Voici un croiseur d'escadre destiné à soutenir les cuirassés dans la bataille en ligne.
Longueur limité à 120m.
7000T cruiser, Peru Squadron Cruiser laid down 1918 (Engine 1916)
Displacement:
7 000 t light; 7 464 t standard; 8 074 t normal; 8 561 t full load
Dimensions: Length overall / water x beam x draught
393.70 ft / 393.70 ft x 65.62 ft x 21.88 ft (normal load)
120.00 m / 120.00 m x 20.00 m x 6.67 m
Armament:
6 - 10.83" / 275 mm guns (2x3 guns), 661.39lbs / 300.00kg shells, 1918 Model
Breech loading guns in turrets (on barbettes)
on centreline, evenly spread
8 - 4.72" / 120 mm guns in single mounts, 52.72lbs / 23.91kg shells, 1918 Model
Quick firing guns in casemate mounts
on side, evenly spread, 4 raised mounts
2 - 4.72" / 120 mm guns in single mounts, 52.72lbs / 23.91kg shells, 1918 Model
Quick firing guns in casemate mounts
on centreline ends, evenly spread
4 - 1.57" / 40.0 mm guns in single mounts, 1.95lbs / 0.88kg shells, 1918 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1918 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 4 504 lbs / 2 043 kg
Shells per gun, main battery: 118
6 - 21.0" / 533 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5.91" / 150 mm 255.91 ft / 78.00 m 11.81 ft / 3.60 m
Ends: 1.57" / 40 mm 131.23 ft / 40.00 m 8.01 ft / 2.44 m
6.56 ft / 2.00 m Unarmoured ends
Main Belt covers 100 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 6.30" / 160 mm 3.94" / 100 mm 5.91" / 150 mm
2nd: 0.79" / 20 mm - -
3rd: 0.79" / 20 mm - -
4th: 0.50" / 13 mm - -
- Armour deck: 1.77" / 45 mm, Conning tower: 5.91" / 150 mm
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 4 shafts, 22 000 shp / 16 412 Kw = 22.35 kts
Range 7 000nm at 12.00 kts
Bunker at max displacement = 1 097 tons
Complement:
425 - 553
Cost:
£1.631 million / $6.526 million
Distribution of weights at normal displacement:
Armament: 543 tons, 6.7 %
Armour: 1 930 tons, 23.9 %
- Belts: 841 tons, 10.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 474 tons, 5.9 %
- Armour Deck: 564 tons, 7.0 %
- Conning Tower: 51 tons, 0.6 %
Machinery: 820 tons, 10.2 %
Hull, fittings & equipment: 3 407 tons, 42.2 %
Fuel, ammunition & stores: 1 074 tons, 13.3 %
Miscellaneous weights: 300 tons, 3.7 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
9 063 lbs / 4 111 Kg = 14.3 x 10.8 " / 275 mm shells or 1.7 torpedoes
Stability (Unstable if below 1.00): 1.04
Metacentric height 2.8 ft / 0.9 m
Roll period: 16.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.83
Seaboat quality (Average = 1.00): 1.20
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.500
Length to Beam Ratio: 6.00 : 1
'Natural speed' for length: 19.84 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 58
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: 21.98 ft / 6.70 m
- Forecastle (23 %): 18.04 ft / 5.50 m
- Mid (50 %): 14.76 ft / 4.50 m
- Quarterdeck (21 %): 14.76 ft / 4.50 m
- Stern: 14.76 ft / 4.50 m
- Average freeboard: 16.31 ft / 4.97 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 88.3 %
- Above water (accommodation/working, high = better): 100.8 %
Waterplane Area: 17 212 Square feet or 1 599 Square metres
Displacement factor (Displacement / loading): 98 %
Structure weight / hull surface area: 132 lbs/sq ft or 647 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 2.75
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
Accueil 
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