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Ferrocement Dinghy

Home Forums Research Engineering Ferrocement Dinghy

This topic contains 81 replies, has 13 voices, and was last updated by Avatar of shredder7753 shredder7753 2 years, 10 months ago.

Viewing 15 posts - 46 through 60 (of 82 total)
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  • #13467
    Avatar of elspru
    elspru
    Participant

    J.L. wrote:

    9 months in and around the Indian Ocean, with several months ashore, during the monsoons.

    is the time spent on the ocean, exclusively sunny breezy weather?

    The notch at the bow helps it cut into the oncoming waves. Look up “bifurcated bow”…

    ya, I know about it :-). in this particular piece it reminds me of a whale’s mouth.

    Just because you don’t have faith in it doesn’t mean it’s untrustworthy. Generations have trusted them, who are you to judge?

    from my experiences with concrete bunny boats that had low freeboard,

    as soon as it heels as with sailing that water starts leaking in, pretty soon it sinks like a rock.

    the remedy is either to have foam and-or bouyancy tanks in case of swamping,

    or to simply be fully encapsulated so that water doesn’t leak in over the freeboard.

    What makes you the almighty-of-the-sea?

    I’m pleased you’d think that of me :-).

    Everyone shoots everyones ideas down, so not a damned thing gets accomplished.

    er, well I agree it’s a good idea, and I thought there was more pleasant statements than suggestions for improvement.

    In general It’s because we’re males, we have our own unique ideas about changing the world.

    Females are the ones that offer nourishing enoucragement to things they like.

    So when I want to find out if one of my ideas is good, I ask my female partner.

    Her opinion is more important than anyone else,

    she’s a tribe member, that lives with me,

    and will also reap what was sown.

    If it’s a ‘next-step’ beyond the ferrocement dingy for you, it may well serve the purposes others have need of.

    I haven’t even gotten my dinghy in the water, who know’s maybe I have too much freeboard *shrugs*.

    I’ve been redoing my calculations on the cost of ferrocement construction, seems to be about a $1 per kilo.

    I prefer to get 1/3 extra of supplies just in case.

    based on my calculations the perfect boat for you and your family

    would be a 4*7*11m phi boat, which fits 7 residents,

    with hull materials cost at $18,000

    though you were saying you wanted to “hurry your kids off”, and be a couple,

    so that could best be served by a 3m*4m*7m phi boat, hull material cost $6,000.

    calm aware desire choice love express intuit move

    #13473
    Avatar of Seasteader-
    Seasteader-
    Participant

    @shred

    ” well… at least i got him to start thinking critically! WOOT! ”

    Yeeeaaaa . . . real creepy attention vibes from 7753.

    #13474
    Avatar of J.L.-Frusha
    J.L.-Frusha
    Participant

    My understanding is that they got their drinking water from the rain. I’ve seen one in a vid, in fairly rough waters and they used a bilge pump, for ease of use, to suck out any water that came aboard, just like any modern boat does, They did not have modern weathe and navigation gear, so how would they avoid heavy seas, altogether? Of course, they may have a direct line to god, giving them a ‘heads-up’ on the weather, but I’d doubt that. They avoid the monsoon season at sea, which means a LOT of rain, therefore, constant bailing…

    If I’m going to base on the concept of a liveaboard, I’ll have certain requirements, but I have to meet MY expectations, not someone elses. I like the Ganymeade Protocol idea , which I have previously supported, of floating dock sections and gangways… Beats having to worry about stuff being all rafted and locked together… Tied together, with docks between makes more sense, anyway. Easier to get away from bad neighbors, by disengaging and relocating…

    $6k actually sounds a bit short, for a good sized hull. Probably more in the range of $15-20k, then it needs all of the finishing stuff, motors, sails, mast, cabin, decks, etc.

    Later,

    J.L.F.

    Never be afraid to try something new…

    Remember, amateurs built the ark, professionals built the Titanic.

    #13476
    Avatar of elspru
    elspru
    Participant

    J.L. wrote:

    My understanding is that they got their drinking water from the rain. I’ve seen one in a vid, in fairly rough waters and they used a bilge pump, for ease of use, to suck out any water that came aboard, just like any modern boat does,

    that’s cool :-)

    They avoid the monsoon season at sea, which means a LOT of rain, therefore, constant bailing…

    I think ideally, the only time bailing should occur is when there is a leak,

    otherwise the boat should stay dry.

