Trysail

A trysail (also known as a spencer^{[citation needed]}) is a small triangular or gaff rigged sail hoisted in place of a larger mainsail when winds are very high.^[1] The trysail provides enough thrust to maintain control of the ship, e.g. to avoid ship damage, and to keep the bow to the wind. It is hoisted abaft (i.e., directly behind) the mainmast (taking the place of the much larger mainsail) or, on a brig, abaft the foremast.^[2] A trysail is analogous to a storm jib.

^ Steel, David (1796). The Art of Sail-making, as Practised in the Royal Navy, and According to the Most Approved Methods in the Merchant Service, Accompanied with the Parliamentary Regulations Relative to Sails and Sail Cloth, Etc. David Steel. p. 93.
^ Torrey, Owen C. Jr. (1965). Sails (Seamen's Bank for Savings ed.). New York: Palmer & Oliver. pp. 7–9, 34, 35.

[1] Steel, David (1796). The Art of Sail-making, as Practised in the Royal Navy, and According to the Most Approved Methods in the Merchant Service, Accompanied with the Parliamentary Regulations Relative to Sails and Sail Cloth, Etc. David Steel. p. 93.

[oct-2] Torrey, Owen C. Jr. (1965). Sails (Seamen's Bank for Savings ed.). New York: Palmer & Oliver. pp. 7–9, 34, 35.

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Trysail

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