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Main Halyard Lock/Downhaul

Posted By: jkkartz1

Main Halyard Lock/Downhaul - 09/18/11 10:45 PM

I've had the pleasure of crewing on a Stiletto 27 the past few years. Our racing results have been modest to say the most.

Today we sailed a club race here on Charlotte Harbor. We were the only multihull, so we started with a mixed monohull fleet. As usual, we were slugs going upwind. We were out pointed by 15 degrees with similar speed to a Morgan 24 sailed by a very good sailor. A Harbor 20 (I'm holding my tounge the best I can)that started 5 minutes after us beat us to the 1 mile weather mark.

The big problem I see is with the lack of a secure main halyard lock so that downhaul tension can be applied.

When we hoist the main sail it does not appear to reach full hoist and then when the downhaul (5 to 1) the sail starts sliding down. By the time the race is to start I check the downhaul and it is slack. So I tighten it but it has run out of travel.

The sails are some sort of Quantam (Why?) squaretop, yellow string sails.
The difficult problem is explaining to the skipper how important it is to have a secure halyard lock and how the down haul affects the sail going upwind.

The skipper is a retired Ford engineer so a technical discussion is welcome.
Posted By: Clayton

Re: Main Halyard Lock/Downhaul - 09/19/11 05:47 PM

I don't have any trouble with my Halyard slipping on my Stiletto. How is it held? Normally its a wire/rope halyard. Maybe the line is not the proper type for a halyard and its creeping? First you need to get full hoist, if it doesn't there is a problem right there that will limit downhaul length. Make sure everything is loose, mainsheet, downhaul, outhaul. Even a small amount of resistance will keep you from getting full hoist.

Also, you need to foot off, do not try to point with the monos, not going to happen especially with the stock daggerboard.

Which (who's) Stiletto are you sailing on? Just curious.

Clayton
Posted By: waterbug_wpb

Re: Main Halyard Lock/Downhaul - 09/19/11 06:04 PM

agree. never try to point with a monohull, or you'll go just as slow. Foot away to gain speed/apparant wind and then work your way back up

Are you indicating that the rope clutch is slipping, causing the main to slide down, or is the halyard itself stretching/creeping once a load (downhaul) is applied?
Posted By: jkkartz1

Re: Main Halyard Lock/Downhaul - 09/19/11 06:28 PM

Pete Welch's "Inflight".

We will miss the Buzzelli race this year (BUMMER).

The problem probably is the main halyard stretching/creeping. How long is the halyard line from the wire rope to the opening in the mast? Can a halyard lock be added to the masthead without too mush trouble?

We cannot and do not try to point with them, but we are not even close upwind. The Morgan 24 pointed about 15 degrees higher and without a spinaker finished a 3.6 mile course in 1hr 9 min. We started at the same time as the M24 and with our spin finished in 1hr 19mins.

Without having the main halyard locked at the masthead we cannot apply any downhaul and in my eye, the main looks like used oats.

I need some ammunition to explain to the skipper how important locking the halyard is. He came from sailing a Hunter and does not fully understand cats.
Posted By: carlbohannon

Re: Main Halyard Lock/Downhaul - 09/19/11 08:40 PM

Smaller Cats require a method of attaching the sail to the top of the mast due mast weight/stiffness concerns. The Stiletto mast is in the stiffness range where this is not a big concern.

From your description your halyard/downhaul does not appear to be working correctly. If you are pulling the sail down with a 5:1 downhaul, the sail should not slide down the mast and it should never stay in that position with a slack downhaul The first thing I would look at is the halyard stretch, then whatever cleats the halyard, then is the main halyard wrapped or crossed with another line allows sail to slide down over time and finally climb the mast hoist the sail, apply downhaul and look at how the halyard runs over the sheave.
Posted By: Clayton

Re: Main Halyard Lock/Downhaul - 09/19/11 08:46 PM

I've never seen/heard of a Stiletto main halyard locked at the masthead. Not sure how you do that. But, with the right halyard you shouldn't need to. Are you sure its the halyard moving or is the sail needing attention? Again, how is the halyard secured? Standard setup is a cleat just below the exit point on the mast but I have seen it go thru a rope clutch instead. Either works without any trouble.

Clayton
Posted By: waterbug_wpb

Re: Main Halyard Lock/Downhaul - 09/19/11 08:51 PM

Originally Posted by jkkartz1
I need some ammunition to explain to the skipper how important locking the halyard is. He came from sailing a Hunter and does not fully understand cats.


Surely even Hunters benefit from good sail shape/shape control? How do the telltales read when the sail is in this state?

I suspect deep draft from slack downhaul is probably not necessary and is generating a lot of drag, which would slow forward progress unnecessarily.

Posted By: jkkartz1

Re: Main Halyard Lock/Downhaul - 09/23/11 06:23 PM

I picked up a new halyard from Stiletto today. It probably will not get installed until next weekend. I pulled a single and double block from the stash and will attempt to engineer up a 3 to 1 to pull on the existing halyard.

We'll see.
Posted By: mikekrantz

Re: Main Halyard Lock/Downhaul - 09/23/11 06:50 PM

Another option is to set a 2:1 halyard.

Mine comes out the mast, goes through a Tlaska H8 on the head of the sail, and terminates back at the masthead.

The only downside is that you have to double your halyard length, but it accomplishes reducing the clutch load in half.

-M
Posted By: ThunderMuffin

Re: Main Halyard Lock/Downhaul - 09/23/11 08:35 PM

Originally Posted by mikekrantz
Another option is to set a 2:1 halyard.

Mine comes out the mast, goes through a Tlaska H8 on the head of the sail, and terminates back at the masthead.

The only downside is that you have to double your halyard length, but it accomplishes reducing the clutch load in half.

-M


The quick way to get an invite on Mike's R33 is to offer to hoist the main!
smile
Posted By: Clayton

Re: Main Halyard Lock/Downhaul - 09/26/11 01:43 PM

Took the Stiletto out Saturday, pretty light wind day. Verified what was said earlier. Make sure everything is loose, downhaul, outhaul, traveler, main sheet. Main goes all the way up until it hits, cleat off, set everything according to wind. My downhaul is only 4/1, but works OK. Main headboard never moves when cranked on downhaul even after all day. This spring we had a LOT of wind for a few months so I would know if it was a problem.

Let us know how the new halyard works out.

Clayton
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