WesWorld

List of Auxiliaries

Formerly Trud

Betelgeuse-class Oiler, laid down 1919

Length, 130.0 m x Beam, 20.0 m x Depth, 8.0 m
11534 tonnes normal displacement (9897 tonnes standard)

Main battery: 2 x 1.3-cm

Weight of broadside: 0 kg

Main belt, 0.3 cm; ends unarmored
Torpedo bulkhead, 10.0 cm

Cargo capacity - 5,500 tons. 6,500 GRT

Maximum speed for 12924 shaft kw = 20.00 knots
Approximate cruising radius, 10000 nm / 15 knots

Typical complement: 112-144


Estimated cost, $3.704 million (£926,000)

Remarks:

Oil firing.

Relative extent of belt armor, 110 percent of 'typical' coverage.


Distribution of weights:
Percent
normal
displacement:

Armor, total ..................... 1075 tonnes = 9 pct

Belt 15 tonnes = 0 pct
Torpedo bulkhead 1059 tonnes = 9 pct

Machinery ........................ 615 tonnes = 5 pct
Hull and fittings; equipment ..... 2477 tonnes = 21 pct
Fuel, ammunition, stores ......... 1867 tonnes = 16 pct
Miscellaneous weights ............ 5500 tonnes = 48 pct
-----
11534 tonnes = 100 pct

Estimated metacentric height, 0.8 m

Displacement summary:

Light ship: 9667 tonnes
Standard displacement: 9897 tonnes
Normal service: 11534 tonnes
Full load: 12797 tonnes

Loading submergence 1756 tonnes/metre

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


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.01

Shellfire needed to sink: 4195 kg = 137638.6 x 1.3-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 1.9
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 39 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.00

Relative quality as a seaboat: 1.04

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


Hull form characteristics:

Block coefficient: 0.55
Sharpness coefficient: 0.40
Hull speed coefficient 'M' = 5.77
'Natural speed' for length = 20.6 knots
Power going to wave formation
at top speed: 48 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 101 percent

Relative accommodation and working space: 84 percent


Displacement factor: 148 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 1.00
(Structure weight per square
metre of hull surface: 423 kg)

Relative longitudinal hull strength: 1.56
(for 4.00 m average freeboard;
freeboard adjustment -0.75 m)

Relative composite hull strength: 1.05

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


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

426.40 x 65.60 x 26.24; 13.12 -- Dimensions
0.55 -- Block coefficient
1919 -- Year laid down
20.00 / 10000 / 15.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
5500 tons -- Miscellaneous weights
++++++++++
2 x 0.51; 0 -- Main battery; turrets
Central positioning of guns
:
0 -- No secondary battery
0 -- No tertiary (QF/AA) battery
0 -- No fourth (light) battery
0 -- No torpedo armament
++++++++++
0.12 / 0.00 / 0.00 / 3.94; 110 -- Belt armor; relative extent
0.00 / 0.00 -- Deck / CT
0.00 -- No battery armor


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


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

Ships in Class:
- Betelgeuse
- Protsion
- Spika
- Kapella

Rigel-class Fleet Oiler, laid down 1924

Length, 160.0 m x Beam, 25.0 m x Depth, 8.0 m
22584 tonnes normal displacement (15909 tonnes standard)

Main battery: 4 x 13.0-cm (2 x 2)
AA battery: 8 x 3.7-cm

Weight of broadside: 128 kg

Hull unarmored

Battery armor:
Main, 2.5 cm
AA, 2.5 cm shields

Maximum speed for 19400 shaft kw = 20.00 knots
Approximate cruising radius, 29000 nm / 15 knots

Typical complement: 460-598


Estimated cost, $8.525 million (£2.131 million)

Remarks:

Good seaboat; rides out heavy weather easily.

Magazines and engineering spaces are roomy, with superior
watertight subdivision.


