And here's the version that will be built:
General Belgrano, Argentine Light Cruiser laid down 1932
Displacement:
10,382 t light; 10,805 t standard; 11,886 t normal; 12,750 t full load
Dimensions: Length overall / water x beam x draught
637.98 ft / 623.36 ft x 65.62 ft x 20.34 ft (normal load)
194.46 m / 190.00 m x 20.00 m x 6.20 m
Armament:
15 - 5.91" / 150 mm guns (5x3 guns), 100.31lbs / 45.50kg shells, 1925 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 2 raised mounts - superfiring
8 - 3.94" / 100 mm guns (4x2 guns), 30.51lbs / 13.84kg shells, 1932 Model
Dual purpose guns in deck mounts with hoists
on side ends, evenly spread
16 - 1.46" / 37.0 mm guns (8x2 guns), 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
16 - 0.79" / 20.0 mm guns (8x2 guns), 0.24lbs / 0.11kg shells, 1932 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 1,777 lbs / 806 kg
Shells per gun, main battery: 180
8 - 23.6" / 600 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.72" / 120 mm 405.18 ft / 123.50 m 9.71 ft / 2.96 m
Ends: Unarmoured
Main Belt covers 100 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.72" / 120 mm 2.76" / 70 mm 4.72" / 120 mm
2nd: 1.97" / 50 mm 0.79" / 20 mm 1.97" / 50 mm
3rd: 0.39" / 10 mm - -
4th: 0.39" / 10 mm - -
- Armour deck: 2.24" / 57 mm, Conning tower: 4.72" / 120 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 85,493 shp / 63,778 Kw = 32.50 kts
Range 8,000nm at 15.00 kts
Bunker at max displacement = 1,945 tons
Complement:
568 - 739
Cost:
£4.125 million / $16.499 million
Distribution of weights at normal displacement:
Armament: 227 tons, 1.9 %
Armour: 2,605 tons, 21.9 %
- Belts: 777 tons, 6.5 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 598 tons, 5.0 %
- Armour Deck: 1,177 tons, 9.9 %
- Conning Tower: 53 tons, 0.4 %
Machinery: 2,523 tons, 21.2 %
Hull, fittings & equipment: 4,936 tons, 41.5 %
Fuel, ammunition & stores: 1,504 tons, 12.7 %
Miscellaneous weights: 90 tons, 0.8 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
18,467 lbs / 8,376 Kg = 179.3 x 5.9 " / 150 mm shells or 2.1 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 3.2 ft / 1.0 m
Roll period: 15.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.45
Seaboat quality (Average = 1.00): 1.29
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.500
Length to Beam Ratio: 9.50 : 1
'Natural speed' for length: 28.61 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 54
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 31.17 ft / 9.50 m
- Forecastle (20 %): 22.97 ft / 7.00 m
- Mid (40 %): 22.47 ft / 6.85 m
- Quarterdeck (15 %): 22.47 ft / 6.85 m
- Stern: 22.47 ft / 6.85 m
- Average freeboard: 23.28 ft / 7.10 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 85.4 %
- Above water (accommodation/working, high = better): 177.8 %
Waterplane Area: 28,340 Square feet or 2,633 Square metres
Displacement factor (Displacement / loading): 124 %
Structure weight / hull surface area: 109 lbs/sq ft or 533 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.62
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
50 tons reserved for aircraft facilities
40 tons reserved for future growth