Rework the 13700t Extra Heavy Cruiser with beam increasse from 21.6m to 22.15m, 6T2x120 side distribued & I add 2M4x37 AA centreline superfiring on the T3x305
Peru Extra Heavy Cruiser laid down 1946
Displacement:
13 700 t light; 14 390 t standard; 16 071 t normal; 17 416 t full load
Dimensions: Length overall / water x beam x draught
655.79 ft / 639.76 ft x 72.67 ft x 22.97 ft (normal load)
199.88 m / 195.00 m x 22.15 m x 7.00 m
Armament:
6 - 12.01" / 305 mm guns (2x3 guns), 865.70lbs / 392.67kg shells, 1946 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
12 - 4.72" / 120 mm guns (6x2 guns), 52.72lbs / 23.91kg shells, 1946 Model
Dual purpose guns in deck mounts
on side, evenly spread
8 - 1.46" / 37.0 mm guns (2x4 guns), 1.55lbs / 0.70kg shells, 1946 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, all raised mounts - superfiring
16 - 1.46" / 37.0 mm guns (4x4 guns), 1.55lbs / 0.70kg shells, 1946 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
16 - 0.98" / 25.0 mm guns (4x4 guns), 0.48lbs / 0.22kg shells, 1946 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 5 872 lbs / 2 663 kg
Shells per gun, main battery: 110
8 - 23.6" / 600 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5.91" / 150 mm 387.14 ft / 118.00 m 9.84 ft / 3.00 m
Ends: 1.42" / 36 mm 131.23 ft / 40.00 m 7.87 ft / 2.40 m
121.39 ft / 37.00 m Unarmoured ends
Main Belt covers 93 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 9.06" / 230 mm 3.94" / 100 mm 7.87" / 200 mm
2nd: 1.97" / 50 mm 1.18" / 30 mm -
3rd: 0.50" / 13 mm - -
4th: 0.50" / 13 mm - -
- Armour deck: 2.76" / 70 mm, Conning tower: 7.87" / 200 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 97 490 shp / 72 728 Kw = 32.00 kts
Range 12 000nm at 15.00 kts
Bunker at max displacement = 3 025 tons
Complement:
713 - 927
Cost:
£10.189 million / $40.755 million
Distribution of weights at normal displacement:
Armament: 734 tons, 4.6 %
Armour: 3 631 tons, 22.6 %
- Belts: 1 015 tons, 6.3 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 824 tons, 5.1 %
- Armour Deck: 1 684 tons, 10.5 %
- Conning Tower: 108 tons, 0.7 %
Machinery: 2 435 tons, 15.2 %
Hull, fittings & equipment: 6 830 tons, 42.5 %
Fuel, ammunition & stores: 2 371 tons, 14.8 %
Miscellaneous weights: 70 tons, 0.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
22 359 lbs / 10 142 Kg = 25.8 x 12.0 " / 305 mm shells or 2.4 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 4.2 ft / 1.3 m
Roll period: 14.9 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.62
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.527
Length to Beam Ratio: 8.80 : 1
'Natural speed' for length: 29.07 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26.00 ft / 7.92 m
- Forecastle (20 %): 22.50 ft / 6.86 m
- Mid (50 %): 19.25 ft / 5.87 m
- Quarterdeck (18 %): 19.25 ft / 5.87 m
- Stern: 19.69 ft / 6.00 m
- Average freeboard: 20.71 ft / 6.31 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.5 %
- Above water (accommodation/working, high = better): 150.3 %
Waterplane Area: 33 038 Square feet or 3 069 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 140 lbs/sq ft or 685 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.45
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent