Triangular boat sail

Abstract

A sail for a boat, and specifically a triangular sail ( 1 ). It comprises three extreme comers, head ( 10 ), clew ( 11 ) and tack ( 12 ), and three edges, a luff edge ( 15 ) linking the head point ( 10 ) to the tack point ( 12 ), a foot edge ( 13 ) linking the tack point to the clew point ( 11 ), and a leech edge ( 14 ) linking the head point ( 10 ) to the clew point ( 11 ), and furthermore, a regular succession of long battens ( 22 ) and short battens ( 23 ) parallel to the luff edge ( 15 ).

1 ) A sail for a boat, and specifically a triangular forward sail ( 1 ) with three extreme corners, head ( 10 ), clew ( 11 ) and tack ( 12 ), and three edges, a luff edge ( 15 ) linking the head point ( 10 ) to the tack point ( 12 ), a foot edge ( 13 ) linking the tack point to the clew point ( 11 ), and a leech edge ( 14 ) linking the head ( 10 ) to the clew point ( 11 ), characterized by its inclusion of a regular succession of long battens ( 22 ) and short battens ( 23 ) parallel to the luff edge ( 15 ). 
   
   
       2 ) A sail according to  claim 1  characterized by its long battens ( 22 ) extending completely or approximately from the leech ( 14 ) to the foot ( 13 ). 
   
   
       3 ) A sail according to  claim 1  or  claim 2  characterized by its short battens ( 23 ) being placed on the upper part of the sail, extending from the leech ( 14 ) of the sail ( 1 ) linking the head ( 10 ) to the clew ( 11 ). 
   
   
       4 ) A sail according to any of the claims above characterized by the succession of long battens ( 22 ) and short battens ( 23 ) being distributed with at least one short batten ( 23 ) between two long battens ( 22 ). 
   
   
       5 ) A sail according to  claim 4  characterized by including a series of two short battens ( 23 ) between two long battens ( 22 ). 
   
   
       6 ) A sail according to any of the above claims characterized by the succession of long battens ( 22 ) and short battens ( 23 ) being inserted, respectively, into long sheaths ( 20 ) and short sheaths ( 21 ).