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re: Acoustic analysis of the Argentinian submarine San Juan
Posted on 2/1/18 at 6:48 pm to Nado Jenkins83
Posted on 2/1/18 at 6:48 pm to Nado Jenkins83
quote:
How about some safety balloons that inflate when the sub reaches a certain depth. Like a line of no return
It's a warship that's designed to disappear into the water and is EXTREMELY vulnerable if it gets detected. A balloon tied to the ship that can accidentally go off and bob around on the surface isn't a good idea.
You ever set juglines out? Same result happens: Dead fish.
This post was edited on 2/1/18 at 6:50 pm
1
Posted on 2/1/18 at 6:49 pm to MountainTiger
quote:
Why does Argentina need a submarine?
Because they just lost one?
Posted on 2/1/18 at 6:49 pm to TigerstuckinMS
No i mean inflatable by air tanks only on emergencies.
Posted on 2/1/18 at 7:04 pm to nastynelly
There are alleged recordings of when the Thresher went down. It was not just one quick bang, so I'm not sure of what goes on when this stuff happens.
Posted on 2/1/18 at 7:27 pm to Nado Jenkins83
They have that. It’s called ballast tanks.
Posted on 2/1/18 at 7:28 pm to rmnldr
quote:
Didn't they just weld the hull back together fairly recently?
Uh
I think I read an article that stated they recently replaced their batteries. I believe there was a complaint about the work going to the lowest bidder with a shoddy record.
It is common practice to cut the hull for battery replacement. The USN does the same thing.
Posted on 2/1/18 at 7:32 pm to Tigeralum2008
These guys knew they were going to die. 1200ft is deeper than most subs operate under normal conditions. They likely had some sort of emergency whether it was loss of propulsion or flooding from a failed seal/valve/weld
ARA San Juan was built in 1983 FYI
ARA San Juan was built in 1983 FYI
Posted on 2/1/18 at 7:32 pm to Jim Rockford
Bruce Rule. What a name.
Posted on 2/1/18 at 7:38 pm to boosiebadazz
570 lbs per square inch = 82,080 lbs per square foot. The submarine was 220 feet long and roughly 86 feet around. That's approx. 18,928 square feet of surface area.
All of which equals 1,553,610,240 lbs of pressure total. Those numbers are a little high because they don't take into account the fact that the sub is smaller fore and aft, but still....holy shite.
Hard to even imagine that kind of force.
All of which equals 1,553,610,240 lbs of pressure total. Those numbers are a little high because they don't take into account the fact that the sub is smaller fore and aft, but still....holy shite.
Hard to even imagine that kind of force.
Posted on 2/1/18 at 7:40 pm to Tigeralum2008
That’s like saying its not a big deal because in a plane crash people don’t feel the actual impact. Well.... it still sucks falling out of the sky knowing you’re about to die. They sank knowing eventually it would implode.
Posted on 2/1/18 at 7:49 pm to ShyftingTiger91
quote:Post weld stress relief would be critical
The San Juan, a German-built diesel-electric TR-1700 class submarine, was commissioned in the 1980s and was most recently refitted in 2014.
During the $12 million retrofitting, the vessel was cut in half and had its engines and batteries replaced.
This post was edited on 2/1/18 at 7:51 pm
Posted on 2/1/18 at 7:50 pm to fr33manator
quote:
They didn’t build the submarine out of those watches, apparently.
He's a lawyer, not an engineer - you're going to have to break it down further for him ... like all the way.
Posted on 2/1/18 at 7:53 pm to Smelder
quote:
That’s like saying its not a big deal because in a plane crash people don’t feel the actual impact. Well.... it still sucks falling out of the sky knowing you’re about to die. They sank knowing eventually it would implode.
That was my point. OP said they didn't feel a thing. Well their last 3-4 minutes alive were probably terrifying
Posted on 2/1/18 at 7:55 pm to athenslife101
quote:The GMT is with you, where you are, right now.
GMT
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