Akademik Shuleykin-class research vessel vs Akar-class replenishment oiler

ANaval support & landing craft

Akademik Shuleykin-class research vessel

Ice-strengthened research vessels

Akar-class replenishment oiler — licensed reference photograph

BNaval support & landing craft

Akar-class replenishment oiler

Replenishment oiler

Credit

Diego Quevedo Carmona · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Akademik Shuleykin-class research vesselLength

71.6 m

Length source ↗

Akar-class replenishment oilerLength

145.1 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Akademik Shuleykin-class research vessellarger figure on 0 of 3

None

Akar-class replenishment oilerlarger figure on 3 of 3

Length+103%
Beam+78%
Speed+33%

Counts only measures both sources give with the same scope. A larger figure is not a better system.

Measured figures

Head to head

11 of 24 rows sourced on both sides

71.6m

145m

Length+103%

All recorded figures & sources

71.6 m

Length

Single source

71.6 m (234 ft 11 in)^[source]

145.1 m

Length

Single source

145.1 m (476 ft 1 in)^[source]

12.8m

22.8m

Beam+78%

All recorded figures & sources

12.8 m

Beam

Single source

12.8 m (42 ft 0 in)^[source]

22.8 m

Beam

Single source

22.8 m (74 ft 10 in)^[source]

4.5mDraft

8.4m

Draught

All recorded figures & sources

4.5 m

Draft

Single source

4.5 m (14 ft 9 in)^[source]

8.4 m

Draught

Single source

8.4 m (27 ft 7 in)^[source]

2,140t

19,350tfull load

Displacement

All recorded figures & sources

2,140 tonnes

Displacement

Single source

2,140 t (2,110 long tons)^[source]

19,350 tonnes

full load

Single source

19,350 t (19,040 long tons ) (full load)^[source]

—

203

Complement

All recorded figures & sources

203 people

Complement

Single source

203^[source]

19–26km/hMaximum; Speed

30km/hMaximum; Speed

Speed

All recorded figures & sources

19–26 km/h

Maximum; Speed

Single source

10–14 knots (19–26 km/h; 12–16 mph)^[source]

30 km/h

Maximum; Speed

Single source

16 knots (30 km/h; 18 mph)^[source]

—

11,000kmat 14 knots (26 km/h; 16 mph)

Range

All recorded figures & sources

11,000 km

at 14 knots (26 km/h; 16 mph)

Single source

6,000 nmi (11,000 km; 6,900 mi) at 14 knots (26 km/h; 16 mph)^[source]

Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.

Configuration

Details

Akademik Shuleykin-class research vessel and Akar-class replenishment oiler configuration
Specification	Akademik Shuleykin-class research vessel	Akar-class replenishment oiler
Power	2 × diesel engines, 3,120 hp (2,330 kW)^[source]	4,847 kW (6,500 hp) diesel engine, one shaft.^[source]
Name	Akademik Shuleykin class (Project 637)^[source]	Akar^[source]
Builders	Valmetin Laivateollisuus Oy , Turku , Finland^[source]	—
Operators	Soviet Navy Swedish Navy^[source]	Turkish Navy^[source]
Completed	10^[source]	2^[source]
Active	9^[source]	2^[source]
Scrapped	1^[source]	—
Type	Ice-strengthened research vessels^[source]	Replenishment oiler^[source]
Tonnage	1,753 GRT^[source]	—
Depth	6.45 m (21 ft 2 in)^[source]	—
Endurance	70 days^[source]	—
Built	—	1987–1995^[source]
Sensors & processing systems	—	AN/SPG-34 fire-control radar^[source]
Armament	—	2 Bofors 40 mm L/70 guns 1 Mk 15 Phalanx CIWS^[source]
Aviation facilities	—	Aft helicopter pad^[source]
Country of origin	—	Turkey^[source]Akar class · explicit construction country for both ships; not inferred from operating navy or yard address
Manufacturer	—	Gölcük Naval Shipyard^[source]Akar class · Akar built byGölcükNavalShipyard; YarbayKudretGüngör built bySedefShipyard; separate named class members Sedef Shipyard^[source]Akar class · Akar built byGölcükNavalShipyard; YarbayKudretGüngör built bySedefShipyard; separate named class members Gölcük Naval Shipyard^[source]Akar class · Akar A-580 original construction Sedef Shipyard^[source]Akar class · Yarbay Kudret Güngör A-595 original construction

FORCETALLY

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Akademik Shuleykin-class research vessel

Akar-class replenishment oiler

Power

2 × diesel engines, 3,120 hp (2,330 kW)^[source]

4,847 kW (6,500 hp) diesel engine, one shaft.^[source]

Name

Akademik Shuleykin class (Project 637)^[source]

Akar^[source]

Builders

Valmetin Laivateollisuus Oy , Turku , Finland^[source]

—

Operators

Soviet Navy Swedish Navy^[source]

Turkish Navy^[source]

Completed

10^[source]

Active

Scrapped

—

Type

Ice-strengthened research vessels^[source]

Replenishment oiler^[source]

Tonnage

1,753 GRT^[source]

—

Depth

6.45 m (21 ft 2 in)^[source]

—

Endurance

70 days^[source]

—

Built

—

1987–1995^[source]

Sensors & processing systems

—

AN/SPG-34 fire-control radar^[source]

Armament

—

2 Bofors 40 mm L/70 guns 1 Mk 15 Phalanx CIWS^[source]

Aviation facilities

—

Aft helicopter pad^[source]

Country of origin

—

Turkey^[source]Akar class · explicit construction country for both ships; not inferred from operating navy or yard address

Manufacturer

—

Gölcük Naval Shipyard^[source]Akar class · Akar built byGölcükNavalShipyard; YarbayKudretGüngör built bySedefShipyard; separate named class members

Sedef Shipyard^[source]Akar class · Akar built byGölcükNavalShipyard; YarbayKudretGüngör built bySedefShipyard; separate named class members

Gölcük Naval Shipyard^[source]Akar class · Akar A-580 original construction

Sedef Shipyard^[source]Akar class · Yarbay Kudret Güngör A-595 original construction