[PSUBS-MAILIST] Titan submersible missing at Titanic site

[Marc de Piolenc via Personal_Submersibles]

I'm curious about the end cap being totally intact (except for the 
missing viewport). If I remember the other video, the entire end cap is 
bolted onto the pressure hull  cylinder after the passengers have 
boarded. End cap titanium, pressure hull laminated carbon fiber 
reinforced composite. I'm thinking of differences in response to 
temperature changes and varying external pressure. Could this have been 
a shear failure separating the entire front assembly from the rest of 
the hull? I remember an earlier message on this board mentioning scary 
sounds from the acoustic sensors - strain at the bolted joint? It would 
be interesting to see what is left of the bolts if they are ever recovered.

Marc de Piolenc

On 6/29/2023 11:26 PM, Jon Wallace via Personal_Submersibles wrote:
> Interesting that at 1:01 the viewport is obviously not in place.  I 
> would have thought that for this kind of post accident analysis they 
> would leave everything intact and as found.  I have to wonder if the 
> viewport was removed to allow the crane strap to get a firm grip on 
> the tank head or if that was just a convenience because the viewport 
> blew out.
>
> Jon
>
>
>
>
> On Wednesday, June 28, 2023 at 07:19:51 PM EDT, Jon Wallace via 
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Raw video: Wreckage from implosion of Titanic-bound sub arrives in 
> Canada <https://www.youtube.com/watch?v=458KFQXJ_Zs>
>
>
> 	
>
> 	
>
>
>     Raw video: Wreckage from implosion of Titanic-bound sub arrives in
>     Canada
>
> <https://www.youtube.com/watch?v=458KFQXJ_Zs>
>
>
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