[PSUBS-MAILIST] Drop weight design

[David Colombo via Personal_Submersibles]

Hi Brian, take a look at James Camron's sub. He used lead shot. I remember
seeing a video on some of the design challenges on how the hopper opened.
Might be worth a look.
David Colombo
On Sep 16, 2016 5:49 AM, "Jens Laland via Personal_Submersibles" <
personal_submersibles at psubs.org> wrote:

> Gentlemen,
>
> If I'm not wrong, I think the French used a whole lot of off-the-shelf
> lead balls (as used in shotguns) in two individual pellet ballast
> hoppers when they operated the "Trieste" back in the 50's, ref
> https://upload.wikimedia.org/wikipedia/commons/3/31/Trieste_nh96807.svg
>
> Best regards,
> Jens Laland
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