[Public-List] furling gear and spinnaker halyard
Wes Gardner via Public-List
public-list at lists.alberg30.org
Fri Jun 24 09:30:13 PDT 2016
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> 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>
>> 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> 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> 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 / 301 852 0619
>>>>>
>>>>> On 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/
>>>>>>> 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
> 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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