Covadonga Design A2, Chilean Scout Cruiser laid down 1937
Displacement:
4,157 t light; 4,321 t standard; 5,000 t normal; 5,543 t full load
Dimensions: Length overall / water x beam x draught
510.12 ft / 492.13 ft x 45.93 ft x 18.04 ft (normal load)
155.48 m / 150.00 m x 14.00 m x 5.50 m
Armament:
8 - 5.12" / 130 mm guns (4x2 guns), 67.03lbs / 30.40kg shells, 1937 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
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
12 - 1.46" / 37.0 mm guns (6x2 guns), 1.55lbs / 0.70kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 563 lbs / 255 kg
Shells per gun, main battery: 200
12 - 23.6" / 600 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.57" / 40 mm 426.51 ft / 130.00 m 8.20 ft / 2.50 m
Ends: Unarmoured
Main Belt covers 133 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.36" / 60 mm 1.38" / 35 mm 2.36" / 60 mm
2nd: 0.59" / 15 mm - -
3rd: 0.59" / 15 mm - -
- Armour deck: 0.79" / 20 mm, Conning tower: 3.15" / 80 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 62,525 shp / 46,643 Kw = 34.00 kts
Range 9,000nm at 15.00 kts
Bunker at max displacement = 1,221 tons
Complement:
296 - 386
Cost:
£2.439 million / $9.757 million
Distribution of weights at normal displacement:
Armament: 70 tons, 1.4 %
Armour: 506 tons, 10.1 %
- Belts: 218 tons, 4.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 53 tons, 1.1 %
- Armour Deck: 215 tons, 4.3 %
- Conning Tower: 20 tons, 0.4 %
Machinery: 1,733 tons, 34.7 %
Hull, fittings & equipment: 1,773 tons, 35.5 %
Fuel, ammunition & stores: 843 tons, 16.9 %
Miscellaneous weights: 75 tons, 1.5 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
3,536 lbs / 1,604 Kg = 52.7 x 5.1 " / 130 mm shells or 0.8 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 2.2 ft / 0.7 m
Roll period: 13.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.43
Seaboat quality (Average = 1.00): 1.35
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.429
Length to Beam Ratio: 10.71 : 1
'Natural speed' for length: 25.41 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 52
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: 31.17 ft / 9.50 m
- Forecastle (20 %): 22.97 ft / 7.00 m
- Mid (50 %): 22.97 ft / 7.00 m (14.76 ft / 4.50 m aft of break)
- Quarterdeck (15 %): 14.76 ft / 4.50 m
- Stern: 14.76 ft / 4.50 m
- Average freeboard: 19.52 ft / 5.95 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 125.3 %
- Above water (accommodation/working, high = better): 94.4 %
Waterplane Area: 14,728 Square feet or 1,368 Square metres
Displacement factor (Displacement / loading): 108 %
Structure weight / hull surface area: 62 lbs/sq ft or 303 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.71
- Longitudinal: 2.13
- Overall: 0.79
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
Breakdown of weights:
- Torpedo reloads: 35 tons (twelve torpedoes)
- Air search radar - 20 tons
- Surface search radar - 20 tons