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A comment on Missing Titanic Sub Faced Lawsuit over Depths It Could Safely Travel To. Parent comment

Re:Missing Titanic Sub Faced Lawsuit over Depths It Could Sa... by SirMaster on Tuesday June 20, 2023 @04:58PM (#36410485)
How do they control the unmanned subs that they use to survey the Titanic then?

They are not tethered?

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Re:Missing Titanic Sub Faced Lawsuit over Depths It Could Sa... by cududa on Tuesday June 20, 2023 @05:01PM (#36410529)
A data link tether and one capable of pulling up a giant heavy craft are very very different
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Re:Missing Titanic Sub Faced Lawsuit over Depths It Could Sa... by whats_a_quasar on Tuesday June 20, 2023 @05:08PM (#36410649)
The vehicle that discovered the titanic was a sled pulled behind a ship on a tether. A thick steel cable can take a lot of load. https://en.wikipedia.org/wiki/Argo_(ROV)

Also, subs operate at close to neutral buoyancy. A tether does not need to support the weight of the vehicle, it only needs to resist the force of drag that the water exerts on the vehicle moving at whatever the max tow / lift speed is.

The vehicle that

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