Japan's MHI opens Australian unit as Canberra ponders subs deal
From Wikipedia, the free encyclopedia
The Sōryū-class submarines (16SS) are diesel-electricattack submarines that 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 tail planes. The Sōryūs have the largest displacement of any submarine used by post-war Japan.
It is Japan's first air-independent propulsion submarine. The class are fitted with KockumsStirling engines license-built by Kawasaki Heavy Industries, allowing them to stay submerged for longer periods of time. Some recent information suggest that the last units in the series will have their air independent propulsion systems replaced with banks of Li-Ion batteries.
The cost of the sixth submarine (Kokuryū) was estimated at 540 million USD. The 11th Soryu class submarine, with improved underwater endurance, etc. compared with the existing Soryu-class submarines by mounting lithium-ion batteries, was given a budget of ¥64.3 billion/US$536.7 million under the 2015 Japanese Defense Budget.
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