Lisbon Class Carrier
A class of carriers to replace the old La Manchas in service. Lisbon will be followed by at least one sister in 1946.
Lisbon, laid down 1945
Cadiz, laid down 1946
Enter ship name, Enter country Enter ship type laid down 1945
Displacement:
36,087 t light; 37,178 t standard; 39,745 t normal; 41,798 t full load
Dimensions: Length overall / water x beam x draught
921.68 ft / 885.83 ft x 104.99 ft x 29.86 ft (normal load)
280.93 m / 270.00 m x 32.00 m x 9.10 m
Armament:
16 - 5.12" / 130 mm guns (8x2 guns), 67.03lbs / 30.41kg shells, 1945 Model
Dual purpose guns in turrets (on barbettes)
on side, evenly spread, 2 raised mounts
28 - 2.24" / 57.0 mm guns (14x2 guns), 5.65lbs / 2.56kg shells, 1945 Model
Anti-aircraft guns in deck mounts
on side, all amidships
36 - 0.98" / 25.0 mm guns (9x4 guns), 0.48lbs / 0.22kg shells, 1945 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 1,248 lbs / 566 kg
Shells per gun, main battery: 400
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.94" / 100 mm 575.79 ft / 175.50 m 16.40 ft / 5.00 m
Ends: Unarmoured
Upper: 1.97" / 50 mm 623.36 ft / 190.00 m 19.69 ft / 6.00 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead:
1.97" / 50 mm 575.79 ft / 175.50 m 26.31 ft / 8.02 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.95" / 75 mm 1.97" / 50 mm 1.97" / 50 mm
2nd: 0.79" / 20 mm 0.79" / 20 mm -
3rd: 0.79" / 20 mm - -
- Armour deck: 3.94" / 100 mm, Conning tower: 3.94" / 100 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 171,582 shp / 128,000 Kw = 32.99 kts
Range 10,000nm at 15.00 kts
Bunker at max displacement = 4,619 tons
Complement:
1,406 - 1,829
Cost:
£13.823 million / $55.291 million
Distribution of weights at normal displacement:
Armament: 156 tons, 0.4 %
Armour: 8,934 tons, 22.5 %
- Belts: 2,578 tons, 6.5 %
- Torpedo bulkhead: 1,103 tons, 2.8 %
- Armament: 456 tons, 1.1 %
- Armour Deck: 4,698 tons, 11.8 %
- Conning Tower: 99 tons, 0.2 %
Machinery: 4,333 tons, 10.9 %
Hull, fittings & equipment: 14,751 tons, 37.1 %
Fuel, ammunition & stores: 3,658 tons, 9.2 %
Miscellaneous weights: 7,913 tons, 19.9 %
-6,724 t: Air group of 82 a/c
-200 t: Eight disassembled spares
-200 t: Electronics, fire control, comms
-200 t: CIC
-200 t: Flight operations facilities
-200 t: Enhanced damage control equipment
-189 t: Weight reserve
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
97,187 lbs / 44,083 Kg = 1,449.8 x 5.1 " / 130 mm shells or 14.0 torpedoes
Stability (Unstable if below 1.00): 1.15
Metacentric height 7.0 ft / 2.1 m
Roll period: 16.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.08
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.501
Length to Beam Ratio: 8.44 : 1
'Natural speed' for length: 34.43 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 13.12 ft / 4.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 39.37 ft / 12.00 m
- Forecastle (20 %): 39.37 ft / 12.00 m
- Mid (50 %): 39.37 ft / 12.00 m
- Quarterdeck (15 %): 39.37 ft / 12.00 m
- Stern: 39.37 ft / 12.00 m
- Average freeboard: 39.37 ft / 12.00 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76.1 %
- Above water (accommodation/working, high = better): 344.0 %
Waterplane Area: 64,497 Square feet or 5,992 Square metres
Displacement factor (Displacement / loading): 149 %
Structure weight / hull surface area: 141 lbs/sq ft or 688 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.91
- Longitudinal: 2.16
- Overall: 1.00
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