Square rig
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Square rig is a generic type of sail and rigging arrangement in which a sailing vessel uses square sails which are carried on horizontal spars that, when at rest, are perpendicular to the centre line
Main-mast of a square-rigged brig, with all square sails set except the course
The single-masted, square-rigged Humber keel performed well to windward.
Sail plan
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A sail plan is a drawing of a sailing craft, viewed from the side, depicting its sails, the spars that carry them and some of the rigging that supports the rig. By extension, "sail plan" describes the
Square rig
…Square rig is a generic type of sail and rigging arrangement in which a sailing vessel uses square sails which are carried on horizontal spars that, when at rest, are perpendicular (or square) to the centre line…
"Sailing carriage", 1785
Full-rigged clipper ship, Comet, 1851
Barque, Fusi Yama, 1865
Schooner, Grampus, 1887