Distribution of weights:
Percent
normal
displacement:

Armament ......................... 35 tonnes = 0 pct
Armor, total ..................... 29 tonnes = 0 pct

Armament 29 tonnes = 0 pct

Machinery ........................ 856 tonnes = 4 pct
Hull and fittings; equipment ..... 4513 tonnes = 20 pct
Fuel, ammunition, stores ......... 7151 tonnes = 32 pct
Miscellaneous weights ............ 10000 tonnes = 44 pct
-----
22584 tonnes = 100 pct

Estimated metacentric height, 1.4 m

Displacement summary:

Light ship: 15433 tonnes
Standard displacement: 15909 tonnes
Normal service: 22584 tonnes
Full load: 27834 tonnes

Loading submergence 3176 tonnes/metre

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


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.13

Shellfire needed to sink: 14003 kg = 459.0 x 13.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 3.7
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 46 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.01

Relative quality as a seaboat: 1.24

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


Hull form characteristics:

Block coefficient: 0.70
Sharpness coefficient: 0.45
Hull speed coefficient 'M' = 5.68
'Natural speed' for length = 22.9 knots
Power going to wave formation
at top speed: 46 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 63 percent

Relative accommodation and working space: 99 percent


Displacement factor: 188 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 1.00
(Structure weight per square
metre of hull surface: 485 kg)

Relative longitudinal hull strength: 1.00
(for 4.30 m average freeboard;
freeboard adjustment -1.13 m)

Relative composite hull strength: 1.00

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


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

524.80 x 82.00 x 26.24; 14.10 -- Dimensions
0.70 -- Block coefficient
1924 -- Year laid down
20.00 / 29000 / 15.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
10000 tons -- Miscellaneous weights
++++++++++
4 x 5.12; 2; 0 -- Main battery; turrets; superfiring
:
0 -- No secondary battery
8 x 1.46 -- Tertiary (QF/AA) battery
Gun-shields
:
0 -- No fourth (light) battery
0 -- No torpedo armament
++++++++++
0.00 -- No belt armor
0.00 / 0.00 -- Deck / CT
0.98 / 0.00 / 0.98 / 0.00 -- Battery armor


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


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

Ships in Class:
- Rigel
- Akhernar
- Fomal'gaut
- Al'nitak
- Al'tair
- Skorpiona
- Aludra
- Kinosura

Zenit class seaplane carrier/sub tender, 1924
Russian Seaplane/Submarine Tender, laid down 1924

Length, 110.0 m x Beam, 17.0 m x Depth, 5.0 m
4713 tonnes normal displacement (3350 tonnes standard)

Main battery: 3 x 13.0-cm (3 x 1)
Secondary battery: 4 x 7.6-cm
AA battery: 8 x 3.7-cm

Weight of broadside: 121 kg

Hull unarmored

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

Aircraft - 16 Seaplanes, 2 Catapults (1 starboard, 1 port)

Sixteen is the number of aircraft the Seaplane Tender is designed to support - half a Patrol Squadron of twin-engined seaplanes, plus two Flights of four single-engined Scout seaplanes which are carried on board.

The twin-engine seaplanes are generally able to self-deploy, given their considerable range. The Tender sustains them for their operations.

It also carries diesel fuel and spare torpedos to support submarine operations.

Cargo - 1,250 metric tons 3,300 GRT

Maximum speed for 7785 shaft kw = 20.00 knots
Approximate cruising radius, 15000 nm / 15 knots

Typical complement: 284-370


Estimated cost, $2.341 million (£585,000)

Remarks:

Excellent seaboat; comfortable and able to fight her guns
in the heaviest weather.

Magazines and engineering spaces are roomy, with superior
watertight subdivision.

