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moody1
regular

Reged: 10/12/2005
Posts: 377
Loc: Anywhere in N.Europe that boat...

Re: Problem with the leech of mainsail

13/05/2008 08:18

IMHO and Hubbies - Leech lines are the devils work. A leech that is vibrating is showing that air is coming off it well, its the differential pressure that causes the flutter. The differential pressure is the reason sails work, as in aerofoils.
Tightening a leech line and stopping the flutter can hook the leech and decrease the performance of the sail. Compromise is to tighten just enough to decrease the vibration but not enough to hook the edge over.

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Post Extras

Entire topic
Subject	Posted by	Posted on
Problem with the leech of mainsail	cmedsailor	13/05/2008 06:59
Re: Problem with the leech of mainsail	Thistle	13/05/2008 08:20
Re: Problem with the leech of mainsail	William_H	13/05/2008 09:56
Re: Problem with the leech of mainsail	cmedsailor	13/05/2008 10:29
Re: Problem with the leech of mainsail	moody1	13/05/2008 11:32
Re: Problem with the leech of mainsail	moody1	13/05/2008 08:18
Re: Problem with the leech of mainsail	Krew2	13/05/2008 11:46
Re: Problem with the leech of mainsail	cmedsailor	13/05/2008 12:16
Re: Problem with the leech of mainsail	Rod045	13/05/2008 15:03
Re: Problem with the leech of mainsail	moody1	13/05/2008 12:33
Re: Problem with the leech of mainsail	sailorman	13/05/2008 07:02
Re: Problem with the leech of mainsail	cmedsailor	13/05/2008 07:09
Re: Problem with the leech of mainsail	sailorman	13/05/2008 18:02
Re: Problem with the leech of mainsail	William_H	14/05/2008 02:47

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