[Public-List] furling gear and spinnaker halyard

George Dinwiddie via Public-List public-list at lists.alberg30.org
Fri Jun 24 12:02:43 PDT 2016


Thanks, Wes. I posted your photos to 
http://alberg30.org/maintenance/SparsSailsRigging/Masthead/

  - George

On 6/24/16 12:39 PM, George Dinwiddie via Public-List wrote:
> Wes,
>
> Is that U-bolt holding the spinnaker halyard? If so, what size is it?
>
> And may I post this photo on the website?
>
>   - George
>
> On 6/24/16 12:30 PM, Wes Gardner wrote:
>> Hi All,
>>
>> Here's a pic of my crane.  I just bought an asym that I'm messing with.
>>
>> https://www.dropbox.com/s/u9yoye1486z6ywh/Spin%20Halyard%20Crane.jpg?dl=0
>>
>> On Fri, Jun 24, 2016 at 12:26 PM, George Dinwiddie via Public-List
>> <public-list at lists.alberg30.org <mailto:public-list at lists.alberg30.org>>
>> wrote:
>>
>>     Gord,
>>
>>     Send it to me, also, and I'll add it to the website.
>>
>>      - George
>>
>>
>>     On 6/24/16 11:45 AM, Gordon Laco via Public-List wrote:
>>
>>         Hello Hernan,
>>
>>         I do; will send tonight when I'm back in my hotel.   It looks a
>>         little industrial; but its small and strong... And when it's 36'
>>         up in the air it just looks like a little shiny thing ...
>>
>>         G
>>
>>         On 2016-06-24, at 11:40 AM, Hernán Scarnichia
>>         <hernanscar at gmail.com <mailto:hernanscar at gmail.com>> wrote:
>>
>>             Gordon,
>>             Do you have any pics that you could post of your custom
>> crane?
>>             How did you attach it to the mast head?
>>             Hernan
>>
>>             On Jun 24, 2016 6:41 AM, "Gordon Laco via Public-List"
>>             <public-list at lists.alberg30.org
>>             <mailto:public-list at lists.alberg30.org>> wrote:
>>
>>                 I built a spin halyard crane for Surprise's halyard.
>>                 Holds halyard block a few inches forward of the stay as
>>                 is more normal in other classes. Works very well.
>>
>>                 Gord 426 Surprise.
>>
>>                 On 2016-06-24, at 10:34 AM, via Public-List
>>                 <public-list at lists.alberg30.org
>>                 <mailto:public-list at lists.alberg30.org>> wrote:
>>
>>                     When we raced J Bergquist's Calliope with a racing
>>                     Genoa on the foil, we led the spin halyard around
>>                     the backside of the port side spreader, to a loop
>>                     attached to the base of the turnbuckle. We could
>>                     tension it up after cleaning up upwind. We never
>>                     rolled the jib during sail changes.
>>
>>
>>                     Mike
>>
>>                     Michael J. Meinhold
>>                     meinhold272 at gmail.com <mailto:meinhold272 at gmail.com>
>>                     / 301 852 0619 <tel:301%20852%200619>
>>
>>                         On Jun 24, 2016, at 9:35 AM, Jonathan Bresler
>>                         via Public-List <public-list at lists.alberg30.org
>>                         <mailto: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
>> <http://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
>>
>> <http://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
>>                         <mailto: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/
>>                             GPG Fingerprint: 2BF3 957D 310A FEEC 4733
>>                             830E 21A4 05C7 1FEB 12B3
>>
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>>
>>
>>
>>                         --
>>                         Jonathan M Bresler
>>                         S/V Constance Alberg 30 #262
>>                         Annapolis/Eastport MD
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>>     --
>>
>> ----------------------------------------------------------------------
>>       When I remember bygone days                         George
>> Dinwiddie
>>       I think how evening follows morn;
>>     gdinwiddie at alberg30.org <mailto: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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>>
>

-- 
  ----------------------------------------------------------------------
   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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