Dosan Ahn Changho vs Romeo
The Dosan Ahn Changho and the Romeo are both Submarine classes. The Dosan Ahn Changho displaces 3,358 tons — 2.3x the Romeo's 1,475 tons. The Dosan Ahn Changho reaches 12 knots vs 15 knots for the Romeo. Operational range is 10,000 nautical miles for the Dosan Ahn Changho vs 9,000 for the Romeo. The Dosan Ahn Changho carries a crew of 50 vs 54 for the Romeo. Submerged displacement is 3,750 tons for the Dosan Ahn Changho vs 1,830 tons for the Romeo. The Dosan Ahn Changho was produced in 3 units vs 133 for the Romeo. The Dosan Ahn Changho was commissioned in 2021, 64 years after the Romeo (1957).
| South Korean submarine, introduced in 2021, utilizes air-independent propulsion from fuel cells. | |
| Origin | 🇰🇷 South Korea |
| Category | Submarine |
| Type | Attack submarine with ballistic missile launching capabilities |
| Manufacturer | Hanwha Ocean |
| Year introduced | 2021 |
| Number built | 3 units |
| Estimated unit price | $900 million |
| Displacement | 3,358 tons ◉ |
| Maximum speed | 12.0 knots ◉ |
| Range | 10,000 nm ◉ |
| Length | 83.5 m ◉ |
| Beam | 9.6 m ◉ |
| Crew | 50 ◉ |
| Propulsion | 3 × MTU 16V396SE84L marine diesel engines; Air-independent propulsion (AIP) 4 × Bumhan Industries PH1 PEM fuel cells, each with 100 kW |
| Armament |
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| Displacement | 1,475 tons ◉ |
| Maximum speed | 15.0 knots ◉ |
| Range | 9,000 nm at 9 knots ◉ |
| Length | 76.6 m ◉ |
| Beam | 6.7 m ◉ |
| Crew | 54 ◉ |
| Propulsion | Two diesels delivering 2.94 MW (4000 shp) with two electric motors driving two shafts. |
| Armament |
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Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Dosan Ahn Changho-class or Romeo-class?
The Dosan Ahn Changho-class has greater displacement at 3,358 tons compared to the Romeo-class's 1,475 tons.
Which is faster, the Dosan Ahn Changho-class or Romeo-class?
The Romeo-class is faster with a maximum speed of 15 knots compared to the Dosan Ahn Changho-class's 12 knots.
Which has longer range, the Dosan Ahn Changho-class or Romeo-class?
The Dosan Ahn Changho-class has a longer range at 10,000 nautical miles compared to the Romeo-class's 9,000 nautical miles.
Which is longer, the Dosan Ahn Changho-class or Romeo-class?
The Dosan Ahn Changho-class is longer at 83.5 meters compared to the Romeo-class's 76.6 meters.
How many crew members do the Dosan Ahn Changho-class and Romeo-class have?
The Romeo-class has a larger crew complement of 54 compared to the Dosan Ahn Changho-class's 50 crew members.
Which has been built in greater numbers, the Dosan Ahn Changho-class or Romeo-class?
The Romeo-class has been built in greater numbers with 133 vessels compared to 3 vessels of the Dosan Ahn Changho-class.