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2218[bolger] Re: glass boards in wooden boats

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  • Chuck Leinweber
    Feb 2, 2000
    • 0 Attachment
      John:

      IMHO the advantage of concrete for ballast is it's ability to conform to odd
      shapes in the bilges of larger (preferably steel) boats. Wouldn't steel
      plate encased in epoxy would be better than concrete in this application?

      Chuck Leinweber
      Duckworks Magazine
      http://www.duckworksmagazine.com


      ----- Original Message -----
      From: Fries, John <John.Fries@...>
      To: <bolger@egroups.com>
      Sent: Wednesday, February 02, 2000 6:55 AM
      Subject: [bolger] Re: glass boards in wooden boats


      > Very interresting. A discussion a few days back about the relative ease
      of
      > building the Single Handed Schooner vs. Light Schooner focused on the lead
      > in the centerboard. How about using concrete? I know it wouldn't be as
      > heavy as the lead, but, if you coated the interior of the void to be
      filled
      > with epoxy first, that could address concerns about rot at the
      wood/concrete
      > interface. Probably would coat the outside of the concrete with epoxy for
      > further waterproofing. Is this crazy?
      >
      > > -----Original Message-----
      > > From: Robert N. Lundy [SMTP:robert@...]
      > > Sent: Tuesday, February 01, 2000 5:41 PM
      > > To: bolger@egroups.com
      > > Subject: [bolger] Re: glass boards in wooden boats
      > >
      > > Oooo....
      > >
      > > Every once in while (ok, pretty often) I'm amazed at some of the
      original
      > > thinking on this list. Using the concrete backerboard from Home Depot
      > > would
      > > give some heft and glass/epoxy should stick. And you could leave out
      the
      > > lead as the concrete might have enough negative bouancy to sink the
      whole
      > > thing. And this is a product that's designed to withstand water in the
      > > first place.
      > >
      > > Neat idea. Who wants to try it?
      > >
      > > Robert & Amy Lundy
      > > St. Petersburg, fla.
      > > robert@...
      > > amy@...
      > >
      > >
      > > > -----Original Message-----
      > > > From: Peter Vanderwaart [mailto:pvanderw@...]
      > > > Sent: February 01, 2000 2:48 PM
      > > > To: bolger@...
      > > > Subject: [bolger] Re: glass boards in wooden boats
      > > >
      > > >
      > > >
      > > > My Stuart-built Mariner had a FG centerboard. No problems.
      > > >
      > > > Given a satisfactory way to build one, an FG board should work well.
      It
      > > > would be heavy enought to do without lead inserts - a great
      convenience
      > > > in the building. If you don't have a wooden core, I see no reason to
      > > > use epoxy instead of polyester.
      > > >
      > > > The problem with using wood or, more especially, foam as a core is
      that
      > > > the board may turn out to have positive buoyancy.
      > > >
      > > > There was an article in the Catboat Bulletin some years ago by a man
      > > > who made a new centerboard for his Marshall catboat using an aluminum
      > > > core (which was quite flexible), covered by FG. I wonder if there is
      > > > some other possibility in the stacks at Home Depot. Perhaps some sort
      > > > waterproof panel material used behind tile walls in bathrooms or under
      > > > showers could be used as a core material.
      > > >
      > > > Peter
      > > >
      > > >
      > >
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