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Sōryū-class submarine

February 23, 2023

The Sōryū-class submarines (16SS) are diesel-electric attack submarines. The first boat in the class entered service with the Japan Maritime Self-Defense Force in 2009. The design is an evolution of the Oyashio-class submarine, from which it can most easily be distinguished by its X-shaped stern combination diving planes and rudders. The Sōryūs have the largest displacement of any submarine used by post-war Japan.[2]

Soryu-class profile
Hakuryū (SS-503) visits Pearl Harbor, Feb 2013
Class overview
NameSōryū
Builders
Operators Japan Maritime Self-Defense Force
Preceded by Oyashio-class submarine
Succeeded by Taigei-class submarine
Built2005 – 2019
In commission2009 – Present
Planned12
Completed12
Active12
General characteristics
TypeAttack submarine
Displacement
  • Surfaced: 2,900 tonnes (2,854 long tons)
  • Submerged: 4,200 t (4,134 long tons)
Length84.0 m (275 ft 7 in)
Beam9.1 m (29 ft 10 in)
Draught8.5 m (27 ft 11 in)
Propulsion
  • 1-shaft 2× Kawasaki 12Ｖ 25/25 SB-type diesel engines diesel-electric
  • 4× Kawasaki Kockums V4-275R Stirling engines - up to Shōryū
  • 3,900 hp (2,900 kW) surfaced
  • 8,000 hp (6,000 kW) submerged
Speed
  • Surfaced: 13 kn (24 km/h; 15 mph)
  • Submerged: 20 kn (37 km/h; 23 mph)[1]
RangeAIP endurance (est.): 6100 nautical miles (11297.2 km; 7060.75 miles) at 6.5 knots (12 km/h; 7.48 mp/h)[1]
Complement65 (9 officers, 56 enlisted)
Sensors and
processing systems
Electronic warfare
& decoys
Armament

It is Japan's first air-independent propulsion submarine. From Sōryū to Shōryū are fitted with Kockums Naval Solutions Stirling engines license-built by Kawasaki Heavy Industries, allowing them to stay submerged for longer periods of time. Furthermore, Ōryū is the world's first lithium-ion battery submarine.[3] The cost of the sixth submarine (Kokuryū) was estimated at 540 million USD.[4]

In 2019, the replacement to the Sōryūs, the Taigei-class submarine,[5] entered the planning phase.[6]

Naming convention

Japanese submarines since World War II were named after ocean currents. The JMSDF changed its naming convention with the Sōryū,[7] and submarines will now be named after mythological creatures. Sōryū (そうりゅう) means blue dragon in Japanese and shares its name with the World War II aircraft carrier Sōryū, sunk during the Battle of Midway.

Variants

The eleventh Sōryū-class submarine (Ōryū) is the first Japanese submarine in the fleet to mount lithium-ion batteries. The JS Ōryū was given a budget of ¥64.3 billion (equivalent to ¥65.55 billion or US$601.3 million in 2019)[8] under the 2015 Japanese Defense Budget.[9]

Lithium-ion batteries have almost double the electric storage capacity of traditional lead-acid batteries, and by not only replacing them in the existing battery storage areas but adding to the already large battery capacity by also filling the huge space (several hundred tons displacement) inside the hull previously occupied by the AIP Stirling engines and their fuel tanks with these new batteries, the amount of (more powerful) batteries carried overall is massive. This has improved the underwater endurance significantly and is felt will be an advantage over the slow recharge capability of the AIP system.

In any event, JMSDF believes that lithium-ion is the way forward and intends to 'trial' this new system and compare it to the previous AIP system for operational effectiveness.

Exports

Japan offered Sōryū-class submarines to Australia as replacements for the Royal Australian Navy's Collins-class submarines, as part of the Collins-class submarine replacement project.[10] On 9 April 2014, then-Australian Minister for Defence, David Johnston, described the Sōryū class as "extremely impressive"[11] while discussing Australia's future submarine options. On 26 April 2016, Australian Prime Minister Malcolm Turnbull announced that the Australian contract had been awarded to the French-designed Shortfin Barracuda,[12] though this deal was eventually rescinded.

