RSS Invincible

RSS Invincible is the lead ship of the Invincible-class submarine. She was launched on 18 February 2019 in Kiel, Germany. While her hull number and commissioning date are unknown as of the making of this article.[1]

RSS Invincible
RSS Invincible in drydock of the TKMS yard in Germany.
History
Singapore
Name: RSS Invincible
Namesake: Invincible
Ordered: 2017
Builder: ThyssenKrupp Marine Systems, Kiel, Germany
Cost: $900 Million
Launched: 18 February 2019
Acquired: Expected 2022
General characteristics
Class and type: Invincible-class submarine
Type: Type 218SG Submarine
Displacement: 2,200 tonnes (2,200 long tons; 2,400 short tons) submerged, 2,000 tonnes (2,000 long tons; 2,200 short tons) tonnes surfaced
Length: 70 m (229 ft 8 in)
Beam: 6.3 m (20 ft 8 in)
Installed power: 2x120kW PEM fuel cells
Propulsion: Air-independent propulsion
Speed:

15 knots (28 km/h; 17 mph) (Submerged)

10 knots (19 km/h; 12 mph) (Surfaced)
Crew: 28
Armament: 8 torpedo tubes
Notes: Tomahawks missiles capability

Design

The customised design is oceangoing and larger than the Challenger-class and Archer-class submarines operated by the Singapore Navy. The design is expected to be influenced by the export Type 214 submarine or Type 216 submarine, which have been designed for the potential needs of several other navies (Australian, Canadian and Indian).[2][3] Features will include AIP and a combat system designed by both Atlas Elektronik and ST Electronics. The Invincible class also features an "X" rudder "which offers enhanced manoeuvrability in confined littoral waters, as opposed to the Type 214's cruciform rudder arrangement."

Type 218SG Republic of Singapore Navy Invincible-class submarine rendering.

The X rudder is used on the Type 212 submarine and its larger and newer derivative, the Dolphin 2 submarine built for the Israeli Navy which is almost identical in size to the Invincible-class submarine (Israel and Singapore have extensive military ties and frequently procure the same weapon systems).

They are believed to have Horizontal Multi-Purpose Airlock, which can be used to launch either torpedoes, divers, or special forces assault teams, and also have the capability to launch cruise-missiles while submerged[4] with an option for Vertical Multi-Purpose Airlock, for launching missile vertically, like the Tomahawk or Naval Strike Missile[5]

References
  1. hermesauto (2019-02-18). "Invincible, first of Singapore's biggest and most advanced submarines, launches in Germany". The Straits Times. Retrieved 2020-07-27.
  2. Singapore: German Subs’ Strategic Value
  3. Singapore Buys New Class of German Attack Submarines
  4. Roblin, Sebastien (2017-06-06). "Why Germany's New Super Stealth Submarines Could Take on Any Navy". The National Interest. Retrieved 2020-02-25.
  5. Pete (2019-02-22). "Submarine Matters: What Singapore's Type 218SG Submarines Might Be Used For (Part 2)". Submarine Matters. Retrieved 2020-02-25.
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