submarine

This is a discussion on the general future of passive stealth, but I will use the Strait of Taiwan and a possible near term conflict between the US and PRC to concretize it. The main idea here is; With the emergence of multiple new multi-domain IUSS sensor networks, that not only have the old...

8000 ton U-Transporter (English: " 8,000 ton undersea transport") A very large freight submarine, potentially as means of bypassing allied blockades or resupplying submarines at sea. Weight: 8,000 t Length: 132m Beam: 15m All other information unknown. Drawing is found on the Bundesarchiv...

Ceramics are remarkable materials. They can be easily molded into arbitrary shapes, they are hard, strong, able to survive extreme temperatures, and resistant to corrosion. But as anyone who has dropped a coffee mug knows, they aren't very tough and are prone to sudden failure. But DARPA has...

Hi all, I'm researching the use of mercury in submarine trim and list systems and have found references in older manuals (e.g., NAVSEA 0905-LP-120-0010 for DSRV) showing how mercury was transferred between tanks to manage longitudinal and lateral balance. It seems this method relied on high...

So say that in 1942 Auphan is a bit more pro-active/decisive and the Marine Nationale or a sizable part of it anyway sails away to join the Allies. Fast forward to 1945 and France ends up the war in possession of several more cruisers, destroyers and submarines. To put it in more concrete terms...

View: https://youtu.be/zf9dC2QV0ng https://www.navalnews.com/naval-news/2025/05/hd-hhi-and-sima-peru-ink-agreement-to-jointly-develop-submarine/

From, La Science et la vie 1946-05-01, what was this ?.

https://apnews.com/video/north-korea-unveils-nuclear-powered-submarine-for-the-first-time-f57346519d2b41a7af523627fe3d0da4

https://www.navalnews.com/naval-news/2024/08/china-launches-its-most-sophisticated-submarine-to-date/

Interesting documents : https://maritime.org/doc/id/oni220-german-japan-subs/index.php#toc

The Besson MB.35 "Passe-Partout" and its derivatives MB.41 and MB.411 are French observation seaplanes designed to operate from the submarine cruiser Surcouf. Two MB.35 prototypes were produced, one of which was lost by accident, and the second was converted into the MB.410 prototype was...

https://www.bloomberg.com/news/articles/2024-03-05/france-s-naval-group-set-to-win-2-5-billion-submarine-deal Color me surprised, I thought that the Saab-Damen consortium had it in the bag. Who would've thought that KM will be the first operator of Shortfin Barracuda? That of couse is if this...

I found short article in MILTECH on the AMPS, a Canadian project for a small scale nuclear reactor for use as air-independent-propulsion in submarines. Further research turned up a couple of interesting studies, which i attached to this post. THE AMPS 1000: AN ADVANCED REACTOR DESIGN FOR MARINE...

NAVAL FORCES 1985 had a special supplement about Thyssen Nordseewerke including this depiction of the 'Thyssen Submarine Family' (image source) Of the submarines shown, only MSV 130 and TR 1000 are unbuilt projects. The supplement has articles on both of these, but i can only find it for sale in...

https://www.cna.com.tw/news/aipl/202308310350.aspx View: https://twitter.com/stoa1984/status/1697325396889382970

Since the only Canadian submarine related thread is in the alternative history section (https://www.secretprojects.co.uk/threads/canadas-next-submarine.41251/#post-590211), I've decided to make a new dedicated thread for the actual, very real program.

Hopefully there are some people experienced enough around these parts who could provide their insight. Ideally, people with actual experience in submarine construction would know this best, but hey, every little bit helps. So below is a series of photos of Type 09I submarine. Best photos I...

http://www.hisutton.com/Lockheed-Stealth-Submarine-Design.html Neat little article i found, I'm curious how much it would have effected things if it had been built, al lest one as a prototype.

I would like to make a comparison of these two submarines. I mean sonar system, acoustic technology , speed and overall technology comparison. I would also like to know what is amazing about ssn 790 south dakota that everyone writes about some acoustic advantage over other subs.

A friend of mine has asked me to check out a rumour that HMS Cockade sank a suspected Soviet sub while serving with a US force in the Korean War. He thinks the papers are embargoed until at least 2050.