India, Morocco, Norway, Netherlands, and Taiwan have also approached Japan, and expressed an interest in buying Sōryū-class submarines. During a visit to Japan, India's then-Union Minister of Defence, Manohar Parrikar, invited the Japanese government to participate in their USD$8.1 billion Project 75I-class submarine procurement program.[13]

 
Zuiryū (SS-505) under construction
 
Hakuryū (SS-503) visiting Guam in 2013

Boats

Project no. Building no. Pennant no. Name Japanese Namesake Laid down Launched Commissioned Home port Notes
S131 8116 SS-501 Sōryū そうりゅう Blue Dragon 31 March 2005 5 December 2007 30 March 2009 Kure
8117 SS-502 Unryū うんりゅう Cloud Dragon 31 March 2006 15 October 2008 25 March 2010[14] Kure These five submarines are equipped with a new sonar ZQQ-7B.
8118 SS-503 Hakuryū はくりゅう White Dragon 6 February 2007 16 October 2009 14 March 2011 Kure
8119 SS-504 Kenryū けんりゅう Sword Dragon 31 March 2008 15 November 2010 16 March 2012 Kure
8120 SS-505 Zuiryū ずいりゅう Auspicious Dragon 16 March 2009 20 October 2011 6 March 2013 Yokosuka
8121 SS-506 Kokuryū こくりゅう Black Dragon 21 January 2011 31 October 2013 9 March 2015 Yokosuka
8122 SS-507 Jinryū じんりゅう Benevolent Dragon 14 February 2012 8 October 2014 7 March 2016 Kure This submarine is equipped with a new sonar ZQQ-7B and a new satellite communication device.
8123 SS-508 Sekiryū せきりゅう Red Dragon 15 March 2013 2 November 2015 13 March 2017[15] Kure This submarine is equipped with a new sonar ZQQ-7B, a new satellite communication device and new torpedo counter measures.
8124 SS-509 Seiryū せいりゅう Pure Dragon 22 October 2013 12 October 2016 12 March 2018 Yokosuka
8125 SS-510 Shōryū しょうりゅう Soaring Dragon 28 January 2015 6 November 2017 18 March 2019 Kure
8126 SS-511 Ōryū おうりゅう Phoenix Dragon 16 November 2015 4 October 2018 5 March 2020 Kure These two submarines utilize Li-ion battery propulsion technology
8127 SS-512 Tōryū とうりゅう Fighting Dragon 27 January 2017 6 November 2019 24 March 2021 Yokosuka

See also

Submarines of similar comparison

References

  1. ^ a b Pike, John. "SS-501 Soryu / 16SS / SS 2,900 ton Class". www.globalsecurity.org. from the original on 2016-03-05. Retrieved 2012-07-11.
  2. ^ "SS Soryu Class Submarines". Naval Technology. 2017-09-03. from the original on 2018-07-19. Retrieved 2018-07-19.
  3. ^ Japan commissions first Soryu-class submarine equipped with lithium-ion batteries Jane's, 05 March 2020
  4. ^ "Japan launches newest submarine Kokuryu amid party atmosphere". The Japan Daily Press. 2013-11-04. from the original on 2013-11-08. Retrieved 2013-12-14.
  5. ^ Mizokami, Kyle (2019-06-25). "Taking a Closer Look at Japan's Futuristic Attack Submarine". Popular Mechanics. Hearst Digital Media.
  6. ^ Roblin, Sebastien (2019-11-07). "Meet the 29SS: Japan's New Stealth Submarine". The National Interest.
  7. ^ 海上自衛隊訓令第３０号 2011-07-22 at the Wayback Machine, Japan Maritime Self Defense Force
  8. ^ 1868 to 1938: Williamson J., Nominal Wage, Cost of Living, Real Wage and Land Rent Data for Japan 1831-1938, 1939 to 1945: Bank of Japan Historical Statistics Afterwards, Japanese Historical Consumer Price Index numbers based on data available from the Japanese Statistics Bureau. Japan Historical Consumer Price Index (CPI) – 1970 to 2014 Retrieved 30 July 2014. For between 1946 and 1970, from "昭和戦後史". Retrieved 2015-01-24.
  9. ^ "Japanese Ministry of Defense website, 2015 Defense Budget" (PDF). (PDF) from the original on 2016-03-04. Retrieved 2015-05-09.
  10. ^ "Japanese Media Now Openly Talking about Japan-Australia Soryu Deal". Asia Security Watch. from the original on 25 February 2013. Retrieved 15 May 2016.
  11. ^ "Government struggling to find replacement design for Collins Class subs: Defence Minister". ABC News. from the original on 23 March 2016. Retrieved 15 May 2016.
  12. ^ "France wins $50b contract to help build Australia's new submarines". The Age. from the original on 31 May 2016. Retrieved 15 May 2016.
  13. ^ . Archived from the original on 2015-01-31. Retrieved 2015-04-03.
  14. ^ "Submarine Unryu Delivered". Kawasaki Heavy Industries, Ltd. 2010-03-25. Retrieved 2010-02-14.[dead link]
  15. ^ Japan receives Soryu-class attack submarine 2017-04-24 at the Wayback Machine, Brahmand.com, 2017-03-16, accessed 2017-04-24

