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Hydrodynamic Analysis of Offshore Structures

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This topic contains 14 replies, has 4 voices, and was last updated by Profile photo of spark spark 1 year, 5 months ago.

Viewing 15 posts - 1 through 15 (of 15 total)
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  • #22005
    Profile photo of Eric
    Eric
    Participant
    #22017
    Profile photo of
    Anonymous

    Not going to register. Is it posted for *real* free somewhere else?

    #22021
    Profile photo of spark
    spark
    Participant

    I registered with a fake ID.  It is just a pdf article.  Not very interesting. Still better than nothing.

     

    This site is dynamic for me. Sometimes I can post, other times not.

    I would like to comment on you question about the Alabama vessel registration.

    No registration can be a good thing.  That way it is a private property and not a vessel.  Marine time law may not apply

    and it could be a good thing.  So US Navy or US Coast Guard may have no jurisdiction.  Or it may be a different jurisdiction.

     

    I do not know much about Alabama. I have never been there. I live in California.

    I think, the only way to  find out is to make a platform, and leave it out there.  What will happen?

    In my opinion, there can be made a small sailboat-like structure.  May be styrofoam or poly-urthane foam, and cover it

    with ferrocement.  So it would be a solid foam structure with a hard shell.  To make this under $1000 cost. Take it outside of EEZ,

    and anchor it.  Cannot be sank completely. It can be burned, and sank. Would that be destruction of a vessel or destruction of

    private property?  Someone has to be the first to have something like that to see what happens.  I am willing to bet a $1000.

    I just need to figure out how to build it, and tow it, and anchor it, and keep track of it.

    #22032
    Profile photo of
    Anonymous

    Ok, we can post about the legal issues in “hydrodynamic structures”, i guess….

    I was hoping there was a loophole in “unpowered” floating vessels, but it’s a valid loophole only under 5 tons and only not in the ocean. So there goes the unpowered undocumented barge idea for moving materials, because basically if the USCG sees it, they’ll sink it as an unflagged boat. I was also thinking of a 20×20 platform on four or eight 40ft legs on submerged dynamic floatations / heaveplates, again it would havetobe over 5 tons, and i’d feel better doing tests inside the EEZ where i can run to shelter before a storm like a scared rabbit. I have since found realistically in the high seas (this is different than on the continental shelf) that a decent set of tower legs would be 200ft long. The 20×20 platform would be insignificant compared to the structure deep underwater. That’s not happening any time soon. But since the USCG rules, and usa.mil rules about large unflagged undoc’d vessels at sea are to be sunk on sight, it seems i am required to put propulsion on it of some sort, even if i never use it. I’d want orientation thrusters on it anyhow, but not propulsion to travel to Bermuda and back. Anyhow, i have followup questions to the USCG, and just waiting on re-replies.

    #22033
    Profile photo of
    Anonymous

    Well, i posted, it isn’t going thru, don’t know why not. Perhaps you can talk on freenode, in #seasteading ?

    in irc client, type: server irc.freenode.net
    then : join #seasteading

    Hang around, we aren’t always at the keyboard.

    #22034
    Profile photo of
    Anonymous

    Ok, we can post about the legal issues in “hydrodynamic structures”, i guess….

    I was hoping there was a loophole in “unpowered” floating vessels, but it’s a valid loophole only under 5 tons and only not in the ocean. So there goes the unpowered undocumented barge idea for moving materials, because basically if the USCG sees it, they’ll sink it as an unflagged boat. I was also thinking of a 20×20 platform on four or eight 40ft legs on submerged dynamic floatations / heaveplates, again it would havetobe over 5 tons, and i’d feel better doing tests inside the EEZ where i can run to shelter before a storm like a scared rabbit.

    #22035
    Profile photo of
    Anonymous

    I have since found realistically in the high seas (this is different than on the continental shelf) that a decent set of tower legs would be 200ft long. The 20×20 platform would be insignificant compared to the structure deep underwater. That’s not happening any time soon. But since the USCG rules, and usa.mil rules about large unflagged undoc’d vessels at sea are to be sunk on sight, it seems i am required to put propulsion on it of some sort, even if i never use it. I’d want orientation thrusters on it anyhow, but not propulsion to travel to Bermuda and back. Anyhow, i have followup questions to the USCG, and just waiting on re-replies.

