Aussie halyard system - repair :: Catamaran Sailboats at TheBeachcats.com

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Aussie halyard system - repair

yelkenli1

Rank: Mate

Registered: May 31, 2011

Last visit: Dec 17, 2023

Posts: 126
Posted: Nov 19, 2012 - 06:09 PM

I have an Aussie halyard system that I think might be homemade or scavenged. It is from an 07 Hobie that was part of a rental fleet in GA. I suspect that the parts might be swapped with other boats, or some of the parts 'homemade'.

The issue is the Aussie halyard. The forestay is shackled to the top of the halyard block, which is then connected to the mast tang by a short pig tail. I believe that, after a day's sail, when striking the sails by releasing the tension on the halyard, the halyard block pinches against the now tensioned forestay, and prevents the free running of the halyard in the sheave. I have to use most of my weight to pull down the sail.

my question is should I add a pigtail as shown in this picture from a Murray website? will that cure the problem?

I also have this pic from the Hobie catalogue

It indicates that maybe the halyard shipped from Hobie is longer? is this the case?

a second issue, maybe an issue, maybe not, maybe related, maybe not, is when i stepped the mast for the first time, I had to put the shrouds on the last adjustment of the shroud adjustment plates, and the forestay close to its end, as if the wire ropes were not long enough. Could this be related? I think the boat had sat for a season or two before I purchased it.

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Ted
Hobie 16
South Carolina Lake sailing
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yelkenli1

Rank: Mate

Registered: May 31, 2011

Last visit: Dec 17, 2023

Posts: 126
Posted: Nov 19, 2012 - 06:59 PM

Another thought on the difficulty pulling down the sail is maybe the halyard line is binding up. It seems to twist on itself when hoisting the sail. The sail hoists well enough, and when tensioning the halyard, I seem to get the mast to rock forward as the halyard comes down another couple inches and then feels like no more should be pulled.

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Ted
Hobie 16
South Carolina Lake sailing
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rattlenhum

Rank: Mate

Registered: Aug 01, 2002

Last visit: Sep 14, 2024

Posts: 425
Posted: Nov 20, 2012 - 12:13 PM

Sounds like someone put on a lower forestay from an older H 16 (without the Aussie system) and, since it was too short, attached it to the top of the halyard block (which is wrong). The older forestay attached to the bottom of the fiddle block and was a lot shorter than the forestay for the Aussie rig. It sounds like you need a forestay for the Aussie system which attaches to the tang....according to the wire guide it is 18' 9.75" long.

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Jerome Vaughan
Hobie 16
Clinton, Mississippi
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the-renovator

Rank: Mate

Registered: Sep 29, 2012

Last visit: Jan 10, 2018

Posts: 441
Posted: Nov 20, 2012 - 12:38 PM

Hobie jibs have a stay that runs up the luff of the sail and are "hanked" onto the forestay, when the jib is raised, downhaul is applied to the point that the forestay becomes slack and the stay in the jib now becomes the forestay. The Aussie system just gives you 4:1 downhaul on the halyard, allowing you to crank on the tension on the jib luff. Like Jerome says, what you have there is not correct.
yelkenli1

Rank: Mate

Registered: May 31, 2011

Last visit: Dec 17, 2023

Posts: 126
Posted: Nov 20, 2012 - 07:22 PM

I think the problem is the wrong forestay as Jerome states. A replacement part for the upper forestay for an Aussie retrofit to older boats is $23, but a new Aussie length forestay is $30 to $40. I might go with the latter as this would give me a new forestay, replacing a used part with possible hidden defects, with one less shackle connection.

It might be a while before I make the replacement, but will report back on the resolution.

One last question on this. Did Hobie change the length of side shrouds over the years? Or should these be one length. I am looking for other possible variables.

Thanks,

--
Ted
Hobie 16
South Carolina Lake sailing
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nacra55

Rank: Mate

Registered: Nov 02, 2004

Last visit: Aug 07, 2023

Posts: 626
Posted: Nov 20, 2012 - 07:38 PM

Yes, the shroud length got shorter, not sure of the date, early to mid 90's. I think they were changed to the same length as a Hobie 17. I don't remember the length. Try a Google search or maybe a 16 sailor can tell you.

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Ron
Nacra F18
Reservoir Sailing Assn.
Brandon, Mississippi
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the-renovator

Rank: Mate

Registered: Sep 29, 2012

Last visit: Jan 10, 2018

Posts: 441
Posted: Nov 21, 2012 - 07:35 AM

Ted, what you should have is that after-market pigtail for the older Hobies you show in the top pic, it's designed to be added to the top of your forestay at the longer tail using a shackle. Blocks are then connected to the shorter tail giving you the Aussie Halyard

Edited by the-renovator on Nov 21, 2012 - 07:40 AM.
rattlenhum

Rank: Mate

Registered: Aug 01, 2002

Last visit: Sep 14, 2024

Posts: 425
Posted: Nov 24, 2012 - 09:06 AM

Something to consider after further thought.....

If your standing rigging is five years old or more, you might just want to replace all of it. Last year, I got a set from Salty Dog for ~$120 shipped. It included bridles, shrouds, and forestay, but not the trap wires or the pigtail for the Aussie halyard (those can be had for more $ of course). They are the stock size (1 x 19?), double swaged, and great quality. If you go this route, be sure to specify your year model so they get the lengths right. Also, be sure to specify that you have the Aussie jib halyard. You can get them coated or not. I like the coated shrouds and bridles, but recommend against coating the forestay (makes the jib hank hang up). Good luck!

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Jerome Vaughan
Hobie 16
Clinton, Mississippi
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