Portugal , Iberia BB laid down 1914 (25% refit - 1926)
Portugal, scrapped 1942
Equador, scrapped 1943
Cuba, scrapped 1944
Panama, scrapped 1944
Displacement:
30,058 t light; 32,583 t standard; 34,074 t normal; 35,268 t full load
Dimensions: Length overall / water x beam x draught
649.61 ft / 649.61 ft x 104.99 ft x 26.90 ft (normal load)
198.00 m / 198.00 m x 32.00 m x 8.20 m
Armament:
12 - 13.78" / 350 mm guns (4x3 guns), 1,308.20lbs / 593.39kg shells, 1914 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
12 - 6.69" / 170 mm guns in single mounts, 149.90lbs / 68.00kg shells, 1914 Model
Breech loading guns in casemate mounts
on side, all amidships
12 guns in hull casemates - Limited use in heavy seas
12 - 3.94" / 100 mm guns (6x2 guns), 30.51lbs / 13.84kg shells, 1926 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
24 - 2.24" / 57.0 mm guns (12x2 guns), 5.65lbs / 2.56kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 8 raised mounts
36 - 0.79" / 20.0 mm guns (18x2 guns), 0.24lbs / 0.11kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 18,008 lbs / 8,168 kg
Shells per gun, main battery: 180
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.4" / 340 mm 426.51 ft / 130.00 m 13.12 ft / 4.00 m
Ends: 5.91" / 150 mm 219.82 ft / 67.00 m 13.12 ft / 4.00 m
3.28 ft / 1.00 m Unarmoured ends
Upper: 7.87" / 200 mm 426.51 ft / 130.00 m 9.84 ft / 3.00 m
Main Belt covers 101 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.4" / 340 mm 7.87" / 200 mm 11.8" / 300 mm
2nd: 7.87" / 200 mm 7.87" / 200 mm 11.8" / 300 mm
3rd: 1.97" / 50 mm 0.98" / 25 mm -
4th: 0.98" / 25 mm 0.98" / 25 mm -
5th: 0.98" / 25 mm 0.98" / 25 mm -
- Armour deck: 1.97" / 50 mm, Conning tower: 14.17" / 360 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 3 shafts, 45,353 shp / 33,833 Kw = 22.00 kts
Range 9,000nm at 10.00 kts
Bunker at max displacement = 2,684 tons
Complement:
1,253 - 1,630
Cost:
£4.057 million / $16.227 million
Distribution of weights at normal displacement:
Armament: 2,251 tons, 6.6 %
Armour: 11,477 tons, 33.7 %
- Belts: 5,379 tons, 15.8 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 3,874 tons, 11.4 %
- Armour Deck: 1,903 tons, 5.6 %
- Conning Tower: 321 tons, 0.9 %
Machinery: 1,747 tons, 5.1 %
Hull, fittings & equipment: 14,383 tons, 42.2 %
Fuel, ammunition & stores: 4,017 tons, 11.8 %
Miscellaneous weights: 200 tons, 0.6 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
50,985 lbs / 23,126 Kg = 39.0 x 13.8 " / 350 mm shells or 4.5 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 6.5 ft / 2.0 m
Roll period: 17.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.76
Seaboat quality (Average = 1.00): 1.53
Hull form characteristics:
Hull has raised forecastle, rise forward of midbreak
Block coefficient: 0.650
Length to Beam Ratio: 6.19 : 1
'Natural speed' for length: 25.49 kts
Power going to wave formation at top speed: 44 %
Trim (Max stability = 0, Max steadiness = 100): 46
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: 32.81 ft / 10.00 m
- Forecastle (20 %): 30.18 ft / 9.20 m (27.89 ft / 8.50 m aft of break)
- Mid (50 %): 27.89 ft / 8.50 m (18.04 ft / 5.50 m aft of break)
- Quarterdeck (15 %): 18.04 ft / 5.50 m
- Stern: 18.04 ft / 5.50 m
- Average freeboard: 23.64 ft / 7.20 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 69.8 %
- Above water (accommodation/working, high = better): 179.4 %
Waterplane Area: 52,245 Square feet or 4,854 Square metres
Displacement factor (Displacement / loading): 103 %
Structure weight / hull surface area: 205 lbs/sq ft or 1,002 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.62
- Overall: 1.02
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
This post has been edited 2 times, last edit by "Commodore Green" (Jan 14th 2010, 12:55am)