WesWorld

Russian light cruisers fill a number of fleet scouting, flotilla flagship, and escort roles.

Diana, Aurora, Bogatyr, Oleg, Kagul, Ochakov

After reconstruction:
Pallada Class Russian Light Cruiser laid down 1897 (Engine 1930)

Displacement:
5,701 t light; 5,995 t standard; 6,759 t normal; 7,370 t full load

Dimensions: Length overall / water x beam x draught
478.42 ft / 465.88 ft x 55.12 ft x 17.72 ft (normal load)
145.82 m / 142.00 m x 16.80 m x 5.40 m

Armament:
8 - 5.98" / 152 mm guns (4x2 guns), 123.46lbs / 56.00kg shells, 1930 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 3.94" / 100 mm guns (4x2 guns), 37.48lbs / 17.00kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
24 - 1.46" / 37.0 mm guns (6x4 guns), 1.55lbs / 0.70kg shells, 1930 Model
Anti-aircraft guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1930 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 1,325 lbs / 601 kg
Shells per gun, main battery: 200
6 - 25.6" / 650 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 316.44 ft / 96.45 m 9.84 ft / 3.00 m
Ends: 1.18" / 30 mm 142.88 ft / 43.55 m 6.56 ft / 2.00 m
6.56 ft / 2.00 m Unarmoured ends
Upper: 1.97" / 50 mm 316.44 ft / 96.45 m 6.56 ft / 2.00 m
Main Belt covers 104 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.15" / 80 mm 1.97" / 50 mm 2.76" / 70 mm
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -
4th: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 0.98" / 25 mm, Conning tower: 3.15" / 80 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 58,645 shp / 43,749 Kw = 30.00 kts
Range 7,500nm at 15.00 kts
Bunker at max displacement = 1,376 tons

Complement:
372 - 484

Cost:
£0.568 million / $2.272 million

Distribution of weights at normal displacement:
Armament: 142 tons, 2.1 %
Armour: 1,192 tons, 17.6 %
- Belts: 624 tons, 9.2 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 226 tons, 3.4 %
- Armour Deck: 317 tons, 4.7 %
- Conning Tower: 24 tons, 0.4 %
Machinery: 1,777 tons, 26.3 %
Hull, fittings & equipment: 2,489 tons, 36.8 %
Fuel, ammunition & stores: 1,058 tons, 15.7 %
Miscellaneous weights: 100 tons, 1.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,519 lbs / 2,957 Kg = 60.8 x 6.0 " / 152 mm shells or 1.2 torpedoes
Stability (Unstable if below 1.00): 1.04
Metacentric height 2.2 ft / 0.7 m
Roll period: 15.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.59
Seaboat quality (Average = 1.00): 1.05

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.520
Length to Beam Ratio: 8.45 : 1
'Natural speed' for length: 21.58 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 67
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: 34.45 ft / 10.50 m
- Forecastle (20 %): 24.61 ft / 7.50 m
- Mid (40 %): 16.40 ft / 5.00 m
- Quarterdeck (15 %): 16.40 ft / 5.00 m
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 19.65 ft / 5.99 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 104.4 %
- Above water (accommodation/working, high = better): 119.9 %
Waterplane Area: 17,426 Square feet or 1,619 Square metres
Displacement factor (Displacement / loading): 113 %
Structure weight / hull surface area: 87 lbs/sq ft or 423 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.83
- Longitudinal: 1.80
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform

100 tons mines


Original characteristics:
Palladia Class Protected Cruiser, laid down 1897
Length, 123.7 m x Beam, 16.8 m x Depth, 6.4 m
6973 tonnes normal displacement (6208 tonnes standard)
Main battery: 14 x 15.0-cm
Light battery: 4 x 1.3-cm
Weight of broadside: 655 kg
3 TT, 45.0 cm in one triple mount
150 tons mines
Main belt, 8.0 cm; bow and stern, 3.0 cm
Upper belt, 5.0 cm
Armor deck, average 2.0 cm
Conning tower, 10.0 cm
Battery armor:
Main, 5.0 cm shields

Maximum speed for 11406 indicated kw = 21.00 knots
Approximate cruising radius, 2500 nm / 15 knots
Typical complement: 382-496

Estimated cost, $2.841 million (£710,000)
Remarks:
Relative extent of belt armor, 140 percent of 'typical' coverage.
Ship has slow, easy roll; a good, steady gun platform.
Good seaboat; rides out heavy weather easily.
Magazines and engineering spaces are cramped, with poor
watertight subdivision.
Cramped ship; poor crew accommodation, limited working space.

Distribution of weights:
Percent
normal
displacement:
Armament ......................... 180 tonnes = 3 pct
Armor, total ..................... 1057 tonnes = 15 pct
Belt 763 tonnes = 11 pct
Deck 210 tonnes = 3 pct
C.T. 31 tonnes = 0 pct
Armament 53 tonnes = 1 pct
Machinery ........................ 2506 tonnes = 36 pct
Hull and fittings; equipment ..... 2055 tonnes = 29 pct
Fuel, ammunition, stores ......... 1025 tonnes = 15 pct
Miscellaneous weights ............ 150 tonnes = 2 pct
-----
6973 tonnes = 100 pct
Estimated metacentric height, 1.1 m
Displacement summary:
Light ship: 5948 tonnes
Standard displacement: 6208 tonnes
Normal service: 6973 tonnes
Full load: 7557 tonnes
Loading submergence 1352 tonnes/metre
+++++++++++++++++++++++++

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.38
Shellfire needed to sink: 1725 kg = 36.8 x 15.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)
Torpedoes needed to sink: 0.8
(Approximates number of 'typical'
torpedo hits needed to sink ship)
Relative steadiness as gun platform, 70 percent
(50 percent is 'average')
Relative rocking effect from firing to beam, 0.16
Relative quality as a seaboat: 1.38
+++++++++++++++++++++++++

