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 Post subject: Luff Track Update
PostPosted: Sat Nov 26, 2011 11:03 am 
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Joined: Mon Sep 12, 2011 7:28 pm
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Location: BC, Canada
I wonder if anyone found a DEFINITE NEED for the aluminum luff track update.
Would it be required for any specific sail type, such as square-top, or doing over 20 knots, etc.?

Thanks

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 Post subject: Re: Luff Track Update
PostPosted: Sat Nov 26, 2011 11:24 am 
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Joined: Mon Jul 14, 2003 7:11 pm
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Location: Detroit, MI
The newer Hobie brand sails with the Teflon bolt rope (from about 2000 onward) need the luff track update. The same mechanism that makes them easy to raise, allows the top of the sail to pull out of the track.

The bottom line: use the sail, and if it pulls out at the top, you need the update.


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 Post subject: Re: Luff Track Update
PostPosted: Mon Nov 28, 2011 5:32 pm 
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Also... contributing factor is the "Aussie" halyard ring with the shackle welded to the ring. No universal play at the shackle to ring connection, so when the mast rotates opposite of the sail... pulls the luff out of the track. Use the standard ring and un-welded shackle.

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 Post subject: Re: Luff Track Update
PostPosted: Mon Nov 28, 2011 8:38 pm 
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Quote:
Use the standard ring and un-welded shackle.


Is this going to make hooking/unhooking the main sail more difficult?
Previous owner had a piece of rope between welded twisted shackle and the main head board. Perhaps his way of dealing with the problem...

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 Post subject: Re: Luff Track Update
PostPosted: Tue Nov 29, 2011 4:32 am 
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Joined: Mon May 09, 2005 10:25 am
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jackB wrote:
Is this going to make hooking/unhooking the main sail more difficult?


The best ring/shackle system IMO is the current stock one, which is the one with the small loop welded to the top of the ring for the halyard tie-off and the twist shackle not welded to the ring. If you hoist/lower with the bows pointed directly into the wind, then the system works flawlessly.

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 Post subject: Re: Luff Track Update
PostPosted: Tue Nov 29, 2011 10:00 am 
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There is a trick or two...

FAQ Forum Topic: Sails - Hoisting Main Sails (Plus: Locking Halyards)

http://www.hobiecat.com/forums/viewtopic.php?f=18&t=371

Quote:
Locking the Hobie 17/18/20/21 Halyard:

It is best to simulate the halyard locking with the mast down so you clearly understand the system.

Then, depending on how old the boat is, be sure the hook does not have the old "flopper" stainless piece hanging on the hook. This old device caused difficulty in raising and hooking but would make it easier to release and lower.

Also, be sure that the knot tied to the ring is very low profile. A long bowline knot will hit the mast head before the ring gets to the hook.

If the ring has a small loop at the top... The line should be passed through the loop and a small knot tied. The knot (when ring and shackle are affixed to the sail) should be facing the mast. This tilts the ring closer to the mast.

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Then (before attaching halyard shackle to the sail) spin the halyard 3 or 4 times clockwise (looking down on the shackle). This "pre-loads" the halyard line and causes the ring to swing back towards the hook. Keep the boat into the wind and hoist. Should lock easily.

To release... fully release the downhaul and outhaul. Partially feed the sail up the luff track. Hoist with the halyard to the top till it stops, hold... rotate the aft of the mast base to starboard, hold the mast rotated, ease the halyard a few feet before releasing the mast. Lower the sail.

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 Post subject: Re: Luff Track Update
PostPosted: Tue Nov 29, 2011 7:14 pm 
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Location: BC, Canada
Thanks Matt, srm, and MBonds. This surely saved me the trouble of installing the luff track, at least for now. It is interesting, the knot position on the ring is counter intuitive. I am sure I've go it wrong every time.
:)

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