Independiente (ex-Minas Gerais), purchased in 1937 in a damaged state from Brazil, repaired and refitted in 1940 to enhance her AA capabilities. She has since been relegated to training duties when the newly repaired and rebuilt Simon Bolivar class Battle cruisers entered service.
Independiente (ex-Minas Gerais), Colombian (Ex-Brazilian) Battleship laid down 1907 (refitted 1940)
Displacement:
18,175 t light; 19,570 t standard; 20,875 t normal; 21,919 t full load
Dimensions: Length overall / water x beam x draught
533.00 ft / 533.00 ft x 83.00 ft x 24.65 ft (normal load)
162.46 m / 162.46 m x 25.30 m x 7.51 m
Armament:
8 - 12.01" / 305 mm guns (4x2 guns), 850.00lbs / 385.55kg shells, 1907 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 12.01" / 305 mm guns (2x2 guns), 850.00lbs / 385.55kg shells, 1907 Model
Breech loading guns in turrets (on barbettes)
on side, all amidships
22 - 4.72" / 120 mm guns in single mounts, 45.00lbs / 20.41kg shells, 1907 Model
Quick firing guns in casemate mounts
on side, evenly spread, 4 raised mounts
14 guns in hull casemates - Limited use in heavy seas
8 - 1.58" / 40.0 mm guns (4x2 guns), 1.95lbs / 0.88kg shells, 1940 Model
Anti-aircraft guns in deck mounts with hoists
on side ends, evenly spread, all raised mounts - superfiring
40 - 0.79" / 20.0 mm guns (16 mounts), 0.24lbs / 0.11kg shells, 1917 Model
Anti-aircraft guns in deck mounts
on side, all aft, 12 raised mounts - superfiring
Weight of broadside 11,215 lbs / 5,087 kg
Shells per gun, main battery: 150
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 9.00" / 229 mm 346.34 ft / 105.56 m 10.93 ft / 3.33 m
Ends: 6.00" / 152 mm 186.64 ft / 56.89 m 10.93 ft / 3.33 m
Upper: 9.00" / 229 mm 346.34 ft / 105.56 m 8.00 ft / 2.44 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead:
1.50" / 38 mm 346.34 ft / 105.56 m 23.80 ft / 7.25 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 9.00" / 229 mm 5.00" / 127 mm 9.00" / 229 mm
2nd: 9.00" / 229 mm 5.00" / 127 mm 9.00" / 229 mm
- Armour deck: 2.00" / 51 mm, Conning tower: 12.00" / 305 mm
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 24,538 shp / 18,305 Kw = 20.00 kts
Range 8,000nm at 10.00 kts
Bunker at max displacement = 2,350 tons
Complement:
867 - 1,128
Cost:
£2.047 million / $8.187 million
Distribution of weights at normal displacement:
Armament: 1,447 tons, 6.9 %
Armour: 6,957 tons, 33.3 %
- Belts: 3,046 tons, 14.6 %
- Torpedo bulkhead: 457 tons, 2.2 %
- Armament: 1,981 tons, 9.5 %
- Armour Deck: 1,277 tons, 6.1 %
- Conning Tower: 196 tons, 0.9 %
Machinery: 1,394 tons, 6.7 %
Hull, fittings & equipment: 8,326 tons, 39.9 %
Fuel, ammunition & stores: 2,700 tons, 12.9 %
Miscellaneous weights: 50 tons, 0.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
25,360 lbs / 11,503 Kg = 29.3 x 12.0 " / 305 mm shells or 4.2 torpedoes
Stability (Unstable if below 1.00): 1.05
Metacentric height 4.1 ft / 1.3 m
Roll period: 17.2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.90
Seaboat quality (Average = 1.00): 1.32
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.670
Length to Beam Ratio: 6.42 : 1
'Natural speed' for length: 23.09 kts
Power going to wave formation at top speed: 45 %
Trim (Max stability = 0, Max steadiness = 100): 53
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17.00 ft / 5.18 m
- Forecastle (18 %): 17.00 ft / 5.18 m
- Mid (50 %): 17.00 ft / 5.18 m
- Quarterdeck (18 %): 17.00 ft / 5.18 m
- Stern: 17.00 ft / 5.18 m
- Average freeboard: 17.00 ft / 5.18 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 100.0 %
- Above water (accommodation/working, high = better): 128.9 %
Waterplane Area: 34,514 Square feet or 3,206 Square metres
Displacement factor (Displacement / loading): 98 %