Hull form characteristics:
Block coefficient: 0.52
Sharpness coefficient: 0.37
Hull speed coefficient 'M' = 6.49
'Natural speed' for length = 20.1 knots
Power going to wave formation
at top speed: 49 percent

Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 139 percent
Relative accommodation and working space: 88 percent

Displacement factor: 91 percent
(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.97
(Structure weight per square
metre of hull surface: 441 kg)
Relative longitudinal hull strength: 1.55
(for 4.00 m average freeboard;
freeboard adjustment -0.30 m)
Relative composite hull strength: 1.02
+++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]
405.74 x 55.10 x 20.99; 13.12 -- Dimensions
0.52 -- Block coefficient
1897 -- Year laid down
21.00 / 2500 / 15.00; Reciprocating -- Speed / radius / cruise
150 tons -- Miscellaneous weights
++++++++++
14 x 5.91; 0 -- Main battery; turrets
Central positioning of guns
Gun-shields
:
0 -- No secondary battery
0 -- No tertiary (QF/AA) battery
4 x 0.51 -- Fourth (light) battery
3 / 0 / 17.72 -- TT / submerged / size
++++++++++
3.15 / 1.18 / 1.97 / 0.00; 140 -- Belt armor; relative extent
0.79 / 3.94 -- Deck / CT
1.97 / 0.00 / 0.00 / 0.00 -- Battery armor

(Note: For portability, values are stored in Anglo-American units)

+++++++++++++++++++++++++++++++++++++++++++++++++++++++

Admiral Lazarev, Admiral Makhimov, Admiral Kornilov, Admiral Istonin, Admiral Bakatov, Admiral Spiridov, Admiral Creig, Admiral Svietlana


Admiral Lazarev class light cruisers, laid down 1914
Length, 163.2 m x Beam, 15.7 m x Depth, 6.2 m
8491 tonnes normal displacement (7540 tonnes standard)
Main battery: 4 x 15.0-cm (2 x 2)
Secondary battery: 8 x 15.0-cm
AA battery: 6 x 4.5-cm (6 x 1)
Light battery: 6 x 1.3-cm (3 x 2)
Weight of broadside: 571 kg
12 TT, 53.0 cm
Main belt, 9.0 cm; bow and stern, 3.0 cm
Upper belt, 5.0 cm
Armor deck, average 2.5 cm
Conning tower, 10.0 cm
Battery armor:
Main, 7.5 cm / secondary, 7.5 cm
AA, 2.5 cm shields
Maximum speed for 52695 shaft kw = 31.00 knots
Approximate cruising radius, 5800 nm / 15 knots
Typical complement: 442-575

Estimated cost, $3.904 million (£976,000)
Remarks:
Oil firing.
Relative extent of belt armor, 119 percent of 'typical' coverage.
Ship has slow, easy roll; a good, steady gun platform.
Good seaboat; rides out heavy weather easily.
Magazines and engineering spaces are cramped, with poor
watertight subdivision.
Roomy upper decks; superior accommodation and working space.
Main deck secondary guns subject to being washed down
in a seaway.

Distribution of weights:
Percent
normal
displacement:
Armament ......................... 157 tonnes = 2 pct
Armor, total ..................... 1426 tonnes = 17 pct
Belt 868 tonnes = 10 pct
Deck 327 tonnes = 4 pct
C.T. 35 tonnes = 0 pct
Armament 197 tonnes = 2 pct
Machinery ........................ 2720 tonnes = 32 pct
Hull and fittings; equipment ..... 2912 tonnes = 34 pct
Fuel, ammunition, stores ......... 1225 tonnes = 14 pct
Miscellaneous weights ............ 50 tonnes = 1 pct
-----
8491 tonnes = 100 pct
Estimated metacentric height, 0.8 m
Displacement summary:
Light ship: 7266 tonnes
Standard displacement: 7540 tonnes
Normal service: 8491 tonnes
Full load: 9218 tonnes
Loading submergence 1688 tonnes/metre
+++++++++++++++++++++++++

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.17
Shellfire needed to sink: 3208 kg = 68.4 x 15.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)
Torpedoes needed to sink: 1.0
(Approximates number of 'typical'
torpedo hits needed to sink ship)
Relative steadiness as gun platform, 70 percent
(50 percent is 'average')
Relative rocking effect from firing to beam, 0.55
Relative quality as a seaboat: 1.20
+++++++++++++++++++++++++

Hull form characteristics:
Block coefficient: 0.53
Sharpness coefficient: 0.34
Hull speed coefficient 'M' = 8.02
'Natural speed' for length = 23.1 knots
Power going to wave formation
at top speed: 58 percent

Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 119 percent
Relative accommodation and working space: 123 percent

Displacement factor: 104 percent
(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.96
(Structure weight per square
metre of hull surface: 445 kg)
Relative longitudinal hull strength: 1.45
(for 5.89 m average freeboard;
freeboard adjustment +1.42 m)
Relative composite hull strength: 1.00
+++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]
535.30 x 51.50 x 20.34; 19.32 -- Dimensions
0.53 -- Block coefficient
1914 -- Year laid down
31.00 / 5800 / 15.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
50 tons -- Miscellaneous weights
++++++++++
4 x 5.91; 2; 0 -- Main battery; turrets; superfiring
:
8 x 5.91; 0 -- Secondary battery; turrets
Main deck battery
:
6 x 1.77 -- Tertiary (QF/AA) battery
Gun-shields
:
6 x 0.51 -- Fourth (light) battery
12 / 0 / 20.87 -- TT / submerged / size
++++++++++
3.54 / 1.18 / 1.97 / 0.00; 119 -- Belt armor; relative extent
0.98 / 3.94 -- Deck / CT
2.95 / 2.95 / 0.98 / 0.00 -- Battery armor

(Note: For portability, values are stored in Anglo-American units)

+++++++++++++++++++++++++++++++++++++++++++++++++++++++

This class has been removed from service and scrapped.

