I have long been interested in what happened to the Hunley, and I think it was last year that I was told (In a discussion here on Free Republic) what seems to be the most likely cause of it sinking.
I would be interested in hearing why you think Horace L. Hunley might be responsible for it's sinking.
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The second Hunley sinking killed HLH. He was at the (forward station) controls and forgot to close the forward ballast tank fill valve. He dove the Hunley under a Confederate warship in Charleston harbor -- to practice towing a (dummy) floating contact torpedo into it.
The bow-heavy Hunley "nosedived" into the harbor bottom and stuck there. (Hence the similarity to the thread image...) All aboard died -- including HLH.
The famous (and accurate) Chapman painting of the Hunley on the dock
was made during refitting after the Hunley was raised the second time -- following HLH's fiasco.
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The third sinking followed the successful attack on the Housatonic. The dead & buried HLH played no role in that one.
For info on the first two sinkings, see https://www.hunley.org/the-hunleys-sinkings/...