External links

 
Wikimedia Commons has media related to Sōryū class submarines.
  • Japanese website with Diagram
  • Globalsecurity.org
  • Military-today.com
  • Soryu Class 16SS SSK Submarine - Japan Maritime Self-Defense Force on navyrecognition.com
    • Sōryū class Image Gallery
  • Website on the Imperial Japanese Navy: JMSDF vessels
  • SWZmaritime December 2020, Japan special


February 23, 2023
sōryū, class, submarine, 16ss, diesel, electric, attack, submarines, first, boat, class, entered, service, with, japan, maritime, self, defense, force, 2009, design, evolution, oyashio, class, submarine, from, which, most, easily, distinguished, shaped, stern,. The Sōryu class submarines 16SS are diesel electric attack submarines The first boat in the class entered service with the Japan Maritime Self Defense Force in 2009 The design is an evolution of the Oyashio class submarine from which it can most easily be distinguished by its X shaped stern combination diving planes and rudders The Sōryus have the largest displacement of any submarine used by post war Japan 2 Soryu class profileHakuryu SS 503 visits Pearl Harbor Feb 2013Class overviewNameSōryuBuildersMitsubishi Heavy Industries Kawasaki Shipbuilding CorporationOperators Japan Maritime Self Defense ForcePreceded byOyashio class submarineSucceeded byTaigei class submarineBuilt2005 2019In commission2009 PresentPlanned12Completed12Active12General characteristicsTypeAttack submarineDisplacementSurfaced 2 900 tonnes 2 854 long tons Submerged 4 200 t 4 134 long tons Length84 0 m 275 ft 7 in Beam9 1 m 29 ft 10 in Draught8 5 m 27 ft 11 in Propulsion1 shaft 2 Kawasaki 12Ｖ 25 25 SB type diesel engines diesel electric 4 Kawasaki Kockums V4 275R Stirling engines up to Shōryu 3 900 hp 2 900 kW surfaced 8 000 hp 6 000 kW submergedSpeedSurfaced 13 kn 24 km h 15 mph Submerged 20 kn 37 km h 23 mph 1 RangeAIP endurance est 6100 nautical miles 11297 2 km 7060 75 miles at 6 5 knots 12 km h 7 48 mp h 1 Complement65 9 officers 56 enlisted Sensors and processing systemsZPS 6F surface low level air search radar Hughes Oki ZQQ 7 Sonar suite 1 bow array 4 LF flank arrays and 1 Towed array sonarElectronic warfare amp decoysZLR 3 6 ESM equipment 2 3 inch underwater countermeasure launcher tubes for launching of Acoustic Device Countermeasures ADCs Armament6 HU 606 21 in 533 mm torpedo tubes with 30 reloads citation needed for 1 Type 89 torpedo 2 Harpoon missile MinesIt is Japan s first air independent propulsion submarine From Sōryu to Shōryu are fitted with Kockums Naval Solutions Stirling engines license built by Kawasaki Heavy Industries allowing them to stay submerged for longer periods of time Furthermore Ōryu is the world s first lithium ion battery submarine 3 The cost of the sixth submarine Kokuryu was estimated at 540 million USD 4 In 2019 the replacement to the Sōryus the Taigei class submarine 5 entered the planning phase 6 Contents 1 Naming convention 2 Variants 3 Exports 4 Boats 5 See also 6 References 7 External linksNaming convention EditJapanese submarines since World War II were named after ocean currents The JMSDF changed its naming convention with the Sōryu 7 and submarines will now be named after mythological creatures Sōryu そうりゅう means blue dragon in Japanese and shares its name with the World War II aircraft carrier Sōryu sunk during the Battle of Midway Variants EditThe eleventh Sōryu class submarine Ōryu is the first Japanese submarine in the fleet to mount lithium ion batteries The JS Ōryu was given a budget of 64 3 billion equivalent to 65 55 billion or US 601 3 million in 2019 8 under the 2015 Japanese Defense Budget 9 Lithium ion batteries have almost double the electric storage capacity of traditional lead acid batteries and by not only replacing them in the existing battery storage areas but adding to the already large battery capacity by also filling the huge space several hundred tons displacement inside the hull