Image by thesmilingassassin and modified by Brockpaine.
Danube, Bulgarian Light Cruiser laid down 1935
(As simmed by Hrolf Hakonson)
Displacement:
6,943 t light; 7,223 t standard; 7,873 t normal; 8,393 t full load
Dimensions: Length overall / water x beam x draught
565.43 ft / 557.74 ft x 59.06 ft x 16.73 ft (normal load)
172.34 m / 170.00 m x 18.00 m x 5.10 m
Armament:
9 - 5.91" / 150 mm guns (3x3 guns), 102.98lbs / 46.71kg shells, 1928 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
2 - 3.46" / 88.0 mm guns (1x2 guns), 20.79lbs / 9.43kg shells, 1930 Model
Dual purpose guns in deck mount
on centreline aft, all raised guns - superfiring
8 - 3.46" / 88.0 mm guns (4x2 guns), 20.79lbs / 9.43kg shells, 1930 Model
Dual purpose guns in deck mounts
on side, evenly spread
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1930 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1930 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 1,149 lbs / 521 kg
Shells per gun, main battery: 180
16 - 21.0" / 533 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.94" / 100 mm 356.96 ft / 108.80 m 9.22 ft / 2.81 m
Ends: Unarmoured
Main Belt covers 98 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.72" / 120 mm 2.76" / 70 mm 3.94" / 100 mm
2nd: 1.57" / 40 mm 0.79" / 20 mm -
3rd: 1.57" / 40 mm 0.79" / 20 mm -
4th: 0.79" / 20 mm 0.39" / 10 mm -
5th: 0.39" / 10 mm - -
- Armour deck: 1.57" / 40 mm, Conning tower: 3.94" / 100 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 65,091 shp / 48,558 Kw = 32.00 kts
Range 6,000nm at 15.00 kts
Bunker at max displacement = 1,170 tons
Complement:
417 - 543
Cost:
£2.676 million / $10.702 million
Distribution of weights at normal displacement:
Armament: 144 tons, 1.8 %
Armour: 1,521 tons, 19.3 %
- Belts: 543 tons, 6.9 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 279 tons, 3.5 %
- Armour Deck: 665 tons, 8.4 %
- Conning Tower: 34 tons, 0.4 %
Machinery: 1,972 tons, 25.1 %
Hull, fittings & equipment: 3,196 tons, 40.6 %
Fuel, ammunition & stores: 930 tons, 11.8 %
Miscellaneous weights: 110 tons, 1.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
10,902 lbs / 4,945 Kg = 105.9 x 5.9 " / 150 mm shells or 1.5 torpedoes
Stability (Unstable if below 1.00): 1.25
Metacentric height 3.4 ft / 1.0 m
Roll period: 13.4 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.25
Seaboat quality (Average = 1.00): 1.00
Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0.500
Length to Beam Ratio: 9.44 : 1
'Natural speed' for length: 27.07 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28.71 ft / 8.75 m
- Forecastle (21 %): 21.33 ft / 6.50 m (17.22 ft / 5.25 m aft of break)
- Mid (60 %): 17.22 ft / 5.25 m
- Quarterdeck (15 %): 17.22 ft / 5.25 m
- Stern: 17.22 ft / 5.25 m
- Average freeboard: 18.71 ft / 5.70 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 97.6 %
- Above water (accommodation/working, high = better): 119.5 %
Waterplane Area: 22,822 Square feet or 2,120 Square metres
Displacement factor (Displacement / loading): 117 %
Structure weight / hull surface area: 94 lbs/sq ft or 460 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.25
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Breakdown of Miscellaneous Weights:
- 30 tons for catapult
- 50 tons for aircraft
- 30 tons reserved for future growth
Ships in Class:
-
Danube (K-1 / CL-1)
-
Maritsa (K-2 / CL-2)