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Thread: Concrete Boat

  1. #26
    Petty Officer 2nd Class
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    Default Re: Concrete Boat

    Absolutely!

    Ferro cement boats can be wonderful masterpieces!

    My friend (now 81) built himself two amazing sail boats - one 60' and on 40' using the ferro cement method. It is labour intensive, but the results are amazing (if you know how to finish the cement well).

    Just looking at his boat, you couldn't tell that it was cement.. it looked exactly as a fibreglass boat would, until you knocked on the hull. They are solid, beautiful boats that are still sailing strong today (40 years later).

    If I had money, time and the patience I would certainly consider building a cement boat. They are like any boat though.. improperly built, or improperly maintained, and they will bite you some way or another.

    My friend ran aground on his boat and punched a 6" whole in the hull - the fix was to mix some concrete on the spot, apply, let dry, and away he went!

    google ferro cement.. you can see alot of construction blogs and step by step pictures.

  2. #27
    Petty Officer 1st Class
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    Default Re: Concrete Boat

    Just FYI, the ice/sawdust mixture was known as Pykrete. It was the invention of a guy named Pyke. There was a plan to build a floating, mobile airfiield out of it, complete with below surface level work and living spaces. A model was built on a lake in Canada and I believe it took over two years for it to melt away. The effects of shell fire, torpedo or bombing was negligible. It was so big and the ice just cratered and refroze. Surface craters could just be filled in and refrozen. The expense and change of the tide of war put it to bed.

  3. #28

    Default Re: Concrete Boat

    There's a lot of history on concrete boats and ships on the internet. But what first intrigued me is there is one here in Bethlehem, PA. It was brought here by a boat salesman sometime after WWII. I don't know much about it or what he planned to do with it. He had it up on a wooden drydock near his sales shop. But when I-78 was constructed, he moved his business but left the concrete boat there. In the winter, when the leaves are off the trees, you can still see it beyond Rt. 378 going South just past the I-78 overpass. It's easier to see, however going north on 378 just before the I-78 overpass - but only in winter. I believe the old wooden drydock it was on rotted away and dropped the boat on it's side - but it is still there.

  4. #29
    Lieutenant DaNinja's Avatar
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    Default Re: Concrete Boat

    Welcome to 2010, Lady.
    Oh, Happy New Year!
    It's almost 2011 here.
    1995 SeaRay BR200 5.0 Alpha I "Texas Belle"
    1999 Starcraft Aurora 2415 5.7 Alpha I "MO Belle"

  5. #30

    Default Re: Concrete Boat

    Quote Originally Posted by Bilgamesh View Post
    There are remnants of a concrete ship on the shore of the beach near Santa Cruz Ca. I walked on the deck several years ago. I think the story was that it was used at a time in WWII when available metal was used for warships.



    Check this: http://www.concreteships.org/
    This was the SS Palo Alto built in 1919 as a tanker. She was one of many concrete cargo carriers build during WW I. She was in San Francisco until 1930 until she was towed to Rio del Mar and used as a night club until the depression. There is also the story that she was in service when driven ashore by a storm but that is a romance. She was still showing orange paint during the '50's when I last saw it, it has also broken since then.

  6. #31
    Master Chief Petty Officer tswiczko's Avatar
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    Default Re: Concrete Boat

    I worked with a man several years back who said he built ship out of concrete during WWII and also built some mulberry harbors, but as to the fact of that I can not confirm.

    He has since past away so I can not get any Information as to the ship yards he worked to confirm this. I have heard of other stories of this so I will assume it is true.
    There is no unhappiness like the misery of sighting land (and work) again after a cheerful, careless voyage. Mark Twain
    T
    “The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.” ~William Arthur Ward

    Never argue with a fool, people might not know the difference.

  7. #32
    Lieutenant DaNinja's Avatar
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    Default Re: Concrete Boat

    Quote Originally Posted by DaNinja View Post
    Welcome to 2010, Lady.
    Oh, Happy New Year!
    It's almost 2011 here.
    Happy 2011!!
    1995 SeaRay BR200 5.0 Alpha I "Texas Belle"
    1999 Starcraft Aurora 2415 5.7 Alpha I "MO Belle"

  8. #33
    Chief Petty Officer jayhanig's Avatar
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    Default Re: Concrete Boat

    I seem to recall one out of either Carolina Beach or Wrightsville Beach, NC back in the early 80s called the Sea Mint. IIRC it was in the 26-40 foot range. Truthfully, I just can't remember but I'm certain I saw it. The reason I remember was because of its distinctive name being so appropriate: everybody on board laughed when we heard it. It looked like a nice sport fisherman for offshore use.
    Jay Hanig
    Topsail Beach, NC USA
    1985 Galaxy 176 Bowrider
    "No Good Deed"

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