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    Re: Celestaire Sextant Case
    From: Robert Eno
    Date: 2006 Sep 6, 21:05 -0500

    G'day Bill

    That is hilarious.  MEK. Now that is genuine nasty. We had to dispose of a
    quart of this stuff about 15 years ago.

    Reminds me of the old trick on a winter construction site when you send the
    new guy out to get Herman Nelson. Poor bugger runs all over the site asking
    for Herman Nelson (for those of you who live in warmer climates, a Herman
    Nelson is a type of diesel-fired industrial heater) and the older guys keep
    sending him hither and yon.....Similar set up to the sky crane quest.

    A piece of wood screwed to an ABS pad which is then glued to the top of the
    lid may be the trick and obviates the need to drill a hole in the lid.

    cheers,

    Robert

    ----- Original Message -----
    From: "Bill" <billyrem42@earthlink.net>
    To: <NavList@fer3.com>
    Sent: Wednesday, September 06, 2006 9:41 PM
    Subject: [NavList 1197] Re: Celestaire Sextant Case


    >
    >> My case is also an underwater kinetics unit so
    >> the ABS might work. But I wonder how it would react to the foam post.
    >
    > Robert
    >
    > The 5200 and 4200 3M line is Polyurethane and does not like ABS but would
    > like your boat's fiberglass a ton.  A silicone sealant should not have a
    > problem with ABS and should give you all the structural integrity you need
    > for a foam post.
    >
    > If going wood or something like it, then I would consider an ABS pad
    > mounted
    > to the wood with flat-head countersunk screws, then adhere that pad to the
    > lid with ABS cement.
    >
    > You are right, some things just don't mix.  FRP resin on Urethane foam, no
    > problem if I recall.  The running joke in my DOD product development lab
    > at
    > UniRoyal was to hand the new college-kid summer help a Styrofoam coffee
    > cup
    > and send him over to get a cup full of MEK.  I swear, that stuff never
    > settled in the bottom of the cup as I recall, it passed straight through.
    > I
    > stood there like a deer in headlights. <g>
    >
    > Bill
    >
    >
    >
    >
    > >


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