A 
spanker is either of two kinds of sail . On a square rig ged ship, the 
spanker is a gaff rig ged fore-and-aft  sail set from and aft of
Kaynak: Spanker (sail)rig ged sails, gaff rig ged sails, gaff sail s, gunter  rig, lateen  sails, lugsails , the 
spanker sail  on a square rig  and crab claw sails .
Kaynak: Fore-and-aft rigfour foresails (jibs) and three fore-and-aft 
spanker  sails including two 
spanker sails on two gaffs and a 
spanker topsail) with a total
Kaynak: Potosi (ship)rigged on the two foremost masts (fore and main masts) and fore-and-aft rigged on the two after masts (the mizzen and 
spanker  or jiggermast s).
Kaynak: Jackass-barqueThe names of the masts changed then to: 'fore, main, mizzen, 
spanker, jigger, driver, and pusher' at launch and to: 'forecastle, fore,
Kaynak: Thomas W. Lawson (ship)Smaller than a fore and aft 
spanker  on a square rigger , a driver is tied to the same spars. References: date August 2008 Category:Sailing
Kaynak: Driver (sail)Her overall length including her 86 | ft | m | abbr on long jibboom and her protruding 
spanker boom was 450 | ft | m | abbr on, 334 | ft | m
Kaynak: Great RepublicOne or two 
spankers  are carried aft of the aftmost mast, if two they are called the upper 
spanker and lower 
spanker.  or only 
spanker, and
Kaynak: Full-rigged shipStudding sails have also been used to increase the sail area of a fore-and-aft 
spanker , again by extending the upper spar .
Kaynak: Studding sail