Colombia has also purchased the armoured cruiser Capitan Oyama. Its planned that her sister will also be purchased and funds have been set aside.
[SIZE=1]Image by wes/thesmilingassassin and heavily modified by Brockpaine.[/SIZE]
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Capitan Oyama-class, Colombia (Ex-Chilean) Armoured Cruiser laid down 1930/1933[/SIZE]
Displacement:
22,745 t light; 23,671 t standard; 27,000 t normal; 29,555 t full load
Dimensions: Length overall / water x beam x draught
738.00 ft / 720.00 ft x 92.00 ft x 29.00 ft (normal load)
224.94 m / 219.46 m x 28.04 m x 8.84 m
Armament:
9 - 10.00" / 254 mm guns (3x3 guns), 500.00lbs / 226.80kg shells, 1930 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
20 - 4.33" / 110 mm guns (10x2 guns), 40.61lbs / 18.42kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships, 4 raised mounts - superfiring
24 - 1.46" / 37.0 mm guns (12x2 guns), 1.55lbs / 0.70kg shells, 1930 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 6 raised mounts
Weight of broadside 5,349 lbs / 2,426 kg
Shells per gun, main battery: 125
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 8.50" / 216 mm 470.00 ft / 143.26 m 12.00 ft / 3.66 m
Ends: Unarmoured
Main Belt covers 100 % of normal length
- Torpedo Bulkhead:
1.00" / 25 mm 470.00 ft / 143.26 m 26.00 ft / 7.92 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.50" / 216 mm 4.13" / 105 mm 8.00" / 203 mm
2nd: 4.13" / 105 mm 4.13" / 105 mm 4.00" / 102 mm
3rd: 0.25" / 6 mm - -
- Armour deck: 4.00" / 102 mm, Conning tower: 8.50" / 216 mm
Machinery:
Oil fired boilers, steam turbines,
Electric cruising motors plus geared drives, 3 shafts, 150,000 shp / 111,900 Kw = 33.41 kts
Range 8,000nm at 20.00 kts (Bunkerage = 5,991 tons)
Complement:
1,053 - 1,369
Cost:
£8.339 million / $33.356 million
Distribution of weights at normal displacement:
Armament: 669 tons, 2.5 %
Armour: 7,382 tons, 27.3 %
- Belts: 2,038 tons, 7.5 %
- Torpedo bulkhead: 452 tons, 1.7 %
- Armament: 1,356 tons, 5.0 %
- Armour Deck: 3,371 tons, 12.5 %
- Conning Tower: 165 tons, 0.6 %
Machinery: 4,545 tons, 16.8 %
Hull, fittings & equipment: 10,074 tons, 37.3 %
Fuel, ammunition & stores: 4,255 tons, 15.8 %
Miscellaneous weights: 75 tons, 0.3 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
31,655 lbs / 14,359 Kg = 63.3 x 10.0 " / 254 mm shells or 4.0 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 5.3 ft / 1.6 m
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.39
Seaboat quality (Average = 1.00): 1.08
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.492
Length to Beam Ratio: 7.83 : 1
'Natural speed' for length: 31.27 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 65
Bow angle (Positive = bow angles forward): 25.82 degrees
Stern overhang: 3.00 ft / 0.91 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 31.00 ft / 9.45 m
- Forecastle (20 %): 25.00 ft / 7.62 m
- Mid (50 %): 24.00 ft / 7.32 m
- Quarterdeck (15 %): 21.00 ft / 6.40 m
- Stern: 21.00 ft / 6.40 m
- Average freeboard: 23.86 ft / 7.27 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 95.2 %
- Above water (accommodation/working, high = better): 193.0 %
Waterplane Area: 45,554 Square feet or 4,232 Square metres
Displacement factor (Displacement / loading): 123 %
Structure weight / hull surface area: 152 lbs/sq ft or 744 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.46
- 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
Breakdown of Miscellaneous Weights:
N/A
Ships in Class:
-
Capitan Oyama (AC-4) - 1930
-
General O'Higgins (AC-5) - 1933