    I may have somewhat exagerated perspective of the size of waves, rain and amount of rough weather from a fusion of past-lives and movies.

    Though when seasteading on the ocean, all sorts of things happen, boat should be able to handle vast majority with minimal occupant intervention.

    J.L. wrote:

    $6k actually sounds a bit short, for a good sized hull. Probably more in the range of $15-20k, then it needs all of the finishing stuff, motors, sails, mast, cabin, decks, etc.

    yes, well it firmly sets it above currently achievable amounts of money.

    So I’ll have to opt to buy a used ferrocement sailboat instead.

    Having made the Dinghy I’m now more confident

    with my ability to repair and maintain a ferrocement sailboat.

    we’ll have to make new boats after we start with a used boat.

    Also likely I’ll look into getting some practice working with fiberglass at my dinghy sailing club.

    meanwhile I’ll collect useful things that will likely be missing, such as good anchors, chain and rhode.

    of course will continue to work on this dinghy, hopefully we’ll get it floating on the water within the next month.

    #13455
    Avatar of Seasteader-
    Seasteader-
    Participant

    @JL Frusha

    As you observed ” Everyone shoots everyones ideas down, so not a damned thing gets accomplished. ”

    I haven’t been here very long but offhand I think the 2 characters below which I ‘debunk’, are not very serious about SS and here to just be disrupt lines of thought as agents of landsteads. I could be wrong of course but just thinking aloud – again, even when my thoughts are no longer private – apparently.

    No offense to @shred and @elspru of course ! You 2 are free to throw your observations about me right back as well !

    @shred
    Asks ingenuous questions about obviously failed and non-hydro-dynamic designs or pooh poohs ‘somewhat valid’ ideas.

    @elspru
    With all illuminati avatar, talks about pentagons and hexagons. Or just loves symmetry.

    Of course even @GenSenca could be an exercise in NLPs what with the ‘Charlott’es Web-esque’ Greetings and Salutations (a form of imprinting possibly??? Animal Farm will result, NOT Charlotte’s Web and the Pigs are from the former, nothing like the latter.

    We drop identities as they are struck down or revivable depending on circumstance so don’t waste time with ‘Gen’, there won’t be a concert at any SS anytime soon dears . . . ), the internet is really a place where too many are just self important poseurs from establishment families riding roughshod over everyone, if big bro in disguise, or conmen at worst.

    You won’t turn into a undercover whatever will you JL? Lots of fakers here, or staging arguments to draw people into responding. Sick.

    How about just ‘being’, instead of manipulating ad nauseum. Such a waste of effort and a self put down at a subtle level. It won’t kill to be frank or even share wealth (not asking for EVERYTHING but ending APARTHEID, or making things more comfortable for others is not that much to expect), though I believe with all the neurotech these days, it (and privacy) is a luxury no longer available to most of us eh fakers and supposed manipulators?

    Wait till that super solar storm wipes EVERYTHING technological out, the we’ll have a advantage free conversation where plain old you shows how empty a shell you are awaits !

    Everyone should ignore the 6th and last 2 paragraphs if they don’t make sense, just talking to those shadowing someone far superior to them.

    Total Physical Freedom and Total Mental Autonomy, Tempered with Common Sense.

    Utopia – Capitalism with Socialist Caps on Personal Wealth – US$20 Million
    http://www.facebook.com/group.php?gid=36665503866

    #13802
    Avatar of GenSeneca
    GenSeneca
    Participant

    Seasteader- wrote:
    Of course even @GenSenca could be an exercise in NLPs what with the ‘Charlott’es Web-esque’ Greetings and Salutations (a form of imprinting possibly??? Animal Farm will result, NOT Charlotte’s Web and the Pigs are from the former, nothing like the latter. We drop identities as they are struck down or revivable depending on circumstance so don’t waste time with ‘Gen’,

    I just now read this…

    Not sure what I did to irritate Seasteader but whatever…

    Elspru, congrats on the dinghy and thanks for taking the time to document and share your progress.

