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Active Battlecruisers of the Marinha Imperial

Thanks to Hood for the Pic and Hrolf for the Sim.

BC Sao Paulo laid down 1937
BC Rio de Janeiro laid down 1938

Sao Paulo, Brazillian Battlecruiser laid down 1937

Displacement:
35,795 t light; 37,620 t standard; 40,319 t normal; 42,479 t full load

Dimensions: Length overall / water x beam x draught
811.52 ft / 787.40 ft x 91.86 ft (Bulges 98.43 ft) x 32.81 ft (normal load)
247.35 m / 240.00 m x 28.00 m (Bulges 30.00 m) x 10.00 m

Armament:
9 - 13.78" / 350 mm guns (3x3 guns), 1,543.24lbs / 700.00kg shells, 1937 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
20 - 4.72" / 120 mm guns (10x2 guns), 52.72lbs / 23.92kg shells, 1937 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 4 raised mounts
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, all raised mounts - superfiring
32 - 1.46" / 37.0 mm guns (16x2 guns), 1.55lbs / 0.70kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 8 raised mounts
32 - 0.79" / 20.0 mm guns (8x4 guns), 0.24lbs / 0.11kg shells, 1937 Model
Machine guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 15,007 lbs / 6,807 kg
Shells per gun, main battery: 120

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 14.6" / 370 mm 492.13 ft / 150.00 m 13.12 ft / 4.00 m
Ends: Unarmoured
Upper: 1.97" / 50 mm 492.13 ft / 150.00 m 1.64 ft / 0.50 m
Main Belt covers 96 % of normal length

- Torpedo Bulkhead and Bulges:
2.36" / 60 mm 492.13 ft / 150.00 m 29.27 ft / 8.92 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.0" / 380 mm 6.69" / 170 mm 15.0" / 380 mm
2nd: 1.97" / 50 mm 0.79" / 20 mm 1.97" / 50 mm
3rd: 0.79" / 20 mm 0.39" / 10 mm -
4th: 0.79" / 20 mm 0.39" / 10 mm -
5th: 0.39" / 10 mm - -

- Armour deck: 4.72" / 120 mm, Conning tower: 9.45" / 240 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 162,445 shp / 121,184 Kw = 32.00 kts
Range 10,000nm at 15.00 kts
Bunker at max displacement = 4,859 tons

Complement:
1,422 - 1,849

Cost:
£17.655 million / $70.621 million

Distribution of weights at normal displacement:
Armament: 1,611 tons, 4.0 %
Armour: 13,507 tons, 33.5 %
- Belts: 4,077 tons, 10.1 %
- Torpedo bulkhead: 1,259 tons, 3.1 %
- Armament: 3,316 tons, 8.2 %
- Armour Deck: 4,616 tons, 11.4 %
- Conning Tower: 239 tons, 0.6 %
Machinery: 4,502 tons, 11.2 %
Hull, fittings & equipment: 16,004 tons, 39.7 %
Fuel, ammunition & stores: 4,525 tons, 11.2 %
Miscellaneous weights: 170 tons, 0.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
61,942 lbs / 28,097 Kg = 47.3 x 13.8 " / 350 mm shells or 9.2 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 5.3 ft / 1.6 m
Roll period: 18.0 seconds
Steadiness - As gun platform (Average = 50 %): 53 %
- Recoil effect (Restricted arc if above 1.00): 0.79
Seaboat quality (Average = 1.00): 1.20

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.555
Length to Beam Ratio: 8.00 : 1
'Natural speed' for length: 32.40 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 44
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 36.09 ft / 11.00 m
- Forecastle (20 %): 26.90 ft / 8.20 m
- Mid (50 %): 26.90 ft / 8.20 m
- Quarterdeck (15 %): 26.90 ft / 8.20 m
- Stern: 26.90 ft / 8.20 m
- Average freeboard: 27.64 ft / 8.42 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 87.1 %
- Above water (accommodation/working, high = better): 190.3 %
Waterplane Area: 52,808 Square feet or 4,906 Square metres
Displacement factor (Displacement / loading): 113 %
Structure weight / hull surface area: 196 lbs/sq ft or 955 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.58
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent

Main belt consists of a 50mm decapping plate backed by the 320mm main belt. Upper belt is an extension of the decapping plate.

100t for Electronics outfit
50t for two floatplanes
20t for cranes and catapult.