Article

2017-11-25 Caribbean-Latin America

'Explosion' dashes last hopes for missing Argentine sub with 44 aboard

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Posted by Fred 2017-11-25 00:00|| || Front Page|| [9 views ] Top

#1 Rest in Peace. 3,000 meters is (usually) well below crush depth.

Posted by Whiskey Mike 2017-11-25 08:52|| 2017-11-25 08:52|| Front Page Top

#2 And how did they hear the 'kaboom'? Monitoring devices spread over the ocean floor maybe? Who would do that?

Posted by Procopius2k 2017-11-25 09:40|| 2017-11-25 09:40|| Front Page Top

#3 Most military ships are equipped with at least passive sonar. It's interesting what one hear in the ocean.

From Wikipedia: Passive sonar listens without transmitting. It is often employed in military settings, although it is also used in science applications, e.g., detecting fish for presence/absence studies in various aquatic environments - see also passive acoustics and passive radar. In the very broadest usage, this term can encompass virtually any analytical technique involving remotely generated sound, though it is usually restricted to techniques applied in an aquatic environment.

Posted by Seeking cure for ignorance 2017-11-25 11:48|| 2017-11-25 11:48|| Front Page Top

#4 Supposedly Trump said 45 aboard - just a mistake or does he know something he wasn't supposed to say, like was the sub placing or retrieving someone? Conspiracy theorists want to know.

Posted by Glenmore 2017-11-25 14:56|| 2017-11-25 14:56|| Front Page Top

#5 And how did they hear the 'kaboom'?

In addition to passive sonar, there are seismic sensors as well as sensors to monitor underground testing. In the Kursk accident, if memory serves, the impact of the boat hitting the bottom was picked up by geologists.

Posted by SteveS 2017-11-25 15:04|| 2017-11-25 15:04|| Front Page Top

#6 ...One disturbing story I've heard (from submariners and a naval engineer) is that the sub's batteries had apparently not been changed out in nine years (budget constraints, ya know) and would only take a small trickle charge while recharging. The skipper got annoyed because it was taking so long and ran the charging plant flat out. The batteries then overheated and caught fire. To make matters worse, the overcharge created excess hydrogen that would have caused the explosion. And to really make it bad, there is a strong possibility that the platinum catalysts used to dissipate the hydrogen buildup may not have been installed due to...budget constraints.

Mike

Posted by Mike Kozlowski 2017-11-25 15:37|| 2017-11-25 15:37|| Front Page Top

#7 Good detail Mike.
Thanks for the background.

Posted by Skidmark 2017-11-25 19:35|| 2017-11-25 19:35|| Front Page Top

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