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Quoted
Project 81, Russian Light Cruiser laid down 1947
Displacement:
11,375 t light; 11,934 t standard; 14,249 t normal; 16,100 t full load
Dimensions: Length overall / water x beam x draught
683.32 ft / 672.57 ft x 72.18 ft x 20.34 ft (normal load)
208.28 m / 205.00 m x 22.00 m x 6.20 m
Armament:
12 - 5.98" / 152 mm guns (4x3 guns), 110.23lbs / 50.00kg shells, 1947 Model
Automatic rapid fire guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
12 - 3.94" / 100 mm guns (6x2 guns), 37.48lbs / 17.00kg shells, 1947 Model
Dual purpose guns in deck mounts with hoists
on side ends, evenly spread
32 - 1.46" / 37.0 mm guns (8x4 guns), 1.55lbs / 0.70kg shells, 1947 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 1,822 lbs / 826 kg
Shells per gun, main battery: 250
10 - 20.9" / 530 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.94" / 100 mm 437.17 ft / 133.25 m 10.20 ft / 3.11 m
Ends: Unarmoured
Main Belt covers 100 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 6.69" / 170 mm 3.94" / 100 mm 3.94" / 100 mm
2nd: 1.18" / 30 mm 0.39" / 10 mm 0.39" / 10 mm
3rd: 0.79" / 20 mm 0.39" / 10 mm -
- Armour deck: 1.97" / 50 mm, Conning tower: 5.91" / 150 mm
Machinery:
Oil fired boilers, steam turbines plus diesel motors,
Geared drive, 4 shafts, 96,049 shp / 71,652 Kw = 32.70 kts
Range 12,000nm at 18.00 kts
Bunker at max displacement = 4,167 tons
Complement:
651 - 847
Cost:
£6.807 million / $27.228 million
Distribution of weights at normal displacement:
Armament: 245 tons, 1.7 %
Armour: 2,533 tons, 17.8 %
- Belts: 736 tons, 5.2 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 492 tons, 3.5 %
- Armour Deck: 1,231 tons, 8.6 %
- Conning Tower: 75 tons, 0.5 %
Machinery: 2,373 tons, 16.7 %
Hull, fittings & equipment: 5,774 tons, 40.5 %
Fuel, ammunition & stores: 2,873 tons, 20.2 %
Miscellaneous weights: 450 tons, 3.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
26,931 lbs / 12,216 Kg = 251.3 x 6.0 " / 152 mm shells or 2.9 torpedoes
Stability (Unstable if below 1.00): 1.15
Metacentric height 4.0 ft / 1.2 m
Roll period: 15.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.33
Seaboat quality (Average = 1.00): 1.26
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.505
Length to Beam Ratio: 9.32 : 1
'Natural speed' for length: 29.74 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 56
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 29.53 ft / 9.00 m
- Forecastle (35 %): 27.07 ft / 8.25 m
- Mid (70 %): 24.61 ft / 7.50 m (16.40 ft / 5.00 m aft of break)
- Quarterdeck (15 %): 16.40 ft / 5.00 m
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 23.78 ft / 7.25 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 72.4 %
- Above water (accommodation/working, high = better): 195.6 %
Waterplane Area: 33,794 Square feet or 3,140 Square metres
Displacement factor (Displacement / loading): 147 %
Structure weight / hull surface area: 114 lbs/sq ft or 556 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.36
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
Breakdown of Miscellaneous Weights:
- Electronics: 90 tons
- Semi-automatic gun-loading equipment (152mm battery): 192 tons
- Automatic gun-loading equipment (100mm battery): 66 tons
- Reserved for crew comforts and future upgrades: 102 tons
Electronics Suite:
- NR-128M surface and air search radar (2 radars, 20 tons)
- NR-136 height-finding and air search radar (2 radars, 15 tons)
- NR-119bis navigational and air-warning radar (2 radars, 5 tons)
- NR-200 fire-control radar (2 radars, 20 tons)
- NR-170 AA fire-control radar (2 radars, 5 tons)
- Radar jammer/detector (2 units, 2 tons)
- French-built SAGEM HF/DF (3 tons)
- Diesel emergency electric generators (10 tons)
- Gunnery computer for 152mm guns (5 tons)
- Gunnery computer for 100mm guns (5 tons)
Ships in Class:
- Admiral Kornilov
- Admiral Creig
- Admiral Svietlana
- Admiral Deribas
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