Kureimoa, Japan DDL/CL laid down 1936
Displacement:
2,830 t light; 2,998 t standard; 3,469 t normal; 3,846 t full load
Dimensions: Length overall / water x beam x draught
488.51 ft / 472.50 ft x 44.00 ft x 14.60 ft (normal load)
148.90 m / 144.02 m x 13.41 m x 4.45 m
Armament:
8 - 5.00" / 127 mm guns (4x2 guns), 55.12lbs / 25.00kg shells, 1935 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 1.97" / 50.0 mm guns (4x2 guns), 4.00lbs / 1.81kg shells, 1934 Model
Anti-aircraft guns in deck mounts
on side, all amidships
12 - 0.98" / 25.0 mm guns (4x3 guns), 0.57lbs / 0.26kg shells, 1934 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
16 - 0.52" / 13.2 mm guns (4x4 guns), 0.09lbs / 0.04kg shells, 1930 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 481 lbs / 218 kg
Shells per gun, main battery: 350
15 - 24.0" / 609.6 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 1.00" / 25 mm 2.00" / 51 mm
2nd: 1.00" / 25 mm 1.00" / 25 mm -
3rd: 1.00" / 25 mm 1.00" / 25 mm -
4th: 0.50" / 13 mm 0.50" / 13 mm -
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 52,605 shp / 39,244 Kw = 34.50 kts
Range 7,700nm at 15.00 kts
Bunker at max displacement = 848 tons
Complement:
225 - 293
Cost:
£1.920 million / $7.679 million
Distribution of weights at normal displacement:
Armament: 80 tons, 2.3%
Armour: 62 tons, 1.8%
- Belts: 0 tons, 0.0%
- Torpedo bulkhead: 0 tons, 0.0%
- Armament: 62 tons, 1.8%
- Armour Deck: 0 tons, 0.0%
- Conning Tower: 0 tons, 0.0%
Machinery: 1,415 tons, 40.8%
Hull, fittings & equipment: 943 tons, 27.2%
Fuel, ammunition & stores: 639 tons, 18.4%
Miscellaneous weights: 330 tons, 9.5%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,054 lbs / 478 Kg = 16.9 x 5.0 " / 127 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 1.8 ft / 0.5 m
Roll period: 13.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.42
Seaboat quality (Average = 1.00): 1.07
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 10.74 : 1
'Natural speed' for length: 25.00 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 65
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 1.00 ft / 0.30 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26.00 ft / 7.92 m
- Forecastle (20%): 19.25 ft / 5.87 m
- Mid (60%): 19.25 ft / 5.87 m (11.25 ft / 3.43 m aft of break)
- Quarterdeck (15%): 11.25 ft / 3.43 m
- Stern: 11.25 ft / 3.43 m
- Average freeboard: 16.59 ft / 5.06 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 161.1%
- Above water (accommodation/working, high = better): 63.8%
Waterplane Area: 13,281 Square feet or 1,234 Square metres
Displacement factor (Displacement / loading): 87%
Structure weight / hull surface area: 41 lbs/sq ft or 202 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.01
- Overall: 0.54
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Miscellaneous weights breakdown:
138 tons - FCS (including Tomoe Tele Raypointer = 15 tons, Sonar = 8 tons and fire control center = 20 tons)
120 tons - Improved weapon operating systems (loading, elevation and train control)
42 tons -- 15 24" torpedoes (at 2.75 tons/torpedo)
4 tons --- 2x Depth Charge Racks (for 6-16 100 kg, 4-12 160 kg or 3-8 300 kg depth charges).
15 tons -- Depth Charges (100 kg, 160 kg and/or 300 kg)
6 tons --- 6x Depth Charge Projector
5 tons -- 30 Depth Charges (160 kg) for the DCPs.