Distribution of weights:
Percent
normal
displacement:

Armament ......................... 33 tonnes = 1 pct
Armor, total ..................... 28 tonnes = 1 pct

Armament 28 tonnes = 1 pct

Machinery ........................ 344 tonnes = 7 pct
Hull and fittings; equipment ..... 1328 tonnes = 28 pct
Fuel, ammunition, stores ......... 1480 tonnes = 31 pct
Miscellaneous weights ............ 1500 tonnes = 32 pct
-----
4713 tonnes = 100 pct

Estimated metacentric height, 0.9 m

Displacement summary:

Light ship: 3233 tonnes
Standard displacement: 3350 tonnes
Normal service: 4713 tonnes
Full load: 5785 tonnes

Loading submergence 1185 tonnes/metre

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


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.24

Shellfire needed to sink: 3700 kg = 121.4 x 13.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 2.0
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 53 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.06

Relative quality as a seaboat: 1.51

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


Hull form characteristics:

Block coefficient: 0.50
Sharpness coefficient: 0.38
Hull speed coefficient 'M' = 6.58
'Natural speed' for length = 19.0 knots
Power going to wave formation
at top speed: 50 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 65 percent

Relative accommodation and working space: 111 percent


Displacement factor: 190 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 0.95
(Structure weight per square
metre of hull surface: 345 kg)

Relative longitudinal hull strength: 1.58
(for 4.00 m average freeboard;
freeboard adjustment +0.03 m)

Relative composite hull strength: 1.00

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


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

360.80 x 55.76 x 16.40; 13.12 -- Dimensions
0.50 -- Block coefficient
1924 -- Year laid down
20.00 / 15000 / 15.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
1500 tons -- Miscellaneous weights
++++++++++
3 x 5.12; 3; 0 -- Main battery; turrets; superfiring
:
4 x 2.99; 0 -- Secondary battery; turrets
Gun-shields
:
8 x 1.46 -- Tertiary (QF/AA) battery
Gun-shields
:
0 -- No fourth (light) battery
0 -- No torpedo armament
++++++++++
0.00 -- No belt armor
0.00 / 0.00 -- Deck / CT
0.98 / 0.98 / 0.98 / 0.00 -- Battery armor


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


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

Ships in Class:
- Zenit
- Emgeiten
- Anapa
- Ivangorod

Dalniy-class , Russian Torpedo Cruiser Tender laid down 1928

Displacement:
4,865 t light; 4,998 t standard; 6,593 t normal; 7,869 t full load

Dimensions: Length overall / water x beam x draught
420.08 ft / 396.98 ft x 59.06 ft x 16.40 ft (normal load)
128.04 m / 121.00 m x 18.00 m x 5.00 m

Armament:
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1928 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
Weight of broadside 6 lbs / 3 kg
Shells per gun, main battery: 150

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 6,967 shp / 5,198 Kw = 17.00 kts
Range 15,280nm at 15.00 kts (Bunkerage = 2,871 tons)

Complement:
365 - 475

Cost:
£0.769 million / $3.075 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0.0 %
Machinery: 217 tons, 3.3 %
Hull, fittings & equipment: 1,588 tons, 24.1 %
Fuel, ammunition & stores: 1,727 tons, 26.2 %
Miscellaneous weights: 3,060 tons, 46.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
10,698 lbs / 4,852 Kg = 6,921.7 x 1.5 " / 37 mm shells or 2.3 torpedoes
Stability (Unstable if below 1.00): 1.19
Metacentric height 3.1 ft / 1.0 m
Roll period: 14.0 seconds
Steadiness - As gun platform (Average = 50 %): 44 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.52

Hull form characteristics:
Hull has raised forecastle, raised quarterdeck
Block coefficient: 0.600
Length to Beam Ratio: 6.72 : 1
'Natural speed' for length: 19.92 kts
Power going to wave formation at top speed: 41 %
Trim (Max stability = 0, Max steadiness = 100): 26
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 9.84 ft / 3.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.97 ft / 7.00 m
- Forecastle (20 %): 18.04 ft / 5.50 m (11.48 ft / 3.50 m aft of break)
- Mid (50 %): 11.48 ft / 3.50 m
- Quarterdeck (15 %): 16.40 ft / 5.00 m (11.48 ft / 3.50 m before break)
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 13.93 ft / 4.25 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 62.1 %
- Above water (accommodation/working, high = better): 102.7 %
Waterplane Area: 17,146 Square feet or 1,593 Square metres
Displacement factor (Displacement / loading): 188 %
Structure weight / hull surface area: 67 lbs/sq ft or 326 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.20
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Notes:
This ship carries torpedo reloads, supplies, spare parts, workshops, and fuel for a Torpedo Cruiser Squadron.

