[PSUBS-MAILIST] Titan submersible missing at Titanic site

[Marc de Piolenc via Personal_Submersibles]

That makes better sense. I was imagining tapped bushings drilled and 
glued directly into the hull structure.

Marc

On 6/30/2023 3:14 AM, Jon Wallace via Personal_Submersibles wrote:
> Marc,
>
> The head was bolted to a titanium transition ring that was bonded to 
> the carbon fiber cylinder.  There's a video out there somewhere that 
> shows the transition ring being glued to the hull.
>
> Jon
>
>
> On Thursday, June 29, 2023 at 11:47:48 AM EDT, Marc de Piolenc via 
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> 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
>
>
>
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