Dagupan, Philippine Light Cruiser laid down 1945
Displacement: 7,443 t light; 7,810 t standard; 8,580 t normal; 9,196 t full load
Dimensions: Length overall / water x beam x draught
570.57 ft / 557.74 ft x 57.41 ft x 17.55 ft (normal load) [173.91 m / 170.00 m x 17.50 m x 5.35 m]
Armament:
9 - 5.91" / 150 mm guns (3x3 guns), 102.98lbs / 46.71kg shells, 1944 Model Breech loading guns in turrets (on barbettes) on centreline ends, majority forward, 1 raised mount - superfiring
8 - 4.53" / 115 mm guns (4x2 guns), 46.40lbs / 21.05kg shells, 1944 Model Dual purpose guns in deck mounts with hoists on side, evenly spread
12 - 1.38" / 35.0 mm guns (6x2 guns), 1.31lbs / 0.59kg shells, 1944 Model Anti-aircraft guns in deck mounts on side, evenly spread, all raised mounts
Weight of broadside 1,314 lbs / 596 kg
Shells per gun, main battery: 250
8 - 24.0" / 610 mm above water torpedoes
Armour:
Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 360.89 ft / 110.00 m 9.02 ft / 2.75 m
Ends: Unarmoured
Main Belt covers 100 % of normal length
Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.15" / 80 mm 2.36" / 60 mm 3.94" / 100 mm
2nd: 0.98" / 25 mm 0.59" / 15 mm 0.98" / 25 mm
3rd: 0.39" / 10 mm - -
Armour deck: 1.57" / 40 mm, Conning tower: 3.15" / 80 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 78,821 shp / 58,800 Kw = 33.00 kts
Range 7,800nm at 15.00 kts
Bunker at max displacement = 1,386 tons
Complement: 445 - 579
Cost: £4.678 million / $18.713 million
Distribution of weights at normal displacement:
Armament: 164 tons, 1.9 %
Armour: 1,408 tons, 16.4 %
- Belts: 429 tons, 5.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 283 tons, 3.3 %
- Armour Deck: 668 tons, 7.8 %
- Conning Tower: 28 tons, 0.3 %
Machinery: 1,990 tons, 23.2 %
Hull, fittings & equipment: 3,631 tons, 42.3 %
Fuel, ammunition & stores: 1,137 tons, 13.3 %
Miscellaneous weights: 250 tons, 2.9 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship): 12,120 lbs / 5,497 Kg = 117.7 x 5.9 " / 150 mm shells or 1.6 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 2.6 ft / 0.8 m
Roll period: 15.0 seconds
Steadiness - As gun platform (Average = 50 %): 63 %
- Recoil effect (Restricted arc if above 1.00): 0.47
Seaboat quality (Average = 1.00): 1.13
Hull form characteristics:
Hull has a flush deck and transom stern
Block coefficient: 0.534
Length to Beam Ratio: 9.71: 1
'Natural speed' for length: 26.91 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 56
Bow angle (Positive = bow angles forward): 22.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 23.62 ft / 7.20 m
- Forecastle (49 %): 21.98 ft / 6.70 m
- Mid (50 %): 20.34 ft / 6.20 m
- Quarterdeck (15 %): 20.34 ft / 6.20 m
- Stern: 20.34 ft / 6.20 m
- Average freeboard: 21.47 ft / 6.55 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 94.7 %
- Above water (accommodation/working, high = better): 154.8 %
Waterplane Area: 22,919 Square feet or 2,129 Square metres
Displacement factor (Displacement / loading): 123 %
Structure weight / hull surface area: 97 lbs/sq ft or 475 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.80
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Breakdown of Miscellaneous Weight
Reserved for radar and electronics suite - 100 tons
Reserved for tropicalization - 100 tons
Reserved for future growth - 50 tons