Fore-and-aft rig
（重定向自Fore and aft sail）
![The earliest fore-and-aft rigs appeared in the form of spritsails in Greco-Roman navigation.[1] Here a Roman merchant ship with spritsail (3rd century AD).](/uploads/202501/13/Museum_für_Antike_Schifffahrt,_Mainz_02._Spritsail3019.jpg)
A fore-and-aft rig is a sailing rig consisting mainly of sails that are set along the line of the keel rather than perpendicular to it. Such sails are described as fore-and-aft rigged.
Fore and aft sail
英语百科
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