#Soryu-clas

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Japan Commissions 10th Soryu-Class Diesel-Electric Attack Submarine

The Japan Maritime Self Protection Force��s most recent diesel-electrical assault submarine was commissioned on March 18.

The Japan Maritime Self-Protection Power (JMSDF) commissioned its tenth Soryu-class diesel-electric powered assault submarine (SSK), the JS Shuriyu, through an formal ceremony that took position at the Kawasaki Heavy Industries (KHI) shipyard in Kobe in Hyogo Prefecture on March 18, KHI explained in a assertion. The new SSK was officially inducted into the JMSDF’s Submarine Flotilla 1, centered in Kure, Hiroshima prefecture.

The commissioning ceremony was attended by senior Ministry of Defense officials, substantial-ranking JMSDF officers, and protection market representatives. The Shuriyu was laid down in January 2015 and launched in November 2017. It is the fifth Soryu-class attack sub to be designed by KHI and the 28th boat in general produced by the shipbuilder given that the close of Planet War II. Total construction costs of the new submarine are approximated at 53-56 billion yen ($496-502 million).

The JMSDF programs to commission two additional submarines of the course in 2020 and 2021 respectively, which will carry the whole range of Soryu-course SSKs to 12. Notably, the first Soryu-course SSK fitted with lithium-ion batteries, the potential JS Oryu, was launched in Oct 2018. The ninth Soryu-class SSK, the JS Seiryu, was commissioned in March 2018. The Seiryu was designed by Mitsubishi Major Industries (MHI). It is the fifth Soryu-class and the 27th SSK built overall by MHI since 1945.

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As I explained previously:

The 4,200-ton (submerged) Soryu-course boats are the JMSDF’s very first SSKs to be fitted with air-unbiased propulsion (AIP) units, enabling the submarines to keep underwater for up to two weeks. (…) In 2015, Japan’s Ministry of Defense (MoD) introduced that it intends to equip the last two boats of the class with lithium-ion batteries. (According to some studies, the other boats of the course will be retrofitted with the batteries as perfectly.)

Soryu-class SSKs are powered by two Kawasaki 12V 25/25 SB-variety diesel engines and four Kawasaki Kockums V4-275R Stirling AIP engines for silent managing. The boats have an estimated range of 6,100 nautical miles (11,297 kilometers) with a utmost floor speed of 13 knots and a subsurface travelling velocity of 20 knots. The highest diving depth of the sub is close to 650 meters.

The Soryu-class is equipped with six HU-606 533 mm torpedo tubes that can accommodate Kind 89 heavyweight homing torpedoes and UGM-84 Harpoon anti-ship missiles. Upcoming to bow-and-flank-mounted Hughes/Oki ZQQ-7 sonar arrays, the sub is also geared up with a towed array sonar capable of detecting ships more than 70 kilometers away.

Additionally, I noted:

The Soryu-class boats’ hydrodynamic design is based on the older Oyashio-class diesel-electric assault submarines at this time in assistance with the JMSDF. It is (…)  equipped with a laptop or computer-managed, Swedish-designed X rudder to improve the submarine’s maneuverability when working in shallow waters close to the seabed.

It is also noteworthy that crew aboard a Soryu-class SSK is more compact than on previous JMSDF subs and usually is composed of nine officers and 56 sailors.

The post Japan Commissions 10th Soryu-Class Diesel-Electric Attack Submarine appeared first on Defence Online.

from WordPress https://defenceonline.com/2019/03/26/japan-commissions-10th-soryu-class-diesel-electric-attack-submarine/

[whittlebaggett8]

Japan to Commission 10th Soryu-Class Attack Sub This Month

The Japan Maritime Self-Defense Force’s most up-to-date diesel-electric powered assault submarine will be commissioned on March 18.

The Japan Maritime Self-Protection Force (JMSDF) will fee its tenth Soryu-class diesel-electrical assault submarine (SSK) for the duration of an official ceremony to be held at the Kawasaki Significant Industries (KHI) shipyard in Kobe in Hyogo Prefecture on March 18, the provider announced in a assertion.

The new SSK, the long run JS Shuriyu, was laid down in January 2015 and launched in November 2017. It is the fifth Soryu-course SSK constructed by KHI and the 28th boat general manufactured by the shipbuilder given that 1945. Two additional SSKs are anticipated to be commissioned in 2020 and 2021 respectively, which will bring the overall number of Soryu-course boats to 12.

The ninth Soryu-class SSK, the JS Seiryu, was commissioned in March 2018. The boat was built by Mitsubishi Hefty Industries (MHI) and is the fifth Soryu-class and the 27th SSK built over-all by MHI since the stop of Entire world War II. The future Shuriyu and the Seiryu every cost all over 53 billion yen ($496 million) to constructed.

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The Soryu class is considered to be one particular of the most highly developed SSKs currently in services with any Navy in the world. As I explained previously:

The 4,200-ton (submerged) Soryu-course boats are the JMSDF’s initial SSKs to be fitted with air-impartial propulsion (AIP) programs, enabling the submarines to stay underwater for up to two months. (…) In 2015, Japan’s Ministry of Defense (MoD) announced that it intends to equip the final two boats of the class with lithium-ion batteries. (In accordance to some experiences, the other boats of the course will be retrofitted with the batteries as effectively.)

Soryu-course SSKs are driven by two Kawasaki 12V 25/25 SB-kind diesel engines and 4 Kawasaki Kockums V4-275R Stirling AIP engines for silent jogging. The boats have an approximated selection of 6,100 nautical miles (11,297 kilometers) with a maximum surface area speed of 13 knots and a subsurface travelling pace of 20 knots. The optimum diving depth of the sub is about 650 meters.

The Soryu-class is fitted with 6 HU-606 533 mm torpedo tubes that can accommodate Type 89 heavyweight homing torpedoes and UGM-84 Harpoon anti-ship missiles. Subsequent to bow-and-flank-mounted Hughes/Oki ZQQ-7 sonar arrays, the sub is also geared up with a towed array sonar capable of detecting ships around 70 kilometers away.

As a end result of the Soryu-class SSKs’ substantial diploma of automation, the boat’s crew is more compact than on earlier JMSDF subs and consists of 9 officers and 56 sailors.

Furthermore, I noted:

The Soryu-class boats’ hydrodynamic design is dependent on the older Oyashio-class diesel-electric powered assault submarines at the moment in company with the JMSDF. It is (…)  equipped with a laptop-managed, Swedish-developed X rudder to increase the submarine’s maneuverability when running in shallow waters close to the seabed.

Notably, the 1st Soryu-course SSK fitted with lithium-ion batteries, the long term JS Oryu, was introduced in Oct 2018.

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