Besstrashniy, Smeliy, Khrabriy, Otvrazhniy, Derzkiy, Samouvarenniy, Voiyuyushchiy, Napadenniy

Besstrashniy class, Russian Cruiser Flotilla Leader laid down 1917

Displacement:
3,634 t light; 3,913 t standard; 4,756 t normal; 5,430 t full load

Dimensions: Length overall / water x beam x draught
553.65 ft / 534.78 ft x 50.20 ft x 14.76 ft (normal load)
168.75 m / 163.00 m x 15.30 m x 4.50 m

Armament:
4 - 5.98" / 152 mm guns (2x2 guns), 125.66lbs / 57.00kg shells, 1917 Model
Breech loading guns in deck mounts with hoists
on centreline ends, evenly spread
4 - 5.98" / 152 mm guns in single mounts, 125.66lbs / 57.00kg shells, 1917 Model
Breech loading guns in deck mounts
on side, evenly spread
12 - 3.94" / 100 mm guns in single mounts, 35.27lbs / 16.00kg shells, 1917 Model
Quick firing guns in casemate mounts
on side, evenly spread
12 guns in hull casemates - Limited use in all but light seas
8 - 1.77" / 45.0 mm guns in single mounts, 2.78lbs / 1.26kg shells, 1917 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1917 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 1,451 lbs / 658 kg
Shells per gun, main battery: 200

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.18" / 30 mm 534.78 ft / 163.00 m 9.84 ft / 3.00 m
Ends: Unarmoured
Main Belt covers 154 % of normal length


- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.95" / 75 mm 0.20" / 5 mm -
2nd: 2.95" / 75 mm 0.20" / 5 mm -
3rd: 1.97" / 50 mm - -
4th: 0.98" / 25 mm - -

- Conning tower: 0.98" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 56,381 shp / 42,060 Kw = 32.50 kts
Range 8,350nm at 15.00 kts
Bunker at max displacement = 1,517 tons

Complement:
286 - 372

Cost:
£0.991 million / $3.962 million

Distribution of weights at normal displacement:
Armament: 156 tons, 3.3 %
Armour: 327 tons, 6.9 %
- Belts: 230 tons, 4.8 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 91 tons, 1.9 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 6 tons, 0.1 %
Machinery: 2,048 tons, 43.1 %
Hull, fittings & equipment: 1,103 tons, 23.2 %
Fuel, ammunition & stores: 1,122 tons, 23.6 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,489 lbs / 676 Kg = 13.9 x 6.0 " / 152 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.82
Metacentric height 4.7 ft / 1.4 m
Roll period: 9.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.24
Seaboat quality (Average = 1.00): 1.21

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.420
Length to Beam Ratio: 10.65 : 1
'Natural speed' for length: 23.13 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.33 ft / 6.50 m
- Forecastle (20 %): 19.03 ft / 5.80 m
- Mid (50 %): 19.03 ft / 5.80 m (11.81 ft / 3.60 m aft of break)
- Quarterdeck (15 %): 11.81 ft / 3.60 m
- Stern: 11.81 ft / 3.60 m
- Average freeboard: 15.60 ft / 4.76 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 154.0 %
- Above water (accommodation/working, high = better): 168.8 %
Waterplane Area: 16,736 Square feet or 1,555 Square metres
Displacement factor (Displacement / loading): 83 %
Structure weight / hull surface area: 43 lbs/sq ft or 208 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 0.62
- Overall: 0.51
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

General-Admiral Apraksin, Admiral Lefort, Admiral Golovin, General-Admiral Golytsin

The Admiral Apraksin class recieved a refit for service life extension in 1940. The class lost their aviation capability, but gained a modern electronics suite.

General Admiral Apraksin class light cruisers, laid down 1922

Length, 180.0 m x Beam, 16.7 m x Depth, 6.3 m
8974 tonnes normal displacement (7784 tonnes standard)

Main battery: 12 x 15.0-cm (4 x 3; 2 superfiring)
Secondary battery: 12 x 10.0-cm (6 x 2)
AA battery: 16 x 3.7-cm

Weight of broadside: 739 kg

12 TT, 53.0 cm in two sextuple mounts

Main belt, 7.5 cm; ends unarmored
Armor deck, average 2.5 cm
Conning tower, 5.0 cm

Battery armor:
Main, 7.5 cm / secondary, 2.5 cm
AA, 2.5 cm shields

Maximum speed for 54141 shaft kw = 31.50 knots
Approximate cruising radius, 9000 nm / 15 knots

Typical complement: 461-599


Estimated cost, $8.473 million (£2.118 million)

Remarks:

Relative extent of belt armor, 108 percent of 'typical' coverage.

Ship has slow, easy roll; a good, steady gun platform.

Good seaboat; rides out heavy weather easily.


Distribution of weights:
Percent
normal
displacement:

Armament ......................... 203 tonnes = 2 pct
Armor, total ..................... 1198 tonnes = 13 pct

Belt 442 tonnes = 5 pct
Deck 355 tonnes = 4 pct
C.T. 18 tonnes = 0 pct
Armament 382 tonnes = 4 pct

Machinery ........................ 2461 tonnes = 27 pct
Hull and fittings; equipment ..... 3557 tonnes = 40 pct
Fuel, ammunition, stores ......... 1505 tonnes = 17 pct
Miscellaneous weights ............ 50 tonnes = 1 pct
-----
8974 tonnes = 100 pct

Estimated metacentric height, 0.7 m

Displacement summary:

Light ship: 7469 tonnes
Standard displacement: 7784 tonnes
Normal service: 8974 tonnes
Full load: 9890 tonnes

Loading submergence 1827 tonnes/metre

+++++++++++++++++++++++++


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.09

Shellfire needed to sink: 4044 kg = 86.4 x 15.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 1.3
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 70 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.61

Relative quality as a seaboat: 1.20

+++++++++++++++++++++++++


Hull form characteristics:

