Category: Air Independent Propulsion

Naval Group withdraws from India's P75i AIP submarine competition

Until recently, Naval Group was considered one of the favorites of the P75i competition launched in 2017 by New Delhi with a view to designing and locally building 6 new attack submarines equipped with an anaerobic propulsion system. , designated by the English acronym AIP for Air Independent Propulsion. The French specialist in military ships and submarines could indeed rely on the previous P75 program, launched in 1999, based on the Scorpene submarine, and whose 6th and last unit was launched this Wednesday April 20. After a rocky start, as is often the case in India, the program has come…

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China offers Thailand 2 Type 039 Song submarines as standby solution

In 2016, following an international competition, the Thai authorities chose the Chinese S-26T submarine, derived from the Yuan-class Type 039A, to constitute the country's submarine force, of which the powerful Royal Thai Navy is so far lacking. In addition to satisfactory performance and reliable anaerobic propulsion, the Chinese offer was based on a sizeable advantage, a unit price of only $460 million, half that of its competitors with the highest bids. However, in its proposal, Beijing had included European equipment, in particular German turbines built by MTU, without having taken the precaution of asking the German engine manufacturer for authorization in advance.…

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A new model of Chinese submarine makes its appearance

Like Russia, China is developing a mixed submarine fleet, simultaneously composed of nuclear-powered submersibles and conventionally powered ships. Today, this conventional fleet is mainly composed of Type 039 submarines, forming the Song classes (Type 039, 13 units) and the Yuan class, this time integrating anaerobic propulsion AIP, and broken down into 3 Type subclasses 039A/B/C. According to Beijing's official planning, the Chinese naval forces will have 42 Yuan-class submarines by 2025, for a conventional submarine fleet of about XNUMX units. However, monitoring the constitution of this Chinese submarine fleet is…

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Indian submarines: the competition not to be missed for Naval Group

After the withdrawal of Kockums and its A26 Océanique submarine at the start of 2020, it is now the turn of the German TKMS and its Type 214 to throw in the towel in the Indian competition P75i which aims to build 6 ocean-going AIP anaerobic-powered submarines in the country's shipyards, with an important dimension of technology transfer. There are still 4 manufacturers involved in this competition: the Spanish Navantia with the S-80 Plus, the South Korean Huyndaï with the DSME-3000 derived from the Dosan Ahn Changho class, the Russian Rubin with the Amur class, and the SMX 3.0 from the French Naval Group, derived from…

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Japan, India .. Has the nuclear submarine race in the Pacific started?

The day after the announcement of the creation of the AUKUS alliance bringing together the United States, the United Kingdom and Australia, and the order by the latter of nuclear attack submarines to the detriment of submarines conventionally powered Shortfin Barracuda ordered from Naval Group, we headlined "In Australia, Joe Biden opens a very dangerous Pandora's box", an analysis of the risk of seeing, with this maneuver, many countries absolve themselves of the agreement tacit agreement which hitherto prevented the 5 major nuclear nations from exporting nuclear-powered submarines. Obviously, this option is indeed gaining momentum very quickly, especially with several major military nations…

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Is Naval Group's Australian Contract Cancellation really a surprise?

Amid the outcry of stunned statements crying Anglo-Saxon surprise and treachery over the cancellation of the contract to design and locally build 12 conventionally powered Shortfin Barracuda submarines in Australia, a dissonant statement came almost unnoticed, although it carries with it an undeniable legitimacy and sincerity. According to Vincent Hurel, secretary general of the CGT Naval Group in Cherbourg, the disappointment is only "moderate", insofar as "the risk was known". And indeed, for those who followed the progress of this program in the antipodes, the prospects for this contract had been severely degraded for a few months, and...

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With the Type 212CD, the German TKMS wants to design the first truly stealthy submarine

Since the beginning of the 70s, a technological race has taken place between the designers of more and more efficient passive sonar, and the manufacturers of submarines, who were seeking to produce more and more discreet submersibles, i.e. say radiating as little mechanical or man-made noise as possible. Gradually, anti-submarine warfare saw the famous "bang" of active sonars made famous by many films, replaced by high-sensitivity hydrophones, increasingly efficient computer signal processing algorithms, and the famous "golden ears", very awkwardly honored in the film "Le chant du loup".…

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Barracuda, Shortfin, Scorpene: What alternatives to increase the French submarine fleet?

For several months, several French Deputies and Senators, whether they belong to the presidential majority or to the opposition, have repeatedly and more and more precisely questioned the Minister of the Armed Forces Florence Parly as the Chiefs of Staff on the capabilities and deficiencies of the French armies in the field of high intensity combat and nuclear deterrence. Combat drones, fighter or frigate fleets, second aircraft carriers and armored vehicles, many topics were discussed, with the very real fear expressed by parliamentarians that the operational capabilities of the French armies would be, in the years to come. , insufficient for…

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