Almirante Brión
Colombian heavy cruiser laid down 1944
Displacement:
10,509 t light; 11,016 t standard; 12,177 t normal; 13,106 t full load
Dimensions: Length overall / water x beam x draught
641.45 ft / 625.00 ft x 66.00 ft x 20.50 ft (normal load)
195.52 m / 190.50 m x 20.12 m x 6.25 m
Armament:
9 - 8.00" / 203 mm guns (3x3 guns), 256.00lbs / 116.12kg shells, 1944 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 5.10" / 130 mm guns (4x2 guns), 66.33lbs / 30.09kg shells, 1944 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, all raised mounts
2 - 5.10" / 130 mm guns (1x2 guns), 66.33lbs / 30.09kg shells, 1944 Model
Dual purpose guns in a deck mount with hoist
on centreline aft, all raised guns - superfiring
16 - 1.58" / 40.0 mm guns (4x4 guns), 1.95lbs / 0.88kg shells, 1944 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
24 - 0.79" / 20.0 mm guns (6x4 guns), 0.24lbs / 0.11kg shells, 1944 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 1 raised mount
Weight of broadside 3,004 lbs / 1,363 kg
Shells per gun, main battery: 150
8 - 25.6" / 650.24 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.72" / 120 mm 365.00 ft / 111.25 m 10.00 ft / 3.05 m
Ends: Unarmoured
Main Belt covers 90 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5.91" / 150 mm 3.15" / 80 mm 3.94" / 100 mm
2nd: 1.97" / 50 mm 0.98" / 25 mm 1.57" / 40 mm
3rd: 1.97" / 50 mm 0.98" / 25 mm 1.57" / 40 mm
4th: 0.98" / 25 mm - -
5th: 0.98" / 25 mm - -
- Armour deck: 2.36" / 60 mm, Conning tower: 3.15" / 80 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 81,793 shp / 61,017 Kw = 32.00 kts
Range 9,500nm at 15.00 kts
Bunker at max displacement = 2,090 tons
Complement:
579 - 753
Cost:
£6.564 million / $26.255 million
Distribution of weights at normal displacement:
Armament: 376 tons, 3.1 %
Armour: 2,516 tons, 20.7 %
- Belts: 733 tons, 6.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 493 tons, 4.0 %
- Armour Deck: 1,254 tons, 10.3 %
- Conning Tower: 36 tons, 0.3 %
Machinery: 2,089 tons, 17.2 %
Hull, fittings & equipment: 5,309 tons, 43.6 %
Fuel, ammunition & stores: 1,668 tons, 13.7 %
Miscellaneous weights: 220 tons, 1.8 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
18,877 lbs / 8,562 Kg = 73.7 x 8.0 " / 203 mm shells or 2.2 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 3.3 ft / 1.0 m
Roll period: 15.2 seconds
Steadiness - As gun platform (Average = 50 %): 57 %
- Recoil effect (Restricted arc if above 1.00): 0.63
Seaboat quality (Average = 1.00): 1.15
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.504
Length to Beam Ratio: 9.47 : 1
'Natural speed' for length: 28.64 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28.50 ft / 8.69 m
- Forecastle (20 %): 21.00 ft / 6.40 m
- Mid (50 %): 21.00 ft / 6.40 m
- Quarterdeck (15 %): 21.00 ft / 6.40 m
- Stern: 21.00 ft / 6.40 m
- Average freeboard: 21.60 ft / 6.58 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 82.1 %
- Above water (accommodation/working, high = better): 158.8 %
Waterplane Area: 28,688 Square feet or 2,665 Square metres
Displacement factor (Displacement / loading): 123 %
Structure weight / hull surface area: 121 lbs/sq ft or 591 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.47
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
80 tons for electronics
40 tons for 1 aircraft, catipult and crane
20 tons for climate control equipment (air conditioning,ventalation and heating)
25 tons for AA electronic fire control
20 tons for Diesel electric generators
20 tons for additional damage control equipment
15 tons for future growth
Ships in Class:
- Almirante Brión
- Almirante Garcia