    #22036
    Profile photo of
    Anonymous

    Looks like a length issue to posting, i broke it in half and it went thru. That’s sorta stupid.

    #22037
    Profile photo of spark
    spark
    Participant

    Hi;

    I thing this is a good subject.  I am interested about the re-reply by USCG.  How did you get in dialog with them?

    That might just be the diplomacy needed to find more things out and resolve some problems.

    So they sink any unregistered unpowered vessel at site.

    I would think, the USCG has a certain jurisdiction.  Do they sink things in EEZ?  They most likely effective in territorial waters,

    and in contiguous zone.  What if it is powered by sails?  What if it is unpowered and there are people living on it.

    These questions are not meant to antagonize anyone, but just ideas to resolve the floating problem.

    What would it take to register something, and what would it take to maintain the registration?  Well anyways.

    I have a small sailboat and that is registered. So I should know some of the basics about vessel registration.

    I think, lots of people who have boats do not know much about the registrations. They just pay the fee, and go boating.

    I will try to find out more about the registration things.

    #22038
    Profile photo of spark
    spark
    Participant

    It is too late at night for me to write.

     

    #22039
    Profile photo of Ken Sims
    Ken Sims
    Keymaster

    KatOnTri, it wasn’t a length issue. For some reason the system flagged that post as spam. I have no idea why. I’ve released it.

    #22061
    Profile photo of
    Anonymous

    USCG replied to my further questions, saying : go ask US Customs, because the USCG doesn’t have a procedure for an not-powered not-state-reg’d vessel out in the ocean. This smells like the olde run-around, so i’m not going to bother. But what it forces me to do is put some sort of propulsion on every vessel, so the state will accept registration, so the USCG can blindly process the state’s numbers, so the vessel isn’t restricted to bays, rivers, and the ICW. Such a registration, if i read the regs correctly, also mandates “free” re-registration every year, and maintaining a good method of contact at all times. I don’t know how free it will be to motor into a usa port every year, or maintain a valid phone number on the vessel free-floating on the ocean somewhere. There is still the wide loophole of picking the state where you prefer the registration terms. And i will still propose the vessel’s orientation thrusters are it’s propulsion, because there is no regulation on what size the vessel’s propulsion must be (since a 12v trolling motor on a rowboat makes it a motorboat, then surely any 20hp on my vessel qualifies it).

    #22062
    Profile photo of spark
    spark
    Participant

    It is a good question, and it is a good answer.

    USCG has no procedure.  It is outside of their scope.

    A not-powered not-state-registered vessel out in the ocean.  -))  hehe.

     

    That ‘good method of contact’ is an interesting term. Lots of different creative things can be that. (skype?)

    A valid phone number can be lots of things too.  And I do not want to cut off all communications, so I would like to

    maintain some kind of communication anyways.  Re-registration might not require to motor in.  Most of the

    registrations just paying a fee.  But I do not know this one yet. (not if I knew anything else)

    It most likely worth communicating with US Customs too.

     

    #22063
    Profile photo of
    Anonymous

    Sparky wrote:
    A not-powered not-state-registered vessel out in the ocean. -)) hehe.

    But i was trying to get it registered, as a not-powered vessel. Why not on the ocean? You can legally float a non-powered vessel in state waters (and depending on what reg you read, that includes the 23mile state limit offshore, altho the USCG seems to think it’s limited to bays, rivers, and the ICW) and not register it too. I only wanted some docs saying i wasn’t unknown, i wasn’t a pirate, i wasn’t hiding, but i have no propulsion ability in that vessel. If they call a few hp to orient the boat “propulsion”, then ok, but it’s a lie to any other vessel that thinks i can get out of their path. I believe that’s important.

    #22064
    Profile photo of spark
    spark
    Participant
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