Archer-class submarine vs Sang-O-class submarine

Archer-class submarine — licensed reference photograph

ASubmarines

Archer-class submarine

Credit

David's World 2011 · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · Source ↗ · Modified

Sang-O-class submarine — licensed reference photograph

BSubmarines

Sang-O-class submarine

Coastal submarine

Credit

Public Affairs, U.S. Forces Korea · Public domain · Resized · Public domain · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Archer-class submarineLength

60.5 m

Length source ↗

Sang-O-class submarineLength

34 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Archer-class submarinelarger figure on 4 of 4

Length+78%
Beam+61%
Complement+87%
Speed+65%

Sang-O-class submarinelarger figure on 0 of 4

None

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

Measured figures

Head to head

15 of 25 rows sourced on both sides

60.5m

34m

Length+78%

All recorded figures & sources

60.5 m

Length

Single source

60.5 m (198 ft 6 in)^[source]

34 m

Length

Single source

34 m (111 ft 7 in)^[source]

6.1m

3.8m

Beam+61%

All recorded figures & sources

6.1 m

Beam

Single source

6.1 m (20 ft 0 in)^[source]

3.8 m

Beam

Single source

3.8 m (12 ft 6 in)^[source]

5.6mDraft

—

Draught

All recorded figures & sources

5.6 m

Draft

Single source

5.6 m (18 ft 4 in)^[source]

1,500tSubmerged

275 tons (surfaced) 370 tons (submerged)

Displacement

All recorded figures & sources

1,500 tonnes

Submerged

Single source

1,400 tonnes

Surfaced

Single source

Surfaced: 1,400 t (1,400 long tons; 1,500 short tons) Submerged: 1,500 t (1,500 long tons; 1,700 short tons)^[source]

275 tons (surfaced) 370 tons (submerged)^[source]

Complement+87%

All recorded figures & sources

28 people

Complement

Single source

28^[source]

15 people

Complement

Single source

15^[source]

28km/hMaximum; Submerged

17km/hMaximum; Submerged

Speed+65%

All recorded figures & sources

28 km/h

Maximum; Submerged

Single source

15 km/h

Maximum; Surfaced

Single source

Surfaced: 8 kn (15 km/h; 9.2 mph) Submerged: 15 kn (28 km/h; 17 mph)^[source]

17 km/h

Maximum; Submerged

Single source

13.9 km/h

Maximum; Surfaced

Single source

7.5 knots (13.9 km/h; 8.6 mph) surfaced 9 knots (17 km/h; 10 mph) submerged^[source]

—

2,800km

Range

All recorded figures & sources

2,800 km

Range

Single source

1,500 nmi (2,800 km; 1,700 mi)^[source]

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

Configuration

Details

Archer-class submarine and Sang-O-class submarine configuration
Specification	Archer-class submarine	Sang-O-class submarine
Builders	Kockums^[source]	Bong Dao Bo Shipyards, Singpo^[source]
Operators	Republic of Singapore Navy^[source]	Korean People's Navy^[source]
Preceded by	Challenger class^[source]	Yugo class^[source]
Succeeded by	Invincible class^[source]	Sinpo class^[source]
Completed	2^[source]	41+^[source]
Active	2^[source]	40 (February 2021)^[source]
Propulsion	2 × Hedemora diesel-electric engines 2 × Kockums v4-275R Sterling AIP units^[source]	Diesel-electric: 1 small diesel, 1 electric motor, 1 shaft^[source]
Sensors & processing systems	FAS^[source]	Radar Civilian Furuno I-band radar Passive RWR/ESM/SIGINT Golf Ball radar Snoop Plate radar Sonar Trout Cheek sonar^[source]
Armament	6 × 533 mm (21 in) torpedo tubes for TP-617 heavy-weight torpedoes and Blackshark torpedoes 3 × 400 mm (16 in) torpedo tubes^[source]	4 × 533 mm (21 in) torpedo tubes fitted with Russian 53-65KE torpedoes Capable of minelaying^[source]
Country of origin	Sweden^[source]	North Korea^[source]
Subclasses	—	Attack version, infiltration/reconnaissance version^[source]
In commission	—	1991^[source]
Lost	—	1 captured by South Korea^[source]
Preserved	—	1^[source]
Type	—	Coastal submarine^[source]
Test depth	—	150 m (490 ft), capable of bottoming^[source]
Capacity	—	0 (10/11 in recce version)^[source]
Notes	—	Fitted with a snorkel^[source]

FORCETALLY

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Archer-class submarine

Sang-O-class submarine

Builders

Kockums^[source]

Bong Dao Bo Shipyards, Singpo^[source]

Operators

Republic of Singapore Navy^[source]

Korean People's Navy^[source]

Preceded by

Challenger class^[source]

Yugo class^[source]

Succeeded by

Invincible class^[source]

Sinpo class^[source]

Completed

2^[source]

41+^[source]

Active

2^[source]

40 (February 2021)^[source]

Propulsion

2 × Hedemora diesel-electric engines 2 × Kockums v4-275R Sterling AIP units^[source]

Diesel-electric: 1 small diesel, 1 electric motor, 1 shaft^[source]

Sensors & processing systems

FAS^[source]

Radar Civilian Furuno I-band radar Passive RWR/ESM/SIGINT Golf Ball radar Snoop Plate radar Sonar Trout Cheek sonar^[source]

Armament

6 × 533 mm (21 in) torpedo tubes for TP-617 heavy-weight torpedoes and Blackshark torpedoes 3 × 400 mm (16 in) torpedo tubes^[source]

4 × 533 mm (21 in) torpedo tubes fitted with Russian 53-65KE torpedoes Capable of minelaying^[source]

Country of origin

Sweden^[source]

North Korea^[source]

Subclasses

—

Attack version, infiltration/reconnaissance version^[source]

In commission

—

1991^[source]

Lost

—

1 captured by South Korea^[source]

Preserved

—

1^[source]

Type

—

Coastal submarine^[source]

Test depth

—

150 m (490 ft), capable of bottoming^[source]

Capacity

—

0 (10/11 in recce version)^[source]

Notes

—

Fitted with a snorkel^[source]