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Go Back   SailNet Community > Skills and Seamanship > Learning to Sail > Flapping leach
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Thread: Flapping leach Reply to Thread
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Topic Review (Newest First)
02-27-2007 09:50 AM
Loewe Thought it might be Lanier. I was a member at ASC for a long time when I lived in Augusta. During the drought years some of the OD racing had to be done at our place on Strom Thurmond Lake. Always nice to have neighbors with water.
Regards,
Red
02-26-2007 07:44 PM
mwrohde
Quote:
Originally Posted by Loewe
Which lake in GA?
Lake Lanier
02-26-2007 04:25 PM
Loewe I love "discovery learning"! Only apply enough tension on the leech line to stop the flutter MW. If that results in significant cupping of the leech then the cloth is tired and if your concern is speed, (like Giu) then a trip to the loft is in order. Start saving now! As long as you are happy just out kicking around on the pond you can sail with that situation for a very long time. Which lake in GA?
Regards,
Red
02-25-2007 09:14 PM
mwrohde Thanks, all. I was back out on the boat today, and what do you know? It has a leach line. I just didn't know that such a thing existed or what is was for. Turns out that it works as advertised. Thanks much. I'll be back, I'm sure, with more questions.
02-15-2007 12:30 AM
Sailormann Uhmm - you do have battens in your sail don't you ? (I don't mean to be condescending but you mentioned that you haven't got a lot of experience so I think it's a good idea to start with the obvious) Battens are pieces of wood or fibreglass in pockets that open on your sail's leach. They run horizontal to the boom. If you have them, and if you have a channel for a leach line, but not line, then run a thin cord through the channel and make a new leach line. That will take care of it. There is a chance that your sail was made without a leach line, it is not unusual on smaller boats. In that case you could conceivably have a channel added to the sail. Finally, depending on the age of the sail, it is possible that it has become very stretched. In that case you either need to have it recut, or just fold the leach over and duct tape it in place until you can afford new ones
02-12-2007 07:27 PM
johnsail
Is there a boom vang/preventer?

Jibs, mainsails -- there's a difference? My mistake!

Does the boat have a boom vang? It keeps the boom from lifting (and the leech from curving off) when the sheet is eased on a reach. The most simple vang is a line secured on the boom a few feet aft of the mast, then led down to a block on the deck, then running aft to a winch or cleat in the cockpit. There are more complicated (and powerful) systems.

As the boom lifts when you ease sheets, tighten the vang to keep the boom about parallel to the deck. A big plus for the line or tackle down to the sidedeck is that it prevents the boom from swinging around and hitting heads. A neurosurgeon friend of mine has counted two dozen plus fatalities from booms.
02-12-2007 12:46 PM
sailingdog Tension on the foot of the sail can help flatten the sail shape, but may or may not help with the shape of the leech. Unlike the tension of a jib car, the tension of the outhaul is primarily outwards, with very little downwards component. By moving the jib fairleads you actually alter the vector of force acting on the sail by changing the angle of the sheet. The boomvang would have more effect on the leech of the sail than the outhaul IMHO. However, if the sails are a bit older and a bit blown out, the boom vang and outhaul won't do much at all, and you really will need to use the leech line then.
02-12-2007 12:06 PM
hellosailor Tension on the mainsail outhaul should shape the leech of the main, in the same way that tension on the jib car shapes the leech of the jib, no?

So adjusting the tension on the outhaul might also deal with the leech fluttering?
02-12-2007 11:55 AM
Giulietta
Quote:
Originally Posted by mwrohde
Giulietta, I've been lurking a while and feel like I know you. I love your sense of humor. Thanks for the help. SailingDog, I've read a lot of your posts, too. Thank you.
You know me?? Have you been in Cascais?

Its not sense of humor, I am like that since birth....guess someone dropped me head first....

Wanna be my friend??? Bash CD's boat.....
02-11-2007 10:22 PM
sailingdog The cleat is usually a plastic clamcleat that is directly attached to the sail, and the leech line does run up along the leech of the sail, usually in a hemmed over pocket. BTW, it usually is a fairly light line.
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