WesWorld

Stockholm, Sweden Cruiser laid down 1930

Displacement:
6 452 t light; 6 688 t standard; 7 145 t normal; 7 481 t full load
Loading submergence 469 tons/feet

Dimensions:
524,93 ft x 52,49 ft x 19,69 ft (normal load)
160,00 m x 16,00 m x 6,00 m

Armament:
7 - 6,00" / 152 mm guns (3 Main turrets, 1 superfiring turret)
Superfiring turret is aft
8 - 4,13" / 105 mm guns
12 - 2,24" / 57 mm AA guns
10 - 1,00" / 25 mm guns
Weight of broadside 1 111 lbs / 504 kg
8 - 21,0" / 533,4 mm above water torpedoes

Armour:
Belt 2,95" / 75 mm, ends unarmoured
Belts cover 100 % of normal area
Main belt does not fully protect magazines and engineering spaces
Main turrets 1,97" / 50 mm, 2nd gun shields 0,98" / 25 mm
AA gun shields 0,20" / 5 mm
Armour deck 0,98" / 25 mm, Conning tower 2,95" / 75 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 80 395 shp / 59 975 Kw = 33,00 kts
Range 5 000nm at 14,00 kts

Complement:
388 - 505

Cost:
£2,859 million / $11,435 million

Distribution of weights at normal displacement:
Armament: 139 tons, 1,9 %
Armour: 844 tons, 11,8 %
Belts: 359 tons, 5,0 %, Armament: 163 tons, 2,3 %, Armour Deck: 299 tons, 4,2 %
Conning Tower: 24 tons, 0,3 %, Torpedo bulkhead: 0 tons, 0,0 %
Machinery: 2 436 tons, 34,1 %
Hull, fittings & equipment: 2 958 tons, 41,4 %
Fuel, ammunition & stores: 692 tons, 9,7 %
Miscellaneous weights: 75 tons, 1,0 %

Metacentric height 2,5

Remarks:
Hull space for machinery, storage & compartmentation is cramped
Room for accommodation & workspaces is excellent
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,17
Shellfire needed to sink: 5 764 lbs / 2 615 Kg = 53,4 x 6,0 " / 152 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0,9
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 62 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,50
Relative quality as seaboat: 1,32

Hull form characteristics:
Block coefficient: 0,461
Sharpness coefficient: 0,32
Hull speed coefficient 'M': 8,33
'Natural speed' for length: 22,91 kts
Power going to wave formation at top speed: 59 %
Trim: 47
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 126,7 %
Relative accommodation and working space: 137,4 %
(Average = 100%)
Displacement factor: 104 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0,93
(Structure weight / hull surface area: 96 lbs / square foot or 469 Kg / square metre)
Relative longitudinal hull strength: 1,91
(for 21,33 ft / 6,50 m average freeboard, freeboard adjustment 7,17 ft)
Relative composite hull strength: 1,00

boxarmour around vitals

Quoted

Belts cover 100 % of normal area

and

Quoted

Underwater volume absorbed by magazines and engineering spaces: 126,7 %

a lot of vitals hanging out there in the open ...

very short range - the last thing a colonial cruiser needs and she is very lightly armoured. She is beig and expensive enough to really have to be a multipurpose design. Seakeeping is excessive IMHO.

how about:

Hernan Cortez, Iberia CL laid down 1930

Displacement:
6,803 t light; 7,040 t standard; 7,827 t normal; 8,425 t full load
Loading submergence 498 tons/feet

Dimensions:
524.93 ft x 52.49 ft x 19.69 ft (normal load)
160.00 m x 16.00 m x 6.00 m

Armament:
8 - 3.94" / 100 mm guns (2 Main turrets x 4 guns, 2 superfiring turrets)
6 - 6.00" / 152 mm guns (2 2nd turrets x 3 guns)
12 - 2.24" / 57 mm AA guns
6 - 0.53" / 14 mm guns
Weight of broadside 960 lbs / 436 kg
8 - 23.6" / 600 mm above water torpedoes

Armour:
Belt 2.76" / 70 mm, ends unarmoured
Belts cover 128 % of normal area
Main turrets 1.18" / 30 mm, 2nd turrets 2.76" / 70 mm
AA gun shields 0.79" / 20 mm
Armour deck 1.18" / 30 mm, Conning tower 2.76" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 87,065 shp / 64,950 Kw = 33.00 kts
Range 7,000nm at 15.00 kts

Complement:
416 - 540

Cost:
£2.962 million / $11.848 million

Distribution of weights at normal displacement:
Armament: 120 tons, 1.5 %
Armour: 1,017 tons, 13.0 %
Belts: 429 tons, 5.5 %, Armament: 184 tons, 2.3 %, Armour Deck: 381 tons, 4.9 %
Conning Tower: 23 tons, 0.3 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 2,638 tons, 33.7 %
Hull, fittings & equipment: 2,953 tons, 37.7 %
Fuel, ammunition & stores: 1,023 tons, 13.1 %
Miscellaneous weights: 75 tons, 1.0 %

Metacentric height 2.3

Remarks:
Hull space for machinery, storage & compartmentation is cramped
Room for accommodation & workspaces is adequate

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.10
Shellfire needed to sink: 6,187 lbs / 2,806 Kg = 202.8 x 3.9 " / 100 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 1.0
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 69 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.44
Relative quality as seaboat: 1.06

Hull form characteristics:
Block coefficient: 0.505
Sharpness coefficient: 0.33
Hull speed coefficient 'M': 8.08
'Natural speed' for length: 22.91 kts
Power going to wave formation at top speed: 61 %
Trim: 65
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 122.3 %
Relative accommodation and working space: 117.4 %
(Average = 100%)
Displacement factor: 107 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.95
(Structure weight / hull surface area: 95 lbs / square foot or 464 Kg / square metre)
Relative longitudinal hull strength: 1.63
(for 19.69 ft / 6.00 m average freeboard, freeboard adjustment 5.27 ft)
Relative composite hull strength: 1.00