Ships in Class:
- Dalny
- Anadyr
- Feodosiya

In 1936, 2 Sadko class were refitted for mine/net-laying operations, and are deployed to Anadyr as ice conditions permit. They have also been deployed to Okha, Vladivostok, and Cam Ranh Bay.

Sadko-class, Russian Corvette/Minelayer/Sub Tender laid down 1929

Displacement:
2,584 t light; 2,647 t standard; 2,942 t normal; 3,179 t full load

Dimensions: Length overall / water x beam x draught
317.62 ft / 295.28 ft x 49.21 ft x 11.81 ft (normal load)
96.81 m / 90.00 m x 15.00 m x 3.60 m

Armament:
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1929 Model
Anti-aircraft guns in deck mounts with hoists
on centreline, evenly spread
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1929 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
Weight of broadside 6 lbs / 3 kg
Shells per gun, main battery: 1,000

Machinery:
Coal and oil fired boilers, steam turbines,
Geared drive, 2 shafts, 5,903 shp / 4,404 Kw = 18.00 kts
Range 7,200nm at 12.00 kts
Bunker at max displacement = 532 tons (15% coal)

Complement:
199 - 259

Cost:
£0.467 million / $1.870 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0.0 %
Machinery: 184 tons, 6.2 %
Hull, fittings & equipment: 799 tons, 27.2 %
Fuel, ammunition & stores: 358 tons, 12.2 %
Miscellaneous weights: 1,600 tons, 54.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4,122 lbs / 1,870 Kg = 2,667.2 x 1.5 " / 37 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 2.1 ft / 0.6 m
Roll period: 14.3 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.50

Hull form characteristics:
Hull has raised forecastle, raised quarterdeck
Block coefficient: 0.600
Length to Beam Ratio: 6.00 : 1
'Natural speed' for length: 17.18 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 34
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 9.84 ft / 3.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.65 ft / 6.60 m
- Forecastle (20 %): 18.04 ft / 5.50 m (11.15 ft / 3.40 m aft of break)
- Mid (50 %): 11.15 ft / 3.40 m
- Quarterdeck (15 %): 16.40 ft / 5.00 m (11.15 ft / 3.40 m before break)
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 13.61 ft / 4.15 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 80.2 %
- Above water (accommodation/working, high = better): 113.5 %
Waterplane Area: 10,628 Square feet or 987 Square metres
Displacement factor (Displacement / loading): 149 %
Structure weight / hull surface area: 54 lbs/sq ft or 262 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.71
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Breakdown of Miscellaneous Weights:
N/A

Ships in Class:
- 19 outfitted as auxiliaries. 4 more outfitted as armed merchant escort sloops.

Atlantic-class, Russian repair ship laid down 1938

Displacement:
9,493 t light; 9,839 t standard; 16,733 t normal; 22,248 t full load

Dimensions: Length overall / water x beam x draught
557.74 ft / 557.74 ft x 91.54 ft x 18.21 ft (normal load)
170.00 m / 170.00 m x 27.90 m x 5.55 m

Armament:
1 - 5.12" / 130 mm guns in single mounts, 79.37lbs / 36.00kg shells, 1938 Model
Dual purpose gun in a deck mount with hoist
on centreline forward
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1938 Model
Anti-aircraft guns in a deck mount with hoist
on side amidships, all raised guns
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1938 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
Weight of broadside 92 lbs / 42 kg
Shells per gun, main battery: 200

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 14,848 shp / 11,076 Kw = 18.00 kts
Range 41,400nm at 15.00 kts
Bunker at max displacement = 12,409 tons

