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Admiral Nakhimov class, Russian Light Cruisers laid down 1926
Displacement:
7,588 t light; 7,951 t standard; 9,301 t normal; 10,381 t full load
Dimensions: Length overall / water x beam
x draught
606.40 ft / 601.05 ft x 55.12 ft x 21.00 ft (normal load)
184.83 m / 183.20 m x 16.80 m x 6.40 m
Armament:
12 - 5.98" / 152 mm guns (4x3 guns), 125.66lbs / 57.00kg shells, 1926 Model
Breech loading 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, 1926 Model
Dual purpose guns in deck mounts
on side, evenly spread
24 - 1.46" / 37.0 mm guns (8x3 guns),
1.55lbs / 0.70kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside
1,995 lbs / 905 kg
Shells per gun, main battery: 150
12 - 20.9" / 530 mm above water torpedoes
Armour:
-
Belts: Width (max) Length (avg) Height (avg)
Main: 2.95" / 75 mm 410.79 ft / 125.21 m 9.19 ft / 2.80 m
Ends: Unarmoured
Main Belt covers 105 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main:
2.95" / 75 mm 0.98" / 25 mm 1.97" / 50 mm
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm - -
- Armour
deck: 0.98" / 25 mm, Conning tower: 2.95" / 75 mm
Aviation:
2 Seaplanes, 1 Catapult
Machinery:
Oil
fired boilers, steam turbines,
Geared drive, 4 shafts, 77,351 shp / 57,704 Kw = 33.00 kts
Range 11,030nm at 15.00
kts (Bunkerage = 2,430 tons)
Complement:
473 - 615
Cost:
£2.728 million / $10.910 million
Distribution
of weights at normal displacement:
Armament: 211 tons, 2.3 %
Armour: 1,091 tons, 11.7 %
- Belts: 456 tons, 4.9
%
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 201 tons, 2.2 %
- Armour Deck: 406 tons, 4.4 %
- Conning Tower:
28 tons, 0.3 %
Machinery: 2,476 tons, 26.6 %
Hull, fittings & equipment: 3,759 tons, 40.4 %
Fuel, ammunition
& stores: 1,714 tons, 18.4 %
Miscellaneous weights: 50 tons, 0.5 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
10,242 lbs / 4,645 Kg = 95.6 x 6.0 " / 152 mm shells
or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 2.7 ft / 0.8 m
Roll period: 14.1
seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.69
Seaboat
quality (Average = 1.00): 1.20
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.468
Length to Beam Ratio: 10.90 : 1
'Natural speed' for length: 27.90 kts
Power going
to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow
angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage
of overall length):
- Stem: 30.35 ft / 9.25 m
- Forecastle (20 %): 22.80 ft / 6.95 m
- Mid (50 %): 21.98 ft /
6.70 m (15.42 ft / 4.70 m aft of break)
- Quarterdeck (15 %): 15.42 ft / 4.70 m
- Stern: 15.42 ft / 4.70 m
- Average
freeboard: 19.59 ft / 5.97 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low
= better): 105.1 %
- Above water (accommodation/working, high = better): 126.1 %
Waterplane Area: 22,294 Square feet
or 2,071 Square metres
Displacement factor (Displacement / loading): 120 %
Structure weight / hull surface area: 100
lbs/sq ft or 487 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.52
- 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
Good seaboat, rides out heavy weather easily
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