Block coefficient: 0.47
Sharpness coefficient: 0.31
Hull speed coefficient 'M' = 8.69
'Natural speed' for length = 24.3 knots
Power going to wave formation
at top speed: 53 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 107 percent

Relative accommodation and working space: 115 percent


Displacement factor: 116 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 0.97
(Structure weight per square
metre of hull surface: 501 kg)

Relative longitudinal hull strength: 1.30
(for 5.80 m average freeboard;
freeboard adjustment +1.28 m)

Relative composite hull strength: 1.00

+++++++++++++++++++++++++


[Machine-readable parameters: Spring Style v. 1.2.1]

590.40 x 54.78 x 20.66; 19.02 -- Dimensions
0.47 -- Block coefficient
1922 -- Year laid down
31.50 / 9000 / 15.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
50 tons -- Miscellaneous weights
++++++++++
12 x 5.91; 4; 2 -- Main battery; turrets; superfiring
:
12 x 3.94; 6 -- Secondary battery; turrets
:
16 x 1.46 -- Tertiary (QF/AA) battery
Gun-shields
:
0 -- No fourth (light) battery
12 / 0 / 20.87 -- TT / submerged / size
++++++++++
2.95 / 0.00 / 0.00 / 0.00; 108 -- Belt armor; relative extent
0.98 / 1.97 -- Deck / CT
2.95 / 0.98 / 0.98 / 0.00 -- Battery armor


(Note: For portability, values are stored in Anglo-American units)


+++++++++++++++++++++++++++++++++++++++++++++++++++++++

Surface search radar - 10 tons
Air search radar - 10 tons
Main battery fire control radar - 10 tons
Antiaircraft battery fire control radar - 10 tons

Admiral Ushakov, Admiral Essen, Admiral Spiridonov, Admiral Jones


This class was refitted for service life extension in 1943. The class lost its aviation capability, but received a comprehensive modern electronics suite.

Admiral Ushakov class, Russian Light Cruisers laid down 1924

Displacement:
7,523 t light; 7,886 t standard; 9,291 t normal; 10,415 t full load

Dimensions: Length overall / water x beam x draught
604.47 ft / 600.39 ft x 55.12 ft x 21.00 ft (normal load)
184.24 m / 183.00 m x 16.80 m x 6.40 m

Armament:
12 - 5.91" / 150 mm guns (4x3 guns), 125.66lbs / 57.00kg shells, 1924 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, 1924 Model
Dual purpose guns in deck mounts
on side, evenly spread
24 - 1.46" / 37.0 mm guns (8x3 guns), 1.54lbs / 0.70kg shells, 1924 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 421.75 ft / 128.55 m 9.19 ft / 2.80 m
Ends: Unarmoured
Main Belt covers 108 % 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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 78,162 shp / 58,309 Kw = 32.00 kts
Range 10,800nm at 15.00 kts (Bunkerage = 2,529 tons)

Complement:
473 - 615

Cost:
£2.460 million / $9.839 million

Distribution of weights at normal displacement:
Armament: 205 tons, 2.2 %
Armour: 1,080 tons, 11.6 %
- Belts: 467 tons, 5.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 195 tons, 2.1 %
- Armour Deck: 390 tons, 4.2 %
- Conning Tower: 28 tons, 0.3 %
Machinery: 2,575 tons, 27.7 %
Hull, fittings & equipment: 3,623 tons, 39.0 %
Fuel, ammunition & stores: 1,768 tons, 19.0 %
Miscellaneous weights: 40 tons, 0.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
9,290 lbs / 4,214 Kg = 90.2 x 5.9 " / 150 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 2.8 ft / 0.9 m
Roll period: 13.9 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.64
Seaboat quality (Average = 1.00): 1.20

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.468
Length to Beam Ratio: 10.89 : 1
'Natural speed' for length: 24.50 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 59
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: 23.13 ft / 7.05 m
- Forecastle (30 %): 21.65 ft / 6.60 m
- Mid (50 %): 16.73 ft / 5.10 m
- Quarterdeck (15 %): 16.40 ft / 5.00 m (16.57 ft / 5.05 m before break)
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 18.80 ft / 5.73 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 108.1 %
- Above water (accommodation/working, high = better): 114.3 %
Waterplane Area: 21,431 Square feet or 1,991 Square metres
Displacement factor (Displacement / loading): 117 %
Structure weight / hull surface area: 100 lbs/sq ft or 487 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.35
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Air search radar - 10 tons
Surface search radar - 10 tons
Main battery fire control radar - 10 tons
Antiaircraft battery fire control radar (2) - 10 tons

Admiral Nakhimov, Admiral Chikagov, Admiral Botsis, Admiral Menshikov

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

Minsk, Samarakand, Tula, Grozniy, Bryansk, Irkutsk

Minsk class, Russian Torpedo Cruisers laid down 1928

Displacement:
2,502 t light; 2,588 t standard; 3,088 t normal; 3,487 t full load

Dimensions: Length overall / water x beam x draught
512.70 ft / 492.13 ft x 41.83 ft x 13.12 ft (normal load)
156.27 m / 150.00 m x 12.75 m x 4.00 m

Armament:
6 - 5.12" / 130 mm guns (2x3 guns), 67.03lbs / 30.40kg shells, 1928 Model
Breech loading guns in deck mounts with hoists
on centreline, all forward, 1 raised mount - superfiring
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1928 Model
Anti-aircraft guns in a deck mount with hoist
on centreline aft
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1928 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 421 lbs / 191 kg
Shells per gun, main battery: 100
12 - 25.6" / 650 mm above water torpedoes in four triple mounts

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.20" / 5 mm 0.79" / 20 mm
2nd: 0.98" / 25 mm - -
3rd: 0.98" / 25 mm - -

- Conning tower: 1.18" / 30 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 56,893 shp / 42,442 Kw = 36.00 kts
Range 8,040nm at 15.00 kts (Bunkerage = 900 tons)

