[Public-List] #56 Topping Lift Question

Joseph Balderson via Public-List public-list at lists.alberg30.org
Sun Sep 24 04:20:08 PDT 2017


Does anyone use a mechanical boom vang of the type which will support the
weight of the boom?

On Sep 23, 2017 5:31 PM, "James Cowhey via Public-List" <
public-list at lists.alberg30.org> wrote:

> Thanks, everyone.  I think I'll stick with what I have and maybe upgrade
> to a slightly bigger diameter next season or so.  My experience had been
> with wiring so this small braided line was of concern but I understand
> while I'm might be slightly undersized it should keep working properly.
>
> James Cowhey
> Sent from my iPad
>
> > On Sep 22, 2017, at 10:49 AM, Mike Lehman via Public-List <
> public-list at lists.alberg30.org> wrote:
> >
> > Plus...remember that the old wire lift was adjusted from the boom end
> which
> > you could not reach when running down wind.
> >
> > On Sep 22, 2017 8:54 AM, "Gordon Laco via Public-List" <
> > public-list at lists.alberg30.org> wrote:
> >
> >> Good morning –
> >>
> >> We use ¼” polyester double braid for our main topping lift, which starts
> >> with a snap shackle at the outer end of the boom, goes up to a swivel
> block
> >> at the masthead, then down to a clamcleat on the mast.  It’s tail is
> coiled
> >> onto the small spar cleat fitted lower down at the factory.
> >>
> >> Wire was once common for lifts, I think because of the small windage
> they
> >> afford, but on the other hand the wire is thought to beat hell out of
> the
> >> stitching on the leach of the mainsail, so people used to resort to the
> >> awkward expedient of attaching the lift to a ring on the backstay.  I
> never
> >> liked that set up because to replace the lift one had to first catch the
> >> end of the boom.  And of course in heavy air when one wants to reef,
> >> re-attaching the lift to support the boom during the procedure can be
> >> dangerous.
> >>
> >> A rope lift doesn’t bother the sail much, can be very easily adjusted
> from
> >> the mast, and on two occasions over thirty years with two boats... that
> >> lift has served as an emergency main halyard.
> >>
> >> Gord
> >> #426 Surprise
> >>
> >> On 2017-09-22, 12:04 AM, "Public-List on behalf of George Dinwiddie via
> >> Public-List" <public-list-bounces at lists.alberg30.org on behalf of
> >> public-list at lists.alberg30.org> wrote:
> >>
> >>    James,
> >>
> >>    1/8" seems a bit small, but it could be that the block at the
> masthead
> >>    was designed for wire. I think 3/16" or 1/4" line is more common.
> >>
> >>    The ones I've seen with wire rope have been fixed at the masthead and
> >>    have a braided line tackle between the wire and the boom. That seems
> >>    overkill, to me, as stretch really isn't an issue.
> >>
> >>      - George
> >>
> >>>    On 9/21/17 10:52 PM, James Cowhey via Public-List wrote:
> >>> This is my first post since taking ownership of #56 Mo Cuisle,
> >> formerly Inherit the Wind.  I'v already learned a few things from the
> >> listserv.  I'm sure I'll have more questions as I get to know her.
> >>>
> >>> A previous owner rigged the topping lift with 1/8 inch braided
> >> line.  I this a racing modification?  The line runs from the end of
> boom to
> >> a block at the masthead to a cleat near the bottom of the mast.  The
> line
> >> seems too stretchy, but I've only ever seen wire rope topping lifts.
> What
> >> is the preferred or OEM rig for the topping lift on these boats?
> >>>
> >>> I haven't owned a boat in over fifteen years, and I ended up buying
> >> this one in July and it was the first one I looked at when I considered
> >> ownership again.  These are special and beautiful boats.
> >>>
> >>> Thanks.
> >>>
> >>> James Cowhey
> >>    --
> >>      ------------------------------------------------------------
> >> ----------
> >>       When I remember bygone days                         George
> Dinwiddie
> >>       I think how evening follows morn;
> >> gdinwiddie at alberg30.org
> >>       So many I loved were not yet dead,
> >> http://www.Alberg30.org
> >>       So many I love were not yet born.                          also
> see:
> >>                    'The Middle' by Ogden Nash
> >> http://idiacomputing.com
> >>      ------------------------------------------------------------
> >> ----------
> >>
> >>
> >>
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> >>
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