt    24 knots
Dimensions:  640ft x 105ft x 26.9ft
Cp=0.54  Cm=0.97   Power: 63,000 SHP

Weights:
Hull:     12,300 tons
Armament:  1,345.5 tons
Machinery: 4,500 tons
Misc:      2,160 tons
Prot:      6,694.5 tons

Springsharp report:

Ger/BB/1909, Germany Battleship laid down 1909

Displacement:
 25,910 t light; 26,945 t standard; 29,800 t normal; 32,084 t full load

Dimensions: Length overall / water x beam x draught
 640.00 ft / 640.00 ft x 105.00 ft x 26.90 ft (normal load)
 195.07 m / 195.07 m x 32.00 m  x 8.20 m

Armament:
      9 - 12.00" / 305 mm guns (3x3 guns), 864.00lbs / 391.90kg shells, 1909 Model
   Breech loading guns in turrets (on barbettes)
   on centreline, evenly spread, 1 raised mount
   Aft Main mounts separated by engine room
      8 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1909 Model
   Quick firing guns in deck mounts with hoists
   on side, all amidships
 Weight of broadside 8,640 lbs / 3,919 kg
 Shells per gun, main battery: 90

Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 13.0" / 330 mm 415.00 ft / 126.49 m 8.00 ft / 2.44 m
 Ends: Unarmoured
 Upper: 9.00" / 229 mm 415.00 ft / 126.49 m 8.00 ft / 2.44 m
   Main Belt covers 100 % of normal length

   - Torpedo Bulkhead:
  2.00" / 51 mm 415.00 ft / 126.49 m 26.00 ft / 7.92 m

   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 13.0" / 330 mm 9.00" / 229 mm  13.0" / 330 mm
 2nd: 6.00" / 152 mm 6.00" / 152 mm  6.00" / 152 mm

   - Armour deck: 4.00" / 102 mm, Conning tower: 13.00" / 330 mm

Machinery:
 Oil fired boilers, steam turbines, 
 Direct drive, 4 shafts, 66,778 shp / 49,816 Kw = 25.00 kts
 Range 6,500nm at 15.00 kts
 Bunker at max displacement = 5,139 tons

Complement:
 1,133 - 1,474

Cost:
 £2.239 million / $8.956 million

Distribution of weights at normal displacement:
 Armament: 1,080 tons, 3.6 %
 Armour: 10,424 tons, 35.0 %
    - Belts: 3,208 tons, 10.8 %
    - Torpedo bulkhead: 798 tons, 2.7 %
    - Armament: 2,590 tons, 8.7 %
    - Armour Deck: 3,559 tons, 11.9 %
    - Conning Tower: 269 tons, 0.9 %
 Machinery: 3,035 tons, 10.2 %
 Hull, fittings & equipment: 11,370 tons, 38.2 %
 Fuel, ammunition & stores: 3,890 tons, 13.1 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   55,903 lbs / 25,357 Kg = 64.7 x 12.0 " / 305 mm shells or 9.9 torpedoes
 Stability (Unstable if below 1.00): 1.18
 Metacentric height 7.3 ft / 2.2 m
 Roll period: 16.3 seconds
 Steadiness - As gun platform (Average = 50 %): 72 %
   - Recoil effect (Restricted arc if above 1.00): 0.39
 Seaboat quality  (Average = 1.00): 1.44

Hull form characteristics:
 Hull has rise forward of midbreak
 Block coefficient: 0.577
 Length to Beam Ratio: 6.10 : 1
 'Natural speed' for length: 25.30 kts
 Power going to wave formation at top speed: 50 %
 Trim (Max stability = 0, Max steadiness = 100): 50
 Bow angle (Positive = bow angles forward): -2.00 degrees
 Stern overhang: -2.00 ft / -0.61 m
 Freeboard (% = measuring location as a percentage of overall length):
    - Stem:  29.00 ft / 8.84 m
    - Forecastle (20 %): 26.00 ft / 7.92 m
    - Mid (68 %):  26.00 ft / 7.92 m (18.00 ft / 5.49 m aft of break)
    - Quarterdeck (15 %): 18.00 ft / 5.49 m
    - Stern:  18.00 ft / 5.49 m
    - Average freeboard: 23.68 ft / 7.22 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 75.2 %
  - Above water (accommodation/working, high = better): 193.3 %
 Waterplane Area: 48,101 Square feet or 4,469 Square metres
 Displacement factor (Displacement / loading): 119 %
 Structure weight / hull surface area: 174 lbs/sq ft or 849 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.95
  - Longitudinal: 1.69
  - Overall: 1.00
 Hull space for machinery, storage, compartmentation is excellent
 Room for accommodation and workspaces is excellent
 Ship has slow, easy roll, a good, steady gun platform
 Good seaboat, rides out heavy weather easily