Complement:
206 - 269

Cost:
£1.362 million / $5.449 million

Distribution of weights at normal displacement:
Armament: 53 tons, 1.7 %
Armour: 16 tons, 0.5 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 11 tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 5 tons, 0.2 %
Machinery: 1,607 tons, 52.1 %
Hull, fittings & equipment: 826 tons, 26.7 %
Fuel, ammunition & stores: 586 tons, 19.0 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
753 lbs / 342 Kg = 11.2 x 5.1 " / 130 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.38
Metacentric height 2.4 ft / 0.7 m
Roll period: 11.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.31
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 11.76 : 1
'Natural speed' for length: 25.33 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.28 ft / 7.40 m
- Forecastle (25 %): 19.03 ft / 5.80 m
- Mid (40 %): 19.03 ft / 5.80 m (11.48 ft / 3.50 m aft of break)
- Quarterdeck (15 %): 11.48 ft / 3.50 m
- Stern: 11.48 ft / 3.50 m
- Average freeboard: 15.03 ft / 4.58 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 180.7 %
- Above water (accommodation/working, high = better): 65.6 %
Waterplane Area: 13,151 Square feet or 1,222 Square metres
Displacement factor (Displacement / loading): 78 %
Structure weight / hull surface area: 38 lbs/sq ft or 187 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 0.76
- Overall: 0.52
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

Moskva, Ekatrinburg, Murmansk, Maikop, Khabarovsk, Orel

Moskva class, Russian Torpedo Cruiser laid down 1930

Displacement:
2,478 t light; 2,558 t standard; 3,049 t normal; 3,442 t full load

Dimensions: Length overall / water x beam x draught
467.23 ft / 459.32 ft x 41.17 ft x 14.11 ft (normal load)
142.41 m / 140.00 m x 12.55 m x 4.30 m

Armament:
4 - 5.12" / 130 mm guns (2x2 guns), 79.37lbs / 36.00kg shells, 1930 Model
Breech loading guns in deck mounts with hoists
on centreline, all forward, 1 raised mount - superfiring
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1930 Model
Anti-aircraft guns in a deck mount with hoist
on centreline aft
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1930 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
Weight of broadside 330 lbs / 150 kg
Shells per gun, main battery: 100
12 - 25.6" / 650 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.76" / 70 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Conning tower: 2.76" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 58,228 shp / 43,438 Kw = 36.00 kts
Range 8,200nm at 15.00 kts
Bunker at max displacement = 884 tons

Complement:
204 - 266

Cost:
£1.430 million / $5.721 million

Distribution of weights at normal displacement:
Armament: 35 tons, 1.1 %
Armour: 28 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 16 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 12 tons, 0.4 %
Machinery: 1,613 tons, 52.9 %
Hull, fittings & equipment: 802 tons, 26.3 %
Fuel, ammunition & stores: 571 tons, 18.7 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
725 lbs / 329 Kg = 10.8 x 5.1 " / 130 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.29
Metacentric height 2.1 ft / 0.6 m
Roll period: 12.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.28
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 11.16 : 1
'Natural speed' for length: 24.57 kts
Power going to wave formation at top speed: 63 %
Trim (Max stability = 0, Max steadiness = 100): 70
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: 29.53 ft / 9.00 m
- Forecastle (25 %): 19.52 ft / 5.95 m
- Mid (40 %): 19.52 ft / 5.95 m (11.48 ft / 3.50 m aft of break)
- Quarterdeck (15 %): 11.48 ft / 3.50 m
- Stern: 11.48 ft / 3.50 m
- Average freeboard: 15.70 ft / 4.79 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 179.4 %
- Above water (accommodation/working, high = better): 53.4 %
Waterplane Area: 12,081 Square feet or 1,122 Square metres
Displacement factor (Displacement / loading): 79 %
Structure weight / hull surface area: 38 lbs/sq ft or 186 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.03
- Overall: 0.53
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

Torpedos in four triple mounts on the centerline

Saratov class, Russian Carrier Escort laid down 1929

Displacement:
4,267 t light; 4,492 t standard; 5,458 t normal; 6,231 t full load

Dimensions: Length overall / water x beam x draught
523.30 ft / 501.97 ft x 46.92 ft x 18.86 ft (normal load)
159.50 m / 153.00 m x 14.30 m x 5.75 m

Armament:
6 - 5.98" / 152 mm guns (3x2 guns), 107.15lbs / 48.60kg shells, 1929 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
2 - 3.94" / 100 mm guns (1x2 guns), 37.48lbs / 17.00kg shells, 1929 Model
Dual purpose guns in a deck mount with hoist
on centreline aft, all raised guns - superfiring
12 - 3.94" / 100 mm guns (6x2 guns), 37.48lbs / 17.00kg shells, 1929 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
32 - 1.46" / 37.0 mm guns (8x4 guns), 1.55lbs / 0.70kg shells, 1929 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 4 raised mounts
Weight of broadside 1,217 lbs / 552 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.97" / 50 mm 435.53 ft / 132.75 m 9.84 ft / 3.00 m
Ends: Unarmoured
Main Belt covers 133 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.20" / 5 mm 1.57" / 40 mm
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 0.59" / 15 mm, Conning tower: 2.95" / 75 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 59,638 shp / 44,490 Kw = 32.00 kts
Range 10,800nm at 15.00 kts
Bunker at max displacement = 1,740 tons

Complement:
316 - 412

Cost:
£2.093 million / $8.373 million

Distribution of weights at normal displacement:
Armament: 140 tons, 2.6 %
Armour: 595 tons, 10.9 %
- Belts: 334 tons, 6.1 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 80 tons, 1.5 %
- Armour Deck: 162 tons, 3.0 %
- Conning Tower: 20 tons, 0.4 %
Machinery: 1,832 tons, 33.6 %
Hull, fittings & equipment: 1,701 tons, 31.2 %
Fuel, ammunition & stores: 1,191 tons, 21.8 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2,847 lbs / 1,292 Kg = 26.6 x 6.0 " / 152 mm shells or 0.7 torpedoes
Stability (Unstable if below 1.00): 1.17
Metacentric height 2.1 ft / 0.7 m
Roll period: 13.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.69
Seaboat quality (Average = 1.00): 1.02