Structure weight / hull surface area: 178 lbs/sq ft or 870 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 1.44
- Overall: 1.04
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
Orriginal configuration:
Brazilian Minas Gerais-class Dreadnought laid down 1907
Displacement:
18,176 t light; 19,570 t standard; 20,875 t normal; 21,919 t full load
Dimensions: Length overall / water x beam x draught
533.00 ft / 533.00 ft x 83.00 ft x 24.65 ft (normal load)
162.46 m / 162.46 m x 25.30 m x 7.51 m
Armament:
8 - 12.01" / 305 mm guns (4x2 guns), 850.00lbs / 385.55kg shells, 1907 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 12.01" / 305 mm guns (2x2 guns), 850.00lbs / 385.55kg shells, 1907 Model
Breech loading guns in turrets (on barbettes)
on side, all amidships
18 - 4.72" / 120 mm guns in single mounts, 45.00lbs / 20.41kg shells, 1907 Model
Quick firing guns in casemate mounts
on side, evenly spread
14 guns in hull casemates - Limited use in heavy seas
4 - 4.72" / 120 mm guns in single mounts, 45.00lbs / 20.41kg shells, 1907 Model
Quick firing guns in deck mounts with hoists
on side ends, evenly spread, all raised mounts - superfiring
2 - 3.00" / 76.2 mm guns in single mounts, 13.00lbs / 5.90kg shells, 1917 Model
Anti-aircraft guns in deck mounts
on side, all aft, all raised mounts - superfiring
Weight of broadside 11,216 lbs / 5,087 kg
Shells per gun, main battery: 150
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 9.00" / 229 mm 346.34 ft / 105.56 m 10.93 ft / 3.33 m
Ends: 6.00" / 152 mm 186.64 ft / 56.89 m 10.93 ft / 3.33 m
Upper: 9.00" / 229 mm 346.34 ft / 105.56 m 8.00 ft / 2.44 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead:
1.50" / 38 mm 346.34 ft / 105.56 m 23.80 ft / 7.25 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 9.00" / 229 mm 5.00" / 127 mm 9.00" / 229 mm
2nd: 9.00" / 229 mm 5.00" / 127 mm 9.00" / 229 mm
3rd: 9.00" / 229 mm - -
4th: 1.50" / 38 mm - -
- Armour deck: 2.00" / 51 mm, Conning tower: 12.00" / 305 mm
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 24,538 shp / 18,305 Kw = 20.00 kts
Range 8,000nm at 10.00 kts (Bunkerage = 2,350 tons)
Complement:
867 - 1,128
Cost:
£2.047 million / $8.187 million
Distribution of weights at normal displacement:
Armament: 1,447 tons, 6.9 %
Armour: 7,399 tons, 35.4 %
- Belts: 3,046 tons, 14.6 %
- Torpedo bulkhead: 457 tons, 2.2 %
- Armament: 2,422 tons, 11.6 %
- Armour Deck: 1,277 tons, 6.1 %
- Conning Tower: 196 tons, 0.9 %
Machinery: 1,394 tons, 6.7 %
Hull, fittings & equipment: 7,886 tons, 37.8 %
Fuel, ammunition & stores: 2,699 tons, 12.9 %
Miscellaneous weights: 50 tons, 0.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
19,351 lbs / 8,777 Kg = 22.4 x 12.0 " / 305 mm shells or 2.9 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 4.2 ft / 1.3 m
Roll period: 17.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.84
Seaboat quality (Average = 1.00): 1.33
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.670
Length to Beam Ratio: 6.42 : 1
'Natural speed' for length: 23.09 kts
Power going to wave formation at top speed: 45 %
Trim (Max stability = 0, Max steadiness = 100): 53
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17.00 ft / 5.18 m
- Forecastle (18 %): 17.00 ft / 5.18 m
- Mid (50 %): 17.00 ft / 5.18 m
- Quarterdeck (18 %): 17.00 ft / 5.18 m
- Stern: 17.00 ft / 5.18 m
- Average freeboard: 17.00 ft / 5.18 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 100.0 %
- Above water (accommodation/working, high = better): 128.9 %
Waterplane Area: 34,514 Square feet or 3,206 Square metres
Displacement factor (Displacement / loading): 96 %
Structure weight / hull surface area: 169 lbs/sq ft or 824 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.36
- 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