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narrow seam

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sailor john View Drop Down
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    Posted: 06 April 2017 at 1:28pm
 broadseaming : a widened seam, over lapping the edges of the two pieces of sail, what is a narrowed seam. page 87 sailrite jib book
thanks sailorjohn
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Zach View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Zach Quote  Post ReplyReply Direct Link To This Post Posted: 18 April 2017 at 3:46pm
Hello John,

Sorry it took so long to get a reply to you. This section, "Draft Placement" is referring to a sail that has already been constructed and has shape already designed into it. Jim says widening the seam makes the sail flatter, this is because the stitches that have been removed in order to increase the overlap, to the point that there is a consistent seam overlap throughout the sail, results in a flatter sail. Alternatively, if you remove seams and decrease the overlap of that section, relatively speaking, it is increasing the difference in overlap compared to the section that the overlap was not altered. 

Hope this helps!
Zach Grant
Sailrite
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