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.430
Length to Beam Ratio: 10.70 : 1
'Natural speed' for length: 22.40 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.59 ft / 7.80 m
- Forecastle (20 %): 18.86 ft / 5.75 m
- Mid (50 %): 18.86 ft / 5.75 m (11.32 ft / 3.45 m aft of break)
- Quarterdeck (15 %): 11.32 ft / 3.45 m
- Stern: 13.12 ft / 4.00 m
- Average freeboard: 15.77 ft / 4.81 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 128.9 %
- Above water (accommodation/working, high = better): 131.9 %
Waterplane Area: 14,789 Square feet or 1,374 Square metres
Displacement factor (Displacement / loading): 101 %
Structure weight / hull surface area: 67 lbs/sq ft or 326 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.71
- Longitudinal: 1.13
- Overall: 0.75
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform

Kiev class, Russian Torpedo Cruiser laid down 1934

Kiev (F), Tver, Arkhangelsk, Stavropol, Magadan, Irkutsk

Displacement:
2,315 t light; 2,394 t standard; 2,985 t normal; 3,457 t full load

Dimensions: Length overall / water x beam x draught
499.33 ft / 475.72 ft x 41.83 ft x 13.12 ft (normal load)
152.20 m / 145.00 m x 12.75 m x 4.00 m

Armament:
4 - 5.12" / 130 mm guns (2x2 guns), 79.37lbs / 36.00kg shells, 1934 Model
Quick firing guns in deck mounts with hoists
on centreline, all forward, 1 raised mount - superfiring
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1934 Model
Anti-aircraft guns in a deck mount with hoist
on centreline aft
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1934 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
Weight of broadside 336 lbs / 152 kg
Shells per gun, main battery: 100
12 - 25.6" / 650 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.54" / 90 mm 0.20" / 5 mm 2.76" / 70 mm
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Conning tower: 3.54" / 90 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 50,513 shp / 37,683 Kw = 35.00 kts
Range 10,400nm at 15.00 kts
Bunker at max displacement = 1,062 tons

Complement:
201 - 262

Cost:
£1.513 million / $6.051 million

Distribution of weights at normal displacement:
Armament: 36 tons, 1.2 %
Armour: 39 tons, 1.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 23 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 16 tons, 0.5 %
Machinery: 1,407 tons, 47.2 %
Hull, fittings & equipment: 834 tons, 27.9 %
Fuel, ammunition & stores: 669 tons, 22.4 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
990 lbs / 449 Kg = 14.8 x 5.1 " / 130 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.42
Metacentric height 2.5 ft / 0.8 m
Roll period: 11.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.26
Seaboat quality (Average = 1.00): 1.20

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 11.37 : 1
'Natural speed' for length: 24.97 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 29.53 ft / 9.00 m
- Forecastle (25 %): 19.69 ft / 6.00 m
- Mid (40 %): 19.69 ft / 6.00 m (12.30 ft / 3.75 m aft of break)
- Quarterdeck (15 %): 12.30 ft / 3.75 m
- Stern: 13.29 ft / 4.05 m
- Average freeboard: 16.31 ft / 4.97 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 161.5 %
- Above water (accommodation/working, high = better): 65.3 %
Waterplane Area: 12,712 Square feet or 1,181 Square metres
Displacement factor (Displacement / loading): 92 %
Structure weight / hull surface area: 38 lbs/sq ft or 184 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.03
- Overall: 0.53
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
Good seaboat, rides out heavy weather easily

Torpedos in four triple mounts on the centerline

Next is a class of 2 light cruisers, intended for protecting aircraft carriers against aerial and surface threats;

Tambov, Gomel

Tambov class, Russian Light Cruiser laid down 1934

Displacement:
5,495 t light; 5,759 t standard; 7,021 t normal; 8,030 t full load

Dimensions: Length overall / water x beam x draught
544.04 ft / 536.75 ft x 51.51 ft x 19.75 ft (normal load)
165.82 m / 163.60 m x 15.70 m x 6.02 m

Armament:
6 - 5.98" / 152 mm guns (3x2 guns), 123.46lbs / 56.00kg shells, 1934 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
2 - 3.94" / 100 mm guns (1x2 guns), 37.48lbs / 17.00kg shells, 1934 Model
Dual purpose guns in a deck mount with hoist
on centreline aft, all raised guns - superfiring
12 - 3.94" / 100 mm guns (6x2 guns), 37.48lbs / 17.00kg shells, 1934 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
32 - 1.46" / 37.0 mm guns (8x4 guns), 1.55lbs / 0.70kg shells, 1934 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 4 raised mounts
Weight of broadside 1,315 lbs / 596 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.97" / 50 mm 374.34 ft / 114.10 m 9.84 ft / 3.00 m
Ends: Unarmoured
Main Belt covers 107 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.98" / 25 mm 1.18" / 30 mm
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 1.18" / 30 mm, Conning tower: 1.97" / 50 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 68,598 shp / 51,174 Kw = 32.00 kts
Range 12,800nm at 15.00 kts
Bunker at max displacement = 2,271 tons

