- Replacements for old armoured cruisers scrapped because of CT
- New 203mm/53 weapon in triple turrets firing a 125.3kg shell at 900m/s
- 130mm/45 gun with 28kg shells as powerful secondary armament
- Normal AA fit of 37mm and 20mm guns
- Poweful 600mm torpedo armament
- Two catapults amidships with 1 aircraft each
- Armoured against 152mm guns and partially against 203mm weapons
- Fast and long ranged
- Uses historical Zara hull form homogenously enlarged by 1.07 IIRC
- Looks damn good
RM Zara, Italian Cruiser laid down 1927
Displacement:
12,881 t light; 13,442 t standard; 15,114 t normal; 16,452 t full load
Dimensions: Length overall / water x beam x draught
655.12 ft / 631.89 ft x 72.31 ft x 23.87 ft (normal load)
199.68 m / 192.60 m x 22.04 m x 7.28 m
Armament:
9 - 7.99" / 203 mm guns (3x3 guns), 276.24lbs / 125.30kg shells, 1927 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 5.12" / 130 mm guns (4x2 guns), 61.73lbs / 28.00kg shells, 1927 Model
Breech loading guns in deck mounts with hoists
on side, all forward
12 - 1.46" / 37.0 mm guns (3x4 guns), 1.55lbs / 0.70kg shells, 1927 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 1 raised mount
8 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1927 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 3,001 lbs / 1,361 kg
Shells per gun, main battery: 150
8 - 23.6" / 600 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5.91" / 150 mm 406.82 ft / 124.00 m 10.20 ft / 3.11 m
Ends: Unarmoured
Main Belt covers 99 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5.91" / 150 mm 2.76" / 70 mm 3.94" / 100 mm
2nd: 1.57" / 40 mm 1.18" / 30 mm -
3rd: 0.79" / 20 mm - -
- Armour deck: 1.97" / 50 mm, Conning tower: 5.91" / 150 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 118,000 shp / 88,028 Kw = 34.08 kts
Range 5,430nm at 20.00 kts
Bunker at max displacement = 3,009 tons
Complement:
681 - 886
Cost:
£4.625 million / $18.501 million
Distribution of weights at normal displacement:
Armament: 357 tons, 2.4 %
Armour: 2,729 tons, 18.1 %
- Belts: 1,033 tons, 6.8 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 481 tons, 3.2 %
- Armour Deck: 1,137 tons, 7.5 %
- Conning Tower: 78 tons, 0.5 %
Machinery: 3,725 tons, 24.6 %
Hull, fittings & equipment: 6,020 tons, 39.8 %
Fuel, ammunition & stores: 2,233 tons, 14.8 %
Miscellaneous weights: 50 tons, 0.3 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
18,493 lbs / 8,388 Kg = 72.5 x 8.0 " / 203 mm shells or 2.0 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 3.5 ft / 1.1 m
Roll period: 16.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.53
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.485
Length to Beam Ratio: 8.74 : 1
'Natural speed' for length: 29.05 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28.87 ft / 8.80 m
- Forecastle (18 %): 25.59 ft / 7.80 m
- Mid (64 %): 25.59 ft / 7.80 m (15.75 ft / 4.80 m aft of break)
- Quarterdeck (18 %): 15.75 ft / 4.80 m
- Stern: 15.75 ft / 4.80 m
- Average freeboard: 22.28 ft / 6.79 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 99.0 %
- Above water (accommodation/working, high = better): 168.8 %
Waterplane Area: 31,223 Square feet or 2,901 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 126 lbs/sq ft or 614 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.60
- 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