Sail batten: Difference between revisions
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{{Main|Sail components}} |
{{Main|Sail components}} |
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{{Other uses|Batten}} |
{{Other uses|Batten}} |
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[[File:Verschiedene Segellatten.jpg|thumb|Sail battens made from a variety of materials.]] |
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[[File:Bladef16-1up.jpg|thumb|[[Catamaran]] with full-length battens on the [[mainsail]].]] |
[[File:Bladef16-1up.jpg|thumb|[[Catamaran]] with full-length battens on the [[mainsail]].]] |
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A '''sail batten''' is a flexible insert in a sail, parallel to the direction of wind flow, that helps shape its qualities as an airfoil.<ref name=Textor> |
A '''sail batten''' is a flexible insert in a sail, parallel to the direction of wind flow, that helps shape its qualities as an airfoil.<ref name=Textor> |
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Revision as of 01:53, 11 January 2017
A sail batten is a flexible insert in a sail, parallel to the direction of wind flow, that helps shape its qualities as an airfoil.[1]
Applications in sails
The most common use of sail battens is in the roach of a mainsail. The batten extends the leech past the line that runs from the head and the clew of the sail to create a wider sail towards the top. Ccruising sailboats may have four to six battens. Racing sailboats may have full-length battens, as well, that allow for better sail shape. Batten length near the head of the sail is limited by the need for the roach to pass ahead of the backstay, when tacking or jibing.[1] Battens are also found in jibs of beach-cat catamarans.[2]
Batten materials and construction
Most battens are fiberglass pultrusions with a thin, rectangular cross section. An alternative shape is a hollow tube that rotates in the batten pocket and is more compatible with roller furling the mainsail. Because the ends of battens are likely to chafe the sail at the ends of the pockets into which they are inserted, they often have a soft, blunt shape affixed to them.[1]
References
- ^ a b c Textor, Ken (1995). The New Book of Sail Trim. Sheridan House, Inc. p. 228. ISBN 0924486813.
- ^ Berman, Phil (1999). Catamaran Sailing: From Start to Finish. W. W. Norton & Company. p. 219. ISBN 9780393318807.