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LOW aspect AND HIGH ASPECT

Printed From: Sailrite Enterprises, Inc.
Category: Canvas Work
Forum Name: Fabric Questions
Forum Discription: Questions about the use and types of fabrics
URL: http://forum.sailrite.com/forum_posts.asp?TID=235
Printed Date: 05 April 2020 at 11:47am


Topic: LOW aspect AND HIGH ASPECT
Posted By: JEFF10058
Subject: LOW aspect AND HIGH ASPECT
Date Posted: 15 March 2007 at 6:04am

Hi,

There are three kinds of sailcloth: low aspect ,high aspect  and balanced aspect . I do not know what do they mean?
 
what is the different of above mentioned 3 kinds of sailcloth for jib and mainsail? (Fyi, our jib and mainsail use for the sailboat, LOA  less than 20'  )
 
thank you



Replies:
Posted By: MattGrant
Date Posted: 15 March 2007 at 10:21am

When we talk about sails we often look at the aspect ratio (Luff / foot) to determine what fabric is appropriate. A higher aspect ratio (2.5+) generally requires a material with a stronger fill as opposed to warp. This would mean using a high aspect material is desirable. For a short and fat genoa we might want to use a low aspect Dacron. Balanced is often another term for a general purpose Dacron.

More specifically the difference in the fabric has to do with the denier and tenacity of the yarns which are woven in each direction (warp and fill).
 
Thanks, Matt
Sailrite
 



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