    #14772
    Avatar of elspru
    elspru
    Participant

    GenSeneca wrote:

    Elspru, congrats on the dinghy and thanks for taking the time to document and share your progress.

    Anyhow, I’ve been doing the concrete boat-cover more recently,

    did the mesh and wiring with my cellphone, but turned out that the bunnies ate the transfer cable which costs $60.

    The plastering I recorded on my camera, though I needed both hands for it, so can only show before/after. Video-editing software couldn’t append them properly, so it’s in 4 parts, over last 2 days.

    http://www.youtube.com/watch?v=KVB5m1Y8ANw

    http://www.youtube.com/watch?v=f5bAC_G8gYg

    http://www.youtube.com/watch?v=8AsZAj2ENO0

    http://www.youtube.com/watch?v=oDZYNH7y3nY

    I would apply the plaster with one hand, and have the other hand on the other side, to keep it in place.

    calm aware desire choice love express intuit move

    #15086
    Avatar of elspru
    elspru
    Participant

    Inspired by Rich’s bergstead float today,

    decided it was time to get the dinghy in the water,

    so I prepped the dock, and moved it across the beach,

    got it in the water, floated around in it, tied it up to the dock.

    there was a leak from the drain-plug I had installed, since it was bellow the water-line,

    so I got it back to shore, set the anchor, took out the drainplug and filled in the hole,

    soon can take more video’s, maybe I’ll do some paddling also.

    anyways, here is the video associated with this:

    http://www.youtube.com/watch?v=S98EgBTnV-g

    calm aware desire choice love express intuit move

    #15172
    Avatar of elspru
    elspru
    Participant

    Got the boat floating on the water now, here is a video of it, and me in it.

    http://www.youtube.com/watch?v=7kqgKNT9p-g

    calm aware desire choice love express intuit move

    #15173
    Avatar of georgeberz
    georgeberz
    Participant

    congrats, really cool!

    #15424
    Avatar of georgeberz
    georgeberz
    Participant

    Wondering how the coating / sealing is coming along.

    I know I suggested concrete epoxy designed for concrete floors was not recieved well, I figured it was a shoe in since it was desinged to adhere to concrete and being a 2 part epoxy would create a catalytic chemical finish that hardened in 1-2 hrs.

    Another similar thing to consider is resin and fiberglass. have you ever played with fiberglass resin and fiberglass cloth?

    you could coat the dingy in fiberglass resin and just let that harden as a great waterproofer same stuff that fiberglass boat hulls are made of or coat it with resin and then a layer of fiberglass cloth to added durability.

    You mentioned floating it down river rocks and such, concrete covered with resin and fiberglass on the bottom I would think would be more beneficial to rock damage that simply painted concrete, you could roll the craft on its side, expxy 1/2 or fiberglass the lower 1/2 let it cure a bit then roll it back to the otherside.

    Just a thought

    George

    http://OutpostAlpha.com

    #15496
    Avatar of elspru
    elspru
    Participant

    georgeberz wrote:

    Wondering how the coating / sealing is coming along.

    I know I suggested concrete epoxy designed for concrete floors was not recieved well, I figured it was a shoe in since it was desinged to adhere to concrete and being a 2 part epoxy would create a catalytic chemical finish that hardened in 1-2 hrs.

    perhaps

    Another similar thing to consider is resin and fiberglass. have you ever played with fiberglass resin and fiberglass cloth?

    nope, have you? do you know what the costs are?

    I know it’s hazerdous material, and highly flammable.

    We have a pirate who works on fiberglass boats all-day, every-day at my sailing club,

    it’s quite an intense process, requires power-tools, and his eyes are blood shot and slightly glazed over.

    you could coat the dingy in fiberglass resin and just let that harden as a great waterproofer same stuff that fiberglass boat hulls are made of or coat it with resin and then a layer of fiberglass cloth to added durability.

    if I had wished to use fiberglass, I’d make a fiberglass dinghy.

    You mentioned floating it down river rocks and such, concrete covered with resin and fiberglass on the bottom I would think would be more beneficial to rock damage that simply painted concrete,

    it might be, though tires might be cheaper.

    you could roll the craft on its side, expxy 1/2 or fiberglass the lower 1/2 let it cure a bit then roll it back to the otherside.

    ya, I’ll probably just get more boyant foam, and hopefully an old tire, or something to smooth out my keel-bolts, I realize now that the keelbolts might make it difficult to slide it over dams.

    calm aware desire choice love express intuit move

    #15591
    Avatar of elspru
    elspru
    Participant

    Okay so got my first proto-customer! Someone decided to take my dinghy for a joy-ride down the river.