Complement:
735 - 956

Cost:
£2.241 million / $8.962 million

Distribution of weights at normal displacement:
Armament: 10 tons, 0.1 %
Armour: 4 tons, 0.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 4 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 407 tons, 2.4 %
Hull, fittings & equipment: 5,073 tons, 30.3 %
Fuel, ammunition & stores: 7,240 tons, 43.3 %
Miscellaneous weights: 4,000 tons, 23.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
74,100 lbs / 33,611 Kg = 1,105.4 x 5.1 " / 130 mm shells or 8.3 torpedoes
Stability (Unstable if below 1.00): 1.61
Metacentric height 9.8 ft / 3.0 m
Roll period: 12.3 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has raised quarterdeck
Block coefficient: 0.630
Length to Beam Ratio: 6.09 : 1
'Natural speed' for length: 23.62 kts
Power going to wave formation at top speed: 36 %
Trim (Max stability = 0, Max steadiness = 100): 25
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 %): 22.97 ft / 7.00 m
- Mid (50 %): 22.97 ft / 7.00 m
- Quarterdeck (15 %): 26.25 ft / 8.00 m (22.97 ft / 7.00 m before break)
- Stern: 26.25 ft / 8.00 m
- Average freeboard: 23.72 ft / 7.23 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 35.8 %
- Above water (accommodation/working, high = better): 228.5 %
Waterplane Area: 38,396 Square feet or 3,567 Square metres
Displacement factor (Displacement / loading): 342 %
Structure weight / hull surface area: 99 lbs/sq ft or 485 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.46
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Notes:
- Converted from an Atlantic class ship. Internal fuel for 10,800nm @ 15kts-1,700tons. Cargo: 4,000 tons industrial machinery and fittings, 10,700 tons low-stowed warship materials simmed as bunkers.
- Note: Weapons not added in peacetime, merely provided for in the design

Breakdown of Miscellaneous Weights:
Not available

Ships in Class:
- Atlantic: converted 1942
- Tikhiy: converted 1943

Kola-class, Russian Ice-capable oil tanker laid down 1943

Displacement:
9,492 t light; 10,044 t standard; 26,055 t normal; 38,864 t full load

Dimensions: Length overall / water x beam x draught
557.74 ft / 557.74 ft x 91.86 ft x 25.43 ft (normal load)
170.00 m / 170.00 m x 28.00 m x 7.75 m

Armament:
2 - 5.12" / 130 mm guns (1x2 guns), 79.37lbs / 36.00kg shells, 1943 Model
Dual purpose guns in a deck mount with hoist
on centreline aft
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1943 Model
Anti-aircraft guns in a deck mount with hoist
on side amidships, all raised guns
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1943 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
Weight of broadside 171 lbs / 78 kg
Shells per gun, main battery: 300

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 19,093 shp / 14,243 Kw = 18.00 kts
Range 135,500nm at 12.00 kts
Bunker at max displacement = 28,821 tons

Complement:
205 - 267

Cost:
£2.727 million / $10.909 million

Distribution of weights at normal displacement:
Armament: 18 tons, 0.1 %
Armour: 5 tons, 0.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 5 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 493 tons, 1.9 %
Hull, fittings & equipment: 7,976 tons, 30.6 %
Fuel, ammunition & stores: 16,563 tons, 63.6 %
Miscellaneous weights: 1,000 tons, 3.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
326,814 lbs / 148,240 Kg = 4,875.3 x 5.1 " / 130 mm shells or 31.4 torpedoes
Stability (Unstable if below 1.00): 1.91
Metacentric height 12.5 ft / 3.8 m
Roll period: 10.9 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has raised quarterdeck
Block coefficient: 0.700
Length to Beam Ratio: 6.07 : 1
'Natural speed' for length: 23.62 kts
Power going to wave formation at top speed: 39 %
Trim (Max stability = 0, Max steadiness = 100): 25
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: 36.09 ft / 11.00 m
- Forecastle (20 %): 29.53 ft / 9.00 m
- Mid (50 %): 29.53 ft / 9.00 m
- Quarterdeck (15 %): 32.81 ft / 10.00 m (29.53 ft / 9.00 m before break)
- Stern: 32.81 ft / 10.00 m
- Average freeboard: 30.54 ft / 9.31 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 12.9 %
- Above water (accommodation/working, high = better): 225.3 %
Waterplane Area: 41,067 Square feet or 3,815 Square metres
Displacement factor (Displacement / loading): 1,000 %
Structure weight / hull surface area: 132 lbs/sq ft or 646 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.10
- Longitudinal: 2.62
- Overall: 1.20
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Notes:
Ice-capable oil tanker. Internal fuel for 12,800nm @ 12kts-3,000 tons. Cargo: 1,000 tons cargo-handling equipment, 24,000 tons fuel oil, 1,800 tons aviation fuel.

