3 Submarines by L/D ratios. 2 Subs by I Ratios, eg. for Netherlands. India?
On October 12, 2019 Anonymous provided the following useful comments and calculations which compare: (A) Naval Group, SAAB and TKMS submarines against Length (L) / Diameter (aka Beam) (D) ratios, and...
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Future South Korean Nuclear Submarine Seen As Threat to Japan
On October 17, 2019 Anonymous provided the following useful and timely comment with links.The South Korean (SK) Navy officially admitted it is making efforts to secure a nuclear submarine [1].On...
View ArticleSouth Korean Defense and Attack Strategies Against Japan
On October 18, 2019 Anonymous commented:Japan has already noticed South Korea’s (SK’s) suspicious intentions [1, 2]. According to a representative SK paper, SK studied, in the 1990s, “the Strategy of...
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South Korean and Japanese Nuclear Submarine Propulsion
South Korea (SK) has carried out research on building a nuclear powered submarine (aka KSS-N, KSSX-N and SSX) since the 2003 (codename) “362 initiative” if not longer ago. But that 362 initiative was...
View ArticleSouth Korea seeks Submarine Reactors from US and RUSSIA
In Submarine Matters’“South Korean and Japanese Nuclear Submarine Propulsion” October 21, 2019 Pete assessed that South Korea saw its land based SMART nuclear reactor as a technological dead-end for...
View ArticleMEDIA BACKGROUND on Lithium-ion batteries for submarine use
The issue of lithium-ion batteries for Australia's future Attack-class submarines is becoming time critical.The authors (Derek Woolner and David Glynne Jones) of the following MEDIA BACKGROUND, have...
View ArticleSubmarine Permanent Magnet Synchronous Motors (PMSM) and Australia
On October 22, 2019 Anonymous commented:Permanent Magnet Synchronous Motor (PMSM) technology is applied to propulsion motors to reduce the power of propulsion [1, 2]. Jeumont Electric and Siemens both...
View ArticleNickel-Zinc Main Batteries Unsuited to Submarine Use
Lead-acid batteries (LABs) have been used for submarines for over 100 years and it appears they will unquestionably be used for Australia's future Attack-class submarines.If replacement battery...
View ArticleType 214 submarine variant with AIP to be built for INDONESIA
Reported October 22, 2019 at DefenseNews https://www.defensenews.com/naval/2019/10/22/turkey-launches-homemade-submarine-program/"In 2017, Turkish and German naval specialists signed a letter of intent...
View ArticleSouth Korea Looking At France's Barracuda SSN or Just the K15 Reactor
In Submarine Matters’ “South Korea seeks Submarine Reactors from US and RUSSIA” of October 22, 2019 South Korea may have concluded it is better to buy an existing submarine reactor, designs or at least...
View ArticleLithium polymer (Li-Po) Batteries "Safer" for Submarines
On October 27, 2019 Anonymous (with some editing by Pete) reported: In the quest for longer term safer Lithium battery solutions for submarines it is pointed out existing Lithium ion batteries (LIBs)...
View ArticleType 212NFS Submarines with Lithium-ion Batteries planned by Italy
Italy's Senate Defense Committee has approved the construction in Italy of the first 2 of a planned 4 Type 212NFS (Near Future Submarines) for the Italian Navy. It is envisaged these will have...
View ArticleIndonesia May Buy 4 to 6 Regionally Superior Type 214 Submarines
Indonesia is undergoing a quick and efficient submarine expansion program. Indonesia has 2 aging German built Type 209s, 2 South Korean new build 209s and 1 209 built in Indonesia (see Table below)....
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Naval Group's 2nd Generation Fuel Cell AIP "ready to be marketed"
Here is part of Vincent Groizeleau's Mer et Marine (all the maritime news), September 27, 2019, article (which I have translated from French and bolded some bits) at...
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Swarms of Chinese Mini-UUVs Threatening Aussie Submarines
On October 29, 2019 news came to hand in Australia's Blue Moutains Gazette (see https://www.bluemountainsgazette.com.au/story/6465062/new-sub-could-be-google-maps-for-the-ocean/?cs=9397 )of a...
View ArticleFrance's Naval Group and India's DRDO Working on the Same Fuel Cell AIP
Following “Naval Group's 2nd Generation Fuel Cell AIP ready to be marketed"” of October 30, 2019 I deduce that India's DRDO AIP and Naval Group's new AIP are one and the same.The following is an update...
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DSME 2000 Concept Submarine, Specifications, Potential Customers
Jane's Navy International and Naval Newshave both provided details of the “DSME 2000” medium sized diesel-electric concept submarine. It was displayed, around October 24, 2019 at the International...
View ArticleVideo: DSME 2000 & KSS-III Submarines with Lithium-ion Batteries
Following November 4, 2019's DSME 2000 Concept Submarine, Specifications, Potential Customers below is a MADEX 2019 video (link) with a South Korean engineer commenting on the DSME 2000 and KSS-III....
View ArticleSouth Korea Could Export Submarines to Philippines
Nicky commentedon November 5, 2019 in response to my South Korean DSME 2000 Concept Submarine, Specifications, Potential Customers article of November 4, 2019. My reply to Nicky just grew and grew. So...
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China’s Future Forward Base of Tulagi a Threat to Australia.
In August 1942 US Marines (in the Guadalcanal Campaign) fought and died to liberate the strategically important island of Tulagi (in the Solomon Islands) from the Japanese. Now Tulagi, with its...
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