    Though they punctured some holes in it, they did tie it up to a tree before they fled the scene.

    my ferrocement dinghy, half sunk, on other side of river, several hundred meters from where I left it. The dinghy cover was a good idea, as it allowed me to bail it out and save it. amongst the casualties was my old bailer, which was made from a plastic oil container, a boat-sponge, also the paddle was in shambles, I lost what remained of it while going down stream.

    I got it over the dam, and had to drag it over some rocks, bailing the whole while. Then I went back to get my anchor, which had got caught on some rocks, I had my life-vest on, so I partially submerged to untangle it and did manage to retrieve it.

    Then I scouted down-river and found a nearby beach, so I got back in my dinghy, bailed it, and launched off the last rocks, had to bail the whole time, also used my pail as a paddle in some areas. eventually got caught on some rocks just before the beach, so had to drag it around.

    finally got to the beach, dragged it up, tilted it over so the holes could be worked on. Then I went home got some portland, went to the dollar-store got some epoxy, mixed it up with some river sand and water, and repaired the hull.

    Once all that was done, I was calm enough to take a video, here it is (first 18 seconds is from when I spotted the dinghy):

    http://www.youtube.com/watch?v=12Y6mlCMiXE

    The epoxy says it sets in 5 minutes, though the little windows I made, took days to perhaps a week to set, portland is recommended to wait 30 days. Though I also want to move it, before any other joy-riders decide to.

    I’m wondering how long should I wait before putting the dinghy back in the water and going further downstream?

    calm aware desire choice love express intuit move

    #15593
    Avatar of shredder7753
    shredder7753
    Participant

    spru – im gonna tell u im disappointed man. did u have anyone with ou when u did all that? oh u had a life jacket on. a motherfuggin life jacket!!!! let me ask u an age-old question: if a seasteader falls in the middle of the river does he make a sound???? ur dealin with slippery rocks and that moss shit. try the goddamned buddy system, for cryin out loud!!!

    ____________

    My Work II

    “Leadership and do-ership are not the same thing”

    #15594
    Avatar of elspru
    elspru
    Participant

    shredder7753 wrote:

    spru – im gonna tell u im disappointed man. did u have anyone with ou when u did all that? oh u had a life jacket on. a motherfuggin life jacket!!!! let me ask u an age-old question: if a seasteader falls in the middle of the river does he make a sound???? ur dealin with slippery rocks and that moss shit. try the goddamned buddy system, for cryin out loud!!!

    ____________

    My Work II

    “Leadership and do-ership are not the same thing”

    Er, there is a high-density pedestrian walkway and bicycle path all along the river.

    There were people walking across the bridge, some stopped to have a look.

    Besides it’s a single person boat, and most of my peers are busy with daytime slave-labour or slave-training.

    Anyhow, I’m planning on moving to the wilderness, lol… Also one of my main goals was to get the boat out of sight of the bridge. And even there where it’s beached, out of sight of the bridge, there were still some pedestrians that stopped and asked me questions, like is there any fish in the river. There aren’t precisely because it is a city, and all the storm-drains lead into the rivers. Also there are people dumping industrial waste. one of my objectives is to get out of these highly populated areas, into more natural settings, where there is pristine water with life in it.

    Ya at first I was at least a little scared, but eventually I realized that it’s really much safer than you’d think. all that white-water is because it’s very shallow, so I could just walk across really easy. Also I had my vibram-five-fingers with neoprene, so my feet stayed safe, and I could feel the rocks and cling onto them quite easily.

    Also there was someone that had taken the boat, and gone out on the water, dragged it across rocks, before I even got to it, so if some random stranger can do it, the boat-builder and owner should also be able to.

    You’ve got to also remember that I’m guided in large part by spirit, with all my beneficial karma, random chance tends to sway my way. I even did a tarot reading before going to rescue my boat, it was 2 of wands, dominion, a good omen.

    calm aware desire choice love express intuit move

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