Complement:
383 - 498

Cost:
£2.878 million / $11.510 million

Distribution of weights at normal displacement:
Armament: 140 tons, 2.0 %
Armour: 785 tons, 11.2 %
- Belts: 297 tons, 4.2 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 87 tons, 1.2 %
- Armour Deck: 385 tons, 5.5 %
- Conning Tower: 16 tons, 0.2 %
Machinery: 1,973 tons, 28.1 %
Hull, fittings & equipment: 2,597 tons, 37.0 %
Fuel, ammunition & stores: 1,526 tons, 21.7 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,942 lbs / 3,149 Kg = 64.8 x 6.0 " / 152 mm shells or 1.2 torpedoes
Stability (Unstable if below 1.00): 1.23
Metacentric height 2.7 ft / 0.8 m
Roll period: 13.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.59
Seaboat quality (Average = 1.00): 1.25

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.450
Length to Beam Ratio: 10.42 : 1
'Natural speed' for length: 23.17 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 56
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: 27.23 ft / 8.30 m
- Forecastle (20 %): 19.69 ft / 6.00 m
- Mid (50 %): 18.04 ft / 5.50 m
- Quarterdeck (15 %): 16.40 ft / 5.00 m
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 18.69 ft / 5.70 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 107.3 %
- Above water (accommodation/working, high = better): 157.7 %
Waterplane Area: 17,635 Square feet or 1,638 Square metres
Displacement factor (Displacement / loading): 120 %
Structure weight / hull surface area: 83 lbs/sq ft or 406 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.84
- Longitudinal: 1.62
- Overall: 0.90
Caution: Hull subject to strain in open-sea
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

The Admiral Senyavin class is the first non-specialized light cruiser laid down by the Russian Federation since the Admiral Nakhimov class of 1926. Her displacement, range, and speed is increased, and armor has gone from 12% to almost 16%, along with a significant increase in survivability.

Admiral Senyavin class, Russian Light Cruisers laid down 1935

Admiral Senyavin
Admiral Heiden
Admiral Nevelskiy
Admiral Butackov

Displacement:
9,681 t light; 10,098 t standard; 12,027 t normal; 13,571 t full load

Dimensions: Length overall / water x beam x draught
641.27 ft / 629.92 ft x 55.77 ft (Bulges 62.99 ft) x 23.79 ft (normal load)
195.46 m / 192.00 m x 17.00 m (Bulges 19.20 m) x 7.25 m

Armament:
12 - 5.98" / 152 mm guns (4x3 guns), 123.46lbs / 56.00kg shells, 1935 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, 1935 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
24 - 1.46" / 37.0 mm guns (6x4 guns), 1.55lbs / 0.70kg shells, 1935 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
16 - 0.55" / 14.0 mm guns (8x2 guns), 0.08lbs / 0.04kg shells, 1935 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 1,970 lbs / 893 kg
Shells per gun, main battery: 150
12 - 20.9" / 530 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.94" / 100 mm 375.16 ft / 114.35 m 9.84 ft / 3.00 m
Ends: Unarmoured
Main Belt covers 92 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5.12" / 130 mm 3.15" / 80 mm 3.94" / 100 mm
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Armour deck: 1.97" / 50 mm, Conning tower: 3.15" / 80 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 99,250 shp / 74,040 Kw = 34.00 kts
Range 10,000nm at 18.00 kts
Bunker at max displacement = 3,473 tons

Complement:
573 - 746

Cost:
£4.638 million / $18.553 million

Distribution of weights at normal displacement:
Armament: 211 tons, 1.8 %
Armour: 1,899 tons, 15.8 %
- Belts: 605 tons, 5.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 413 tons, 3.4 %
- Armour Deck: 845 tons, 7.0 %
- Conning Tower: 36 tons, 0.3 %
Machinery: 2,820 tons, 23.4 %
Hull, fittings & equipment: 4,622 tons, 38.4 %
Fuel, ammunition & stores: 2,346 tons, 19.5 %
Miscellaneous weights: 130 tons, 1.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
14,302 lbs / 6,487 Kg = 133.5 x 6.0 " / 152 mm shells or 1.8 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 2.6 ft / 0.8 m
Roll period: 16.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.49
Seaboat quality (Average = 1.00): 1.21

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.446
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 28.84 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 58
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: 31.17 ft / 9.50 m
- Forecastle (25 %): 20.67 ft / 6.30 m
- Mid (50 %): 19.36 ft / 5.90 m
- Quarterdeck (15 %): 18.04 ft / 5.50 m
- Stern: 19.69 ft / 6.00 m
- Average freeboard: 20.60 ft / 6.28 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 91.6 %
- Above water (accommodation/working, high = better): 114.0 %
Waterplane Area: 23,202 Square feet or 2,156 Square metres
Displacement factor (Displacement / loading): 129 %
Structure weight / hull surface area: 109 lbs/sq ft or 531 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.59
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Air search radar - 20 tons
Surface search radar - 20 tons
2 Seaplanes, 1 Catapult
Misc weight - 15 tons

Rynda, former British Light Cruiser Birkenhead laid down 1914 (Engine 1940)

Displacement:
5,147 t light; 5,447 t standard; 5,887 t normal; 6,240 t full load

Dimensions: Length overall / water x beam x draught
446.74 ft / 430.00 ft x 49.75 ft x 17.20 ft (normal load)
136.17 m / 131.06 m x 15.16 m x 5.24 m

Armament:
6 - 5.12" / 130 mm guns (2x3 guns), 79.37lbs / 36.00kg shells, 1940 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread
6 - 5.12" / 130 mm guns in single mounts, 79.37lbs / 36.00kg shells, 1940 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread
16 - 1.46" / 37.0 mm guns (4x4 guns), 1.55lbs / 0.70kg shells, 1940 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
8 - 0.55" / 14.0 mm guns (4x2 guns), 0.08lbs / 0.04kg shells, 1940 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 978 lbs / 444 kg
Shells per gun, main battery: 300

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.46" / 88 mm 318.24 ft / 97.00 m 12.00 ft / 3.66 m
Ends: 2.52" / 64 mm 108.27 ft / 33.00 m 12.00 ft / 3.66 m
3.49 ft / 1.06 m Unarmoured ends
Main Belt covers 114 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.20" / 5 mm 1.18" / 30 mm
2nd: 1.97" / 50 mm 0.20" / 5 mm 1.18" / 30 mm
3rd: 0.98" / 25 mm 0.20" / 5 mm 0.98" / 25 mm

