[Public-List] Spreader Material

[Kris Coward]

There's also the simple fact of being able to notice meathooks and other
damage in the stays themselves when said damage isn't 35' aloft...

-Kris

On Mon, Oct 07, 2013 at 03:03:42PM -0400, Gordon Laco wrote:
> Hello David - great club.
> 
> It's not the swages I'd suggest examining - Bruce is right that one needs to
> X ray or acid pigment them to reveal trouble - it's the pins, shackles,
> tangs, spreaders, sheaves etc that more frequently and regularly wear out.
> 
> Gord  Surprise #426
> 
> 
> On 07/10/13 3:00 PM, "David Gilbert" <bigkanu at rogers.com> wrote:
> 
> > My Club, ABYC in Toronto, is moving towards a mast up haul out for
> > certain larger vessels. I will not take advantage of this because
> > dismasting an Alberg 30 is very easy given the right equipment and
> > people. ABYC is a self help Club and sports both. I loosen the rig,
> > replace the locking rings on the clevis pins with a length of copper
> > wire, very easy to remove. Then take the clevis pins out of the
> > forward and aft lowers and let them hang loose; move to the mast crane
> > area. Put the straps around the mast and lift to just below the
> > spreaders. Good idea to have a secure line pulling down on the strap
> > and secured at the base of the mast. Remove the footing bolt, ensure
> > the strap now has the weight of the mast. Remove the four cardinal
> > uppers, lift the mast and it's done. The copper wire/clevis pin method
> > beats turning off turnbuckles by several minutes.
> > When we had the boat in Prinyer's Cove for 7 years we never took the
> > mast down. Conventional wisdom says to always take it down to inspect
> > the swaged fittings. I asked Bruce Burgess at the rigging Shoppe about
> > this and he told me that the only way you can identify weaknesses in
> > the swaging is by Xray. So it stayed up. Of course I have aluminum
> > spreaders but, if they were wood I would want to inspect them every
> > year.
> > David
> > On 7-Oct-13, at 2:07 PM, Dominic Amann wrote:
> > 
> >> I noticed you suggested that it is a good idea to take down the mast
> >> for
> >> winter. I assume you have not yet done so for your boat? If not,
> >> would you
> >> accept a volunteer to help (so I can learn how it is done for my own
> >> boat)?
> >> 
> >> 
> >> On Mon, Oct 7, 2013 at 11:57 AM, Gordon Laco <mainstay at csolve.net>
> >> wrote:
> >> 
> >>> Very interesting Greg.
> >>> 
> >>> Black locust is wonderful wood.  We're making block shells out of
> >>> it, and
> >>> I'm planning on using it for the toe rails and rubbing strakes of
> >>> my wooden
> >>> boat as part of her rescue.
> >>> 
> >>> Best of all, when varnished it's got that lovely blonde look white
> >>> oak has.
> >>> 
> >>> Thank you.
> >>> 
> >>> Gord
> >>> 
> >>> 
> >>> 
> >>> 
> >>> On 07/10/13 11:53 AM, "Greg Bover" <gregbover at cbfisk.com> wrote:
> >>> 
> >>>> I think I recognize the wood properties chart from page 4-7 of
> >>>> The Wood
> >>>> Handbook: wood as an engineering material, put out by the Forest
> >>> Service. A
> >>>> well-thumbed copy sits on my desk in the organ building company
> >>>> where
> >>> I've
> >>>> been a wood worker and designer for 35 years. It is available at
> >>>> many
> >>>> libraries, especially academic ones, and can be had for cheap second
> >>> hand at
> >>>> Alibris. Hickory does have great compressive strength parallel to
> >>>> the
> >>> grain,
> >>>> but is in the grouping of "slightly or non-resistant" when it
> >>>> comes to
> >>>> decay, (page 3-18). The best domestic wood with the highest
> >>>> compression
> >>>> rating and in the "resistant to very resistant" category is black
> >>>> locust,
> >>>> followed closely by white oak. The book goes on to say that decay is
> >>>> hastened by water intrusion, so as others have mentioned, keeping
> >>>> the
> >>> finish
> >>>> up and the bolt holes sealed is the key to longevity.
> >>>> 
> >>>> Greg Bover
> >>>> A-30 #114
> >>>> LINNET
> >>>> Gloucester
> >>>> 
> >>>> 
> >>>> _______________________________________________
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> >>> 
> >>> 
> >>> _______________________________________________
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> >>> 
> >> 
> >> 
> >> 
> >> -- 
> >> 
> >> 
> >> Dominic Amann
> >> M 416-270-4587
> >> _______________________________________________
> >> These businesses support your Association:
> >> http://www.alberg30.org/store/A30supporters.html
> >> Please support them.
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> >> Public-List at lists.alberg30.org
> >> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> > 
> > _______________________________________________
> > These businesses support your Association:
> > http://www.alberg30.org/store/A30supporters.html
> > Please support them.
> > _______________________________________________
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> 
> 
> _______________________________________________
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> Please support them.
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-- 
Kris Coward					http://unripe.melon.org/
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