[Public-List] furling gear and spinnaker halyard

[Wes Gardner via Public-List]

BTW,

With my spin halyard arrangement, when sailing under jib, the spin halyard
must be brought back to the mast or it could/can/will foul the upper swivel
of the roller.  No big deal, it's just something to remember.

On Fri, Jun 24, 2016 at 9:35 AM, Jonathan Bresler via Public-List <
public-list at lists.alberg30.org> wrote:

> Charles,
>
> A halyard that is parallel to the forestay is in danger of being wrapped
> around the forestay by a roller furler.
> The forces can be great enough to break the forestay as Kris related
> above.  From what I've read, it appears
> that the halyard should be angled of 5 to 10 degrees aft from the stay
> starting at the top swivel.  The "restrainer"
> should be attached to mast in order to achieve that angle.
>
> Brion Toss writes "A furler's halyard swivel is a wonderful device,
> enabling you to adjust halyard tension, even if the sail is furled. But it
> is also a tremendous Achilles heel, the source of the majority of the
> furler problems we see in our shop. For example, if the halyard leads too
> close to the foil, and especially if the halyard is slack, it can get
> caught up on the foil while you are setting or furling the sail. This is
> the terrible "halyard wrap" that can make it impossible for the furler to
> rotate, or for the sail to go up or down. And it can damage or destroy the
> foil, the wire, and the halyard. Accordingly, every manufacturer that has a
> halyard swivel is extremely emphatic on proper halyard lead and tension, as
> well as optimal swivel height. Particulars vary, but the general idea is to
> have the top of the swivel just a few inches below the top of the foil, and
> to have the halyard angled slightly aft from the swivel. Profurl handles
> both these details with their "Wrapstop", a Darth-Vader-Helmet-like object
> that clamps onto the top of the stay. Other manufacturers use "halyard
> restrainers" that clamp to the face of the mast, though increasingly spar
> builders are finally getting around to positioning jib halyard sheaves for
> an optimal furler lead, without the need for a restrainer."  (
> www.briontoss.com/education/archive/miscnov03.htm)
>
> Didnt see that the make of the roller furler is mentioned.   Constance has
> a Furlex.   Page 23 of the Furlex manual talks about the restrainer.
> (sailing.mit.edu/wikiupload/0/0b/Furlex_200S_Furler.pdf)
>
> Jonathan
>
> On Thu, Jun 23, 2016 at 10:43 PM, Kris Coward via Public-List <
> public-list at lists.alberg30.org> wrote:
>
> >
> > Put a halyard restrainer on the front of the mast to help keep the jib
> > and spin halyards clear enough of each other to keep this problem at
> > bay. I figured this one out the hard way (by breaking the forestay with
> > (jib) halyard wrap before putting the restrainer on--fortunately I was
> > able to rig up the spare halyard as an emergency forestay before the rig
> > got any ideas about falling over).
> >
> > -Kris
> >
> > On Thu, Jun 23, 2016 at 03:39:13PM -0400, charles pleisse via Public-List
> > wrote:
> > > Sookie has a spinnaker and most of the associated gear.  It all seems
> to
> > be
> > > original to the boat.  Furling gear was installed in the mid 80's.  I
> > > believe the spinnaker hasn't been used since.  I discovered why last
> > year.
> > > As many of you probably know, the spinnaker halyard interferes with the
> > > upper parts of the furling gear.  Is there any way to rig a spinnaker
> > > halyard on an original mast head that will not interfere with the
> furler?
> > >
> > > Charles Pleisse
> > > Sookie #221
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> > --
> > Kris Coward                                     http://unripe.melon.org/
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>
>
>
> --
> Jonathan M Bresler
> S/V Constance Alberg 30 #262
> Annapolis/Eastport MD
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