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Old 05-04-2013
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How to reef a lateen with reef points

Some of you may know I am making kayak into a sailboat, Ill be probabaly puttting a lateen rig on, but only if theres a way to reef with points, The kind I would make would have a yard and boom just like a sunfish, I would one day like to possibly use this in the everglades challenge where your required to have two reef points.
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Old 05-05-2013
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Re: How to reef a lateen with reef points

If I understand correctly, the reef points will be on the bottom of the sail near the boom except that they run radially from where the boom meets the gaff. When you reef it, you are taking the bottom slice of pizza out of the sail instead of when you might reef a sloop and end up taking the entire bottom two feet away or whatever. Am I making sense? ~LL
P.S. Don't make a habit of getting pizza on your sails, it makes them mildew.
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Re: How to reef a lateen with reef points

Well im comlpletely new to sailing and i know reefing reduces the sail area, but how? Do you have to go to the sail and tie new lines from the sail to the boom? Or is there a way to do it from the cockpit. Any time that i would be reefing would be at a time where i really cant be tiring a sail up
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Old 05-05-2013
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Re: How to reef a lateen with reef points

For as small a rig as you will have on your kayak I would install rows of grommets into the sail, one row maybe a quarter way up from the boom and another row maybe as high as halfway up if you want a storm setup. Short sections of rope will be fed through the grommet and tied around the boom. That makes the sail smaller which will enable you to sail but makes it less likely that you will destroy things when it is very windy. The other thing is that you want the sail to be less far up the mast when you reef so you may need something sort of like a boom vang to keep the entire sail and rigging from climbing the mast from the force of the wind. ~LL
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Old 05-05-2013
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Re: How to reef a lateen with reef points

What you are describing with the grommets running radially is very close to what I was considering. I was thinking of being able to reef before setting out from shore by pulling the upper spar (is it called a Gaff?) up only partway and then using the radial reefing points.
However, you might need to move the point of attachment of the halyard toward the mast on the Gaff when you reef.
Making a system where you can reef while underway is a bit more complicated but doable. In reality, every time I have sailed my small boats, it has been obvious before setting out from shore if I need a big sail or small sail.

You also might consider a feluca rig because it is even simpler than a Lateen and has only a single long spar and not the short lower one.
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Re: How to reef a lateen with reef points

When I first started sailing, I though the modern Marconi rig had evolved as the "optimum rig" and that it just looks "right". Since then, I have found that a modern Marconi rig is simply a compromise as the best configuration for most points of sail for most sailors needs. This may not be what you need.
For example, on a small boat, you might want an unstayed mast (without wires holding it up). A Lateen sail or Gaff rig enable an unstayed SHORT mast to carry a huge sail so they can be considerably better than a Marconi rig. A Marconi rig is complicated and expensive with its height and the stays. Due to this height and the stays, it is complicated to raise and lower the mast. By comparison, a Lateen or gaff rig mast is easy to raise and lower. For a short mast, a Lateen rig offers a huge amount of sail and LESS heeling moment for the same amount of drive enabling a boat to sail "on her lines" better and faster.
I intend to build another boat and if it is a sailboat, will be a large one, 34-36' length and it will have either a Gaff, Feluca or Lateen rig. One advantage of a lateen or feluca rig is you do not carry a jib so the entire sail plan is seriously simple. My reasoning is that my next boat will be a motor-sailor where I motor more than I sail. I plan to do this because I find that this is what I do anyway when I want to actually get somewhere. In other words, a power vessel with an auxiliary sail. An auxiliary sail should be simple hence a feluca or lateen.
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Old 05-05-2013
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Re: How to reef a lateen with reef points

Quote:
Well im comlpletely new to sailing and i know reefing reduces the sail area, but how? Do you have to go to the sail and tie new lines from the sail to the boom? Or is there a way to do it from the cockpit. Any time that i would be reefing would be at a time where i really cant be tiring a sail up.
You might want to adopt/adapt a jiffy-reefing rig. This site gives some info (for marconi, but it'll give you some idea):

Barton Marine - Tech Info - Sail Handling - Slab Reefing Kit Fitting 8.5m

"George Buehler's Backyard Boatbuilding" has a fine description & illustrations.

[Disclaimer: I have no connection with either reference, they are merely sources of information of which I happen to be aware.]

Good luck, have fun.
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Re: How to reef a lateen with reef points

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Originally Posted by Lateen Luffer View Post
For as small a rig as you will have on your kayak ~LL
Ive been known to over power things, Once I capsize Ill add outriggers.
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Old 05-05-2013
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Re: How to reef a lateen with reef points

I wouldn't even bother with reefing. We are talking about a sailing kayak here, right? If the conditions are not favorable for sailing, just paddle. You really are not going to be able to make a very complicated rig on a kayak. I am wonder if you will find that getting up wind, you will just paddle, and going down wind you could launch the sail. In that case, the sail is just catching air, not flying like a wing. It would not need to have an accurate shape. I haven't seen your other posts. Are you sold on doing this to a kayak. You may find some other small sailboat would work better (or even a rowing dinghy).
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Old 05-06-2013
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Re: How to reef a lateen with reef points

If you are talking about reefing a sunfish type sail, the reef points will need to go in a straight line from the forward point due to how the sail is cut and secured to the lower spar. If you were to put the reef points parrelle to the lower spar, you would get a lot of bunching towards the fore

I also remember from my sunfish days, in light air you can slide the pivot forward on the lower spar and raise the upper almost upright into a gunter style riig
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