Talk:Parts of a sail
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The names for three sided sails and four sided sails differ.[change source]
The drawing is correct for three sided sails.
For four sided sails the nomenclature is different. Needs two sections. One for triangular sails and one for four sided.
I have drawn up this image just now
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Parts_of_a_4_sided_sail.jpg/220px-Parts_of_a_4_sided_sail.jpg)