Ships in Class:
- Kola: Laid down 1943.
- Novaya Zemlya: Laid down 1943.
- Taymyr: Laid down 1945.
- Gusinya Zemlya: Laid down 1945.

Elbrus-class (Project 75), Russian Replenishment Ship laid down 1945

Displacement:
9,962 t light; 10,625 t standard; 31,750 t normal; 48,650 t full load

Dimensions: Length overall / water x beam x draught
656.17 ft / 656.17 ft x 82.02 ft x 34.45 ft (normal load)
200.00 m / 200.00 m x 25.00 m x 10.50 m

Armament:
1 - 5.12" / 130 mm guns in single mounts, 79.37lbs / 36.00kg shells, 1945 Model
Dual purpose gun in a deck mount with hoist
on centreline forward
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1945 Model
Anti-aircraft guns in deck mounts with hoists
on side, all amidships
8 - 0.55" / 14.0 mm guns (4x2 guns), 0.08lbs / 0.04kg shells, 1945 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 92 lbs / 42 kg
Shells per gun, main battery: 500

Machinery:
Oil fired boilers, steam turbines plus diesel motors,
Geared drive, 2 shafts, 28,811 shp / 21,493 Kw = 20.00 kts
Range 100,000nm at 15.00 kts
Bunker at max displacement = 38,024 tons

Complement:
238 - 309 (20% crew, auxiliary)

Cost:
£3.171 million / $12.683 million

Distribution of weights at normal displacement:
Armament: 10 tons, 0.0 %
Machinery: 728 tons, 2.3 %
Hull, fittings & equipment: 6,525 tons, 20.5 %
Fuel, ammunition & stores: 21,788 tons, 68.6 %
Miscellaneous weights: 2,700 tons, 8.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
179,201 lbs / 81,284 Kg = 2,673.3 x 5.1 " / 130 mm shells or 18.0 torpedoes
Stability (Unstable if below 1.00): 1.70
Metacentric height 8.9 ft / 2.7 m
Roll period: 11.6 seconds
Steadiness - As gun platform (Average = 50 %): 82 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.71

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.599
Length to Beam Ratio: 8.00 : 1
'Natural speed' for length: 25.62 kts
Power going to wave formation at top speed: 36 %
Trim (Max stability = 0, Max steadiness = 100): 48
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 8.20 ft / 2.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28.18 ft / 8.59 m
- Forecastle (20 %): 17.95 ft / 5.47 m
- Mid (50 %): 17.95 ft / 5.47 m
- Quarterdeck (15 %): 17.95 ft / 5.47 m
- Stern: 17.95 ft / 5.47 m
- Average freeboard: 18.77 ft / 5.72 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 18.8 %
- Above water (accommodation/working, high = better): 113.1 %
Waterplane Area: 39,340 Square feet or 3,655 Square metres
Displacement factor (Displacement / loading): 750 %
Structure weight / hull surface area: 109 lbs/sq ft or 530 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.15
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Breakdown of Miscellaneous Weights:
Not yet available.

Ships in Class:
- Elbrus: Laid down 1945.
- Krestovsky: Laid down 1945.
- Livadiyskaya: Ordered for 1946.
- Narodnaya: Ordered for 1946.