- Armour deck: 2.00" / 51 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 42,653 shp / 31,819 Kw = 28.00 kts
Range 5,000nm at 15.00 kts
Bunker at max displacement = 793 tons

Complement:
335 - 436

Cost:
£0.543 million / $2.174 million

Distribution of weights at normal displacement:
Armament: 104 tons, 1.8 %
Armour: 1,264 tons, 21.5 %
- Belts: 669 tons, 11.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 38 tons, 0.6 %
- Armour Deck: 558 tons, 9.5 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,140 tons, 19.4 %
Hull, fittings & equipment: 2,334 tons, 39.6 %
Fuel, ammunition & stores: 740 tons, 12.6 %
Miscellaneous weights: 305 tons, 5.2 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
9,628 lbs / 4,367 Kg = 143.6 x 5.1 " / 130 mm shells or 1.5 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 2.2 ft / 0.7 m
Roll period: 14.2 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.65
Seaboat quality (Average = 1.00): 1.50

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.560
Length to Beam Ratio: 8.64 : 1
'Natural speed' for length: 20.74 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 47
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 29.00 ft / 8.84 m
- Forecastle (20 %): 22.30 ft / 6.80 m
- Mid (50 %): 22.30 ft / 6.80 m
- Quarterdeck (15 %): 14.30 ft / 4.36 m (22.30 ft / 6.80 m before break)
- Stern: 14.30 ft / 4.36 m
- Average freeboard: 21.64 ft / 6.59 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.7 %
- Above water (accommodation/working, high = better): 191.1 %
Waterplane Area: 15,070 Square feet or 1,400 Square metres
Displacement factor (Displacement / loading): 126 %
Structure weight / hull surface area: 82 lbs/sq ft or 399 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.87
- Longitudinal: 3.41
- 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
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Twin 130mm semiautomatic mounts simmed as triples

Air search Radar - 10 tons
Antiaircraft fire control radar - 10 tons
CIC - 100 tons
Diesel generators - 10 tons
Spare parts - 25 tons
Classrooms etc for use as a training ship - 150 tons

Draft declines by 0.3ft, and freeboard increases by same, due to lightened load.

Chester and Birkenhead have found employment with Russia's Baltic Fleet, being attached to 1st Battle Division as antiaircraft escorts.

Izumrud, (ex-Latvian Chester (ex-Canadian(ex-British))) Light Cruiser laid down 1914 (Engine 1939)

Displacement:
5,334 t light; 5,608 t standard; 5,990 t normal; 6,295 t full load

Dimensions: Length overall / water x beam x draught
430.00 ft / 430.00 ft x 49.75 ft x 17.50 ft (normal load)
131.06 m / 131.06 m x 15.16 m x 5.33 m

Armament:
6 - 5.12" / 130 mm guns (2x3 guns), 67.03lbs / 30.41kg shells, 1939 Model
Dual purpose guns in deck mounts with hoists
on centreline, evenly spread
6 - 5.12" / 130 mm guns in single mounts, 67.03lbs / 30.41kg shells, 1939 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
16 - 1.46" / 37.0 mm guns (4x4 guns), 1.55lbs / 0.70kg shells, 1939 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
8 - 0.55" / 14.0 mm guns (4x2 guns), 0.08lbs / 0.04kg shells, 1939 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 830 lbs / 376 kg
Shells per gun, main battery: 300

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.46" / 88 mm 318.24 ft / 97.00 m 12.00 ft / 3.66 m
Ends: 2.52" / 64 mm 108.27 ft / 33.00 m 12.00 ft / 3.66 m
3.49 ft / 1.06 m Unarmoured ends
Main Belt covers 114 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.20" / 5 mm 0.98" / 25 mm
2nd: 1.97" / 50 mm 0.20" / 5 mm 0.98" / 25 mm
3rd: 0.98" / 25 mm 0.20" / 5 mm 0.98" / 25 mm

- Armour deck: 2.00" / 51 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 66,176 shp / 49,368 Kw = 31.00 kts
Range 4,965nm at 14.00 kts
Bunker at max displacement = 687 tons

Complement:
339 - 442

Cost:
£0.668 million / $2.670 million

Distribution of weights at normal displacement:
Armament: 104 tons, 1.7 %
Armour: 1,264 tons, 21.1 %
- Belts: 669 tons, 11.2 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 38 tons, 0.6 %
- Armour Deck: 558 tons, 9.3 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,790 tons, 29.9 %
Hull, fittings & equipment: 2,106 tons, 35.2 %
Fuel, ammunition & stores: 656 tons, 11.0 %
Miscellaneous weights: 70 tons, 1.2 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,024 lbs / 2,733 Kg = 89.9 x 5.1 " / 130 mm shells or 1.0 torpedoes
Stability (Unstable if below 1.00): 1.25
Metacentric height 2.6 ft / 0.8 m
Roll period: 12.9 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.42
Seaboat quality (Average = 1.00): 1.12

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.560
Length to Beam Ratio: 8.64 : 1
'Natural speed' for length: 20.74 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 45
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26.25 ft / 8.00 m
- Forecastle (20 %): 22.00 ft / 6.71 m
- Mid (50 %): 22.00 ft / 6.71 m
- Quarterdeck (15 %): 14.00 ft / 4.27 m (22.00 ft / 6.71 m before break)
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 21.14 ft / 6.44 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 113.3 %
- Above water (accommodation/working, high = better): 115.0 %
Waterplane Area: 15,070 Square feet or 1,400 Square metres
Displacement factor (Displacement / loading): 104 %
Structure weight / hull surface area: 75 lbs/sq ft or 364 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.79
- Longitudinal: 2.91
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate


Main battery twin's simmed as triples to account for semi-automatic weight