previously occupied by the AIP Stirling engines and their fuel tanks with these new batteries the amount of more powerful batteries carried overall is massive This has improved the underwater endurance significantly and is felt will be an advantage over the slow recharge capability of the AIP system In any event JMSDF believes that lithium ion is the way forward and intends to trial this new system and compare it to the previous AIP system for operational effectiveness Exports EditJapan offered Sōryu class submarines to Australia as replacements for the Royal Australian Navy s Collins class submarines as part of the Collins class submarine replacement project 10 On 9 April 2014 then Australian Minister for Defence David Johnston described the Sōryu class as extremely impressive 11 while discussing Australia s future submarine options On 26 April 2016 Australian Prime Minister Malcolm Turnbull announced that the Australian contract had been awarded to the French designed Shortfin Barracuda 12 though this deal was eventually rescinded India Morocco Norway Netherlands and Taiwan have also approached Japan and expressed an interest in buying Sōryu class submarines During a visit to Japan India s then Union Minister of Defence Manohar Parrikar invited the Japanese government to participate in their USD 8 1 billion Project 75I class submarine procurement program 13 Zuiryu SS 505 under construction Hakuryu SS 503 visiting Guam in 2013Boats EditProject no Building no Pennant no Name Japanese Namesake Laid down Launched Commissioned Home port NotesS131 8116 SS 501 Sōryu そうりゅう Blue Dragon 31 March 2005 5 December 2007 30 March 2009 Kure8117 SS 502 Unryu うんりゅう Cloud Dragon 31 March 2006 15 October 2008 25 March 2010 14 Kure These five submarines are equipped with a new sonar ZQQ 7B 8118 SS 503 Hakuryu はくりゅう White Dragon 6 February 2007 16 October 2009 14 March 2011 Kure8119 SS 504 Kenryu けんりゅう Sword Dragon 31 March 2008 15 November 2010 16 March 2012 Kure8120 SS 505 Zuiryu ずいりゅう Auspicious Dragon 16 March 2009 20 October 2011 6 March 2013 Yokosuka8121 SS 506 Kokuryu こくりゅう Black Dragon 21 January 2011 31 October 2013 9 March 2015 Yokosuka8122 SS 507 Jinryu じんりゅう Benevolent Dragon 14 February 2012 8 October 2014 7 March 2016 Kure This submarine is equipped with a new sonar ZQQ 7B and a new satellite communication device 8123 SS 508 Sekiryu せきりゅう Red Dragon 15 March 2013 2 November 2015 13 March 2017 15 Kure This submarine is equipped with a new sonar ZQQ 7B a new satellite communication device and new torpedo counter measures 8124 SS 509 Seiryu せいりゅう Pure Dragon 22 October 2013 12 October 2016 12 March 2018 Yokosuka8125 SS 510 Shōryu しょうりゅう Soaring Dragon 28 January 2015 6 November 2017 18 March 2019 Kure8126 SS 511 Ōryu おうりゅう Phoenix Dragon 16 November 2015 4 October 2018 5 March 2020 Kure These two submarines utilize Li ion battery propulsion technology8127 SS 512 Tōryu とうりゅう Fighting Dragon 27 January 2017 6 November 2019 24 March 2021 YokosukaSee also EditList of submarine classes in serviceSubmarines of similar comparison Type 212 submarine A class of diesel electric attack submarines developed by ThyssenKrupp Marine Systems and exclusively built for the German Navy the Italian Navy and the Royal Norwegian Navy Type 214 submarine A class of export oriented diesel electric attack submarines also developed by ThyssenKrupp Marine Systems and currently operated by the Hellenic Navy the Portuguese Navy the Republic of Korea Navy and the Turkish Naval Forces Type 218SG submarine A class of extensively customised diesel electric attack submarines developed ThyssenKrupp Marine Systems and currently operated by the Republic of Singapore Navy Dolphin class submarine A class of extensively customised diesel electric attack submarines developed by ThyssenKrupp Marine Systems and currently operated by Israel Dakar class submarine A unique class of diesel electric attack submarines developed