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Thread: Submarine tourism

  1. Top | #11
    Elder Contributor Keith&Co.'s Avatar
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    Quote Originally Posted by Eldarion Lathria View Post
    Do you mean you got into a boat designed to sink?

    Eldarion Lathria
    I served on five ships.

    ALL SHIPS are designed to sink.

    Four of mine were designed to come back up again.

  2. Top | #12
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    Quote Originally Posted by Keith&Co. View Post
    Quote Originally Posted by Eldarion Lathria View Post
    Do you mean you got into a boat designed to sink?

    Eldarion Lathria
    I served on five ships.

    ALL SHIPS are designed to sink.

    Four of mine were designed to come back up again.
    All ships?

    There are ships built of materials light enough that they won't sink even if completely flooded. Unfortunately, such craft are fairly small due to the lack of strength of such materials.

    Someday with space manufacturing we will have large ships that can't sink. Metal foam is pound for pound considerably stronger than the same metal in solid form and it can be lighter than water. However, practical manufacturing requires a microgravity environment.

  3. Top | #13
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    The late Paul Allen had his own sub built here in the area, about 12 people. Then he had a yacht built to carry it. A company I worked at made the video and audio systems for the sub. The word I got was that private subs were notoriously under regulated.

    ALVIN which is a small titanium sphere can drop weights and dethatch from the support structure and float to the surface.

    For a small sub why not have chemicals that can create a gas and balloons on top to inflate?
    I'd think it would be more interesting and adventurous to just go snorkeling around coral reefs.

    I believe you can make subs to have positive buoyancy so that they need power to stay down.

  4. Top | #14
    Elder Contributor Keith&Co.'s Avatar
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    Quote Originally Posted by steve_bank View Post
    I believe you can make subs to have positive buoyancy so that they need power to stay down.
    Boats dive by moving their center of buoyancy beneath the center of mass. The power requirements to brute force a positively buoyant ship beneath the water would make it 50% battery that would last almost all the way out of the harbor.

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