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Aussie Jib Forestay Slack
http://www.hobie.com/au/en/forums/viewtopic.php?f=14&t=69866		 Page 1 of 1
Author:  Singeria [ Sun Jun 05, 2022 4:52 pm ]
Post subject:  Aussie Jib Forestay Slack
Quick Edit: Spoke with the seller of my new parts (best customer service experience I can remember and way more than anyone would expect from an Ebay seller...) and I need to take some measurements but think my mast may have been cut down slightly at the bottom in the past. This would explain why I needed to drill and tap new holes to the mast base when I first got it and the bottom of the mast was a little jagged where it meets the mast base. So this weekend I'll have a look at the mast, anyone have an extra non-comptip mast in SE Michigan, I might be in the market?

-------

Replaced my rigging as I had a mast come down last season and decided to upgrade to the aussie jib setup while I was at it.
I hear the forestay will be VERY slack but mine still seems excessive.
What do you think of the picture, this is with the jib fully tightened and the shrouds in the bottom hole.

Image
Not sure how to embed photo so here is a link to my google photos:
https://photos.app.goo.gl/3aSZhP5y1nmoQYDm7
I probably should have put the forestay on the bottom chain plate for the picture, but there is still a lot of slack even when in the correct chain plate. Added the second to keep forestay out of jib when in use.

Bridle wires: https://www.ebay.com/itm/141905837271
Shrouds: https://www.ebay.com/itm/131728669101
Aussie jib/forestay: https://www.ebay.com/itm/131813055152

I'd say there is a foot of slack in the picture and 6 inches when in the correct chain plate, do I have incorrect parts or incorrectly rigged?

Thanks.
1976 Hobie, original mast (non comptip).
Author:  mmiller [ Mon Jun 06, 2022 12:34 pm ]
Post subject:  Re: Aussie Jib Forestay Slack
Normal, but you could also use some additional rake aft. That is very upright... the boat will sail better with rake.
Author:  Singeria [ Tue Jun 07, 2022 5:03 am ]
Post subject:  Re: Aussie Jib Forestay Slack
mmiller wrote:
Normal, but you could also use some additional rake aft. That is very upright... the boat will sail better with rake.



I had pulled the jib tight to demonstrate the max slack in the forestay just for this picture and question.
Author:  John Lunn [ Tue Jun 07, 2022 11:14 am ]
Post subject:  Re: Aussie Jib Forestay Slack
We tie a piece of bungee cord, say 15" long, to the lower part of the forestay, and the other end slightly higher.
After tightening the Aussie halyard system, the forestay goes slack.
Then snug up the bungee so that there is a bit of a loop of wire at the lower end of the forestay, but the rest is 'straight'.

Matt M is correct - your mast is too vertical: it needs to be raked back more.
This may set up weather helm in your rudders.

Good luck
Author:  Waiex191 [ Tue Jun 07, 2022 11:48 am ]
Post subject:  Re: Aussie Jib Forestay Slack
I used a double chainplate like Joe at Joyrider TV.
https://youtu.be/3t0E4dXMOZw
Author:  Singeria [ Wed Jun 08, 2022 4:29 am ]
Post subject:  Re: Aussie Jib Forestay Slack
Waiex191 wrote:
I used a double chainplate like Joe at Joyrider TV.
https://youtu.be/3t0E4dXMOZw


That is what I have, hard to see in the picture, but with the issue I have it still doesn't come close to keeping the forestay out of the way. I really think the mast was shortened but won't know until I can measure it.
Author:  Singeria [ Wed Jun 08, 2022 4:30 am ]
Post subject:  Re: Aussie Jib Forestay Slack
Can anyone confirm the length of an all aluminum mast should be 26.5 feet (26 feet without the castings)? I saw the posted drawing for the comp tip but not the all aluminum original mast.
Author:  Waiex191 [ Wed Jun 08, 2022 10:38 am ]
Post subject:  Re: Aussie Jib Forestay Slack
Singeria wrote:
Can anyone confirm the length of an all aluminum mast should be 26.5 feet (26 feet without the castings)? I saw the posted drawing for the comp tip but not the all aluminum original mast.

I'll measure mine when I get a chance. I have one on the trailer and one on the floor.
Author:  Waiex191 [ Wed Jun 08, 2022 5:17 pm ]
Post subject:  Re: Aussie Jib Forestay Slack
My mast is 26' without the castings. I just measured the extrusion.
Author:  mmiller [ Thu Jun 09, 2022 2:46 pm ]
Post subject:  Re: Aussie Jib Forestay Slack
The drawing says 26' 5/8" (312 5/8")
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