General Vortex Incident Discussion

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It's getting slimy and off-topic around here.

So what if the camera doesn't work? Is it really necessary to dredge? Wouldn't an underwater metal detector be a less difficult and less silty? Can you set it to sense aluminum or steel tanks (whatever he was diving)?
 
It's getting slimy and off-topic around here.

So what if the camera doesn't work? Is it really necessary to dredge? Wouldn't an underwater metal detector be a less difficult and less silty? Can you set it to sense aluminum or steel tanks (whatever he was diving)?


The only reason to dredge would be if they could pinpoint that his body was in a specific location. If that was true... then they'd recovered him a month ago.

I'm not sure how a metal detector would do. If you can't get a person in there to search, then how are you going to get a person in there to search and move around a metal detector? You'd have to be right on top of him for it to be any use. It's not like a radio direction finder that points "go this way" .
 
The only reason to dredge would be if they could pinpoint that his body was in a specific location. If that was true... then they'd recovered him a month ago.

I'm not sure how a metal detector would do. If you can't get a person in there to search, then how are you going to get a person in there to search and move around a metal detector? You'd have to be right on top of him for it to be any use. It's not like a radio direction finder that points "go this way" .

Surely there cannot be that many places to expect a sand cave in?

Besides, somebody is going to whine enough to get it done.
 
FWIW, I don't think the family can collect life insurance until a body is recovered, can they? This might be why they're trying to find him still.
 
So what if the camera doesn't work? Is it really necessary to dredge? Wouldn't an underwater metal detector be a less difficult and less silty? Can you set it to sense aluminum or steel tanks (whatever he was diving)?

They were dredging at Vortex to make the cave easier to travel, nothing to do with body recovery. I think an UW metal detector would be less of a waste of time than the camera/ROV thing.

Besides, somebody is going to whine enough to get it done.

Not so sure about that... once people realize the conditions inside, they may come to their senses.
 
They were dredging at Vortex to make the cave easier to travel, nothing to do with body recovery. I think an UW metal detector would be less of a waste of time than the camera/ROV thing.

Not so sure about that... once people realize the conditions inside, they may come to their senses.

:( Mind you, I'm not omnicient, but I think the only ones that can realize the conditions are cave divers, and the only ones that truly do understand have dived the cave themselves.
 
Why not just strip mine it and see if anything turns up?

Afterwards could be used as a landfill.

Would be more aesthetically pleasing then the existing rebar and lights.
 
I'm not sure how a metal detector would do. If you can't get a person in there to search, then how are you going to get a person in there to search and move around a metal detector?

A metal detector if a rather small object, much easier to move around than a camera.

You'd have to be right on top of him for it to be any use. It's not like a radio direction finder that points "go this way" .

There are metal detectors that can spot an ½ inch copper water pipe 8 feet below ground. If the diver is under a ground slide there are good chances the large amount of metal he carries could be detected. If he is far away in a crevice the device could still detect a disturbance in the magnetic field, much like a radio direction finder. Ask a surveyor or water system specialist what they do to spot water pipes.
 
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