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Titanic II


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3 hours ago, Aim Here said:

That's not my idea of what a 'manual EBIRB' would be, which would typically be a handheld device that the crew would operate that operates under it's own power for a few hours and would bob on the waves broadcasting away if it wasn't still in the vessel. EBIRB wouldn't work if it was permanently attached to the submarine since submarines are typically underwater where GPS and radio doesn't work. Also these things shouldn't require an electrical connection from the submarine, since an electrical failure - one of the reasons you might need to activate an EBIRB -  makes it useless (and besides, there are other communication systems that work with the sub's electrical supply you can use, and which are clearly inoperative for whatever reason).

There are submarine EBIRBs, which are basically tubes that get physically flung out of the vessel somehow (torpedo tube I'd guess) and which bob up to the surface and start broadcasting away. I suspect it would have been possible to jury-rig some kind of mechanical system for launching one of these, but whether they'd have bothered to install such a thing, I wouldn't know.

That‘s all the point of a manual one. Normal EPIRB’s active with (significant) water contact. The stipulation was they had lost power and floated to the surface, how do you find them. You have an EPIRB that you connect to an internal antenna connection and turn on, because you are bolted into the bloody sub. That gets the signal out to the satellites.

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27 minutes ago, TxRover said:

That‘s all the point of a manual one. Normal EPIRB’s active with (significant) water contact. The stipulation was they had lost power and floated to the surface, how do you find them. You have an EPIRB that you connect to an internal antenna connection and turn on, because you are bolted into the bloody sub. That gets the signal out to the satellites.

What would be the size of sprocket required to connect to that particular antenna? 

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47 minutes ago, jimbaxters said:

IMO yes

🥺😢😢

1 hour ago, Cosmic Joe said:

What would be the size of sprocket required to connect to that particular antenna? 

Depends on the flexion coefficient of the gnarl gear.

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2 hours ago, HibeeJibee said:

Suppose the hope would be that it's already equipped for working on the seabed at those depths.

Strangely enough it was a Scots-Canadian cable layer that recovered bodies in 1912. Poignant story:

CS Mackay-Bennett - Wikipedia

Attaching a cable is a bad idea because if it breaks or gets snagged the submarine has the large amount of additional weight and would be stranded.

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