by ThyssenKrupp Marine Systems and currently being built for Israel Scorpene class submarine A class of export oriented diesel electric attack submarines jointly developed by Naval Group and Navantia and currently operated by the Chilean Navy the Royal Malaysian Navy the Indian Navy and the Brazilian Navy S 80 Plus submarine A class of conventionally powered attack submarines currently being built by Navantia for the Spanish Navy Blekinge class submarine is a class of submarine developed by Kockums for the Swedish Navy KSS III submarine A class of diesel electric attack submarines built by Daewoo Shipbuilding amp Marine Engineering and Hyundai Heavy Industries and operated by the Republic of Korea Navy Taigei class submarine A class of diesel electric attack submarines currently being built by Mitsubishi Heavy Industries and Kawasaki Heavy Industries for the Japan Maritime Self Defense Force Type 039A submarine A class of diesel electric attack submarines operated by the People s Liberation Army Navy China and being built for the navies of the Royal Thai Navy and the Pakistan Navy Lada class submarine A class of diesel electric attack submarines being built for the Russian Navy References Edit a b Pike John SS 501 Soryu 16SS SS 2 900 ton Class www globalsecurity org Archived from the original on 2016 03 05 Retrieved 2012 07 11 SS Soryu Class Submarines Naval Technology 2017 09 03 Archived from the original on 2018 07 19 Retrieved 2018 07 19 Japan commissions first Soryu class submarine equipped with lithium ion batteries Jane s 05 March 2020 Japan launches newest submarine Kokuryu amid party atmosphere The Japan Daily Press 2013 11 04 Archived from the original on 2013 11 08 Retrieved 2013 12 14 Mizokami Kyle 2019 06 25 Taking a Closer Look at Japan s Futuristic Attack Submarine Popular Mechanics Hearst Digital Media Roblin Sebastien 2019 11 07 Meet the 29SS Japan s New Stealth Submarine The National Interest 海上自衛隊訓令第３０号 Archived 2011 07 22 at the Wayback Machine Japan Maritime Self Defense Force 1868 to 1938 Williamson J Nominal Wage Cost of Living Real Wage and Land Rent Data for Japan 1831 1938 1939 to 1945 Bank of Japan Historical Statistics Afterwards Japanese Historical Consumer Price Index numbers based on data available from the Japanese Statistics Bureau Japan Historical Consumer Price Index CPI 1970 to 2014 Retrieved 30 July 2014 For between 1946 and 1970 from 昭和戦後史 Retrieved 2015 01 24 Japanese Ministry of Defense website 2015 Defense Budget PDF Archived PDF from the original on 2016 03 04 Retrieved 2015 05 09 Japanese Media Now Openly Talking about Japan Australia Soryu Deal Asia Security Watch Archived from the original on 25 February 2013 Retrieved 15 May 2016 Government struggling to find replacement design for Collins Class subs Defence Minister ABC News Archived from the original on 23 March 2016 Retrieved 15 May 2016 France wins 50b contract to help build Australia s new submarines The Age Archived from the original on 31 May 2016 Retrieved 15 May 2016 India asks Japan to offer Soryu subs for Project 75I requirement IHS Jane s 360 Archived from the original on 2015 01 31 Retrieved 2015 04 03 Submarine Unryu Delivered Kawasaki Heavy Industries Ltd 2010 03 25 Retrieved 2010 02 14 dead link Japan receives Soryu class attack submarine Archived 2017 04 24 at the Wayback Machine Brahmand com 2017 03 16 accessed 2017 04 24External links Edit Wikimedia Commons has media related to Sōryu class submarines Japanese website with Diagram Globalsecurity org Military today com Soryu Class 16SS SSK Submarine Japan Maritime Self Defense Force on navyrecognition com Sōryu class Image Gallery Website on the Imperial Japanese Navy JMSDF vessels SWZmaritime December 2020 Japan special Retrieved from https en wikipedia org w index php title Sōryu class submarine amp oldid 1115850968, wikipedia, wiki, book, books, library,

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