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Son Won-il vs Sōryū

Son Won-il vs Sōryū at a glance — displacement 1,690 vs 2,900 tons, length 65 vs 84 m, speed 12 vs 13 knots, crew 27 vs 65.

Sōryū submarine side profile drawing
🇯🇵 Sōryū
Specifications
Son Won-il Sōryū
Origin 🇩🇪 Germany 🇯🇵 Japan
Category Submarine Submarine
Type Diesel-electric submarine Attack submarine
Manufacturer Howaldtswerke-Deutsche Werft Mitsubishi Heavy Industries
Year introduced 2007 2009
Number built 16 units 12 units
Estimated unit price $330 million $540 million
Displacement 1,690 tons 2,900 tons
Maximum speed 12.0 knots 13.0 knots
Range 12,000 nm 6,100 nm at 6 knots
Length 65.0 m 84.0 m
Beam 6.3 m 9.1 m
Crew 27 65
Max depth 400 m NA
Performance Radar Chart
Armament & Systems
Son Won-il Sōryū
Armament
  • 8 × 533 mm torpedo tubes
  • 4 Sub-Harpoon missile-capable
  • 6 × HU-606 21 in (533 mm) torpedo tubes
  • Type 89 torpedo
  • Harpoon (missile)
  • Mines
Propulsion Diesel–electric, fuel cell AIP, low-noise skew back propeller; 2 × MTU 16V-396 (3.96 MW) diesel engines; 1 × Siemens Permasyn (2.85 MW) electric motor 1-shaft 2× Kawasaki 12V 25/25 SB-type diesel engines, 4× Kawasaki Kockums V4-275R Stirling engines (3,900 hp surfaced, 8,000 hp submerged)
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Frequently Asked Questions

Which has greater displacement, the Son Won-il-class or Sōryū-class?
The Sōryū-class has greater displacement at 2,900 tons compared to the Son Won-il-class's 1,690 tons.
Which is faster, the Son Won-il-class or Sōryū-class?
The Sōryū-class is faster with a maximum speed of 13 knots compared to the Son Won-il-class's 12 knots.
Which has longer range, the Son Won-il-class or Sōryū-class?
The Son Won-il-class has a longer range at 12,000 nautical miles compared to the Sōryū-class's 6,100 nautical miles.
Which is longer, the Son Won-il-class or Sōryū-class?
The Sōryū-class is longer at 84.0 meters compared to the Son Won-il-class's 65.0 meters.
How many crew members do the Son Won-il-class and Sōryū-class have?
The Sōryū-class has a larger crew complement of 65 compared to the Son Won-il-class's 27 crew members.
Which is more expensive, the Son Won-il-class or Sōryū-class?
The Sōryū-class is more expensive at approximately $540 million per unit compared to the Son Won-il-class at $330 million.
Which has been built in greater numbers, the Son Won-il-class or Sōryū-class?
The Son Won-il-class has been built in greater numbers with 16 vessels compared to 12 vessels of the Sōryū-class.