Knowledge (XXG)

Spritsail

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105: 399: 332:. This technique is an effective way of stowing the mainsail and gives fine control over the power obtained from the sail. In narrow channels, and in the lee of tall buildings the mailsail and mizzen are brailed and the bowsprit topped up, and she sails on topsail and foresail alone. A gaff rig was far more suitable for heavy weather and long sea passages, but when a gaff rigged vessel drops the mainsail, the topsail cannot be used. The gaff, attached to the mainsail, is required aloft to set the topsail. 35: 366: 340: 304:
overpressed, will heel excessively and must be pulled to wind. The sheet will be eased and the aft end of a boom could drag in the water making the rudder ineffective and a capsize inevitable. The sheet of loose footed boomless barge is just released and control is regained. The boom does not project outboard so that the vessel can pass through a narrow gap between moored vessels. Loose footed sails suffer from
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However, the sprit rig means that the sail is stowed aloft and unreachable from the deck. It also means that the sail cannot easily be covered when it is stowed, and thus protected from the elements. But in any case, the crews of working vessels did not trouble with such dainty ways. In keeping with
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This is a sprit rig that uses a triangular sail, the luff is bent to the mast, and the one spar, the sprit-boom attaches to the clew of the sail. The fore end of the boom is tensioned (pulled tight to the mast) by use of a snotter chord. It is a precursor of the wishbone rig first popularised by
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which reduces their aerodynamic efficiency when sailing off the wind, which usually is not a commercial issue. It can be an advantage in light air. The vangs control the head of the sail which can be set so as to make use of the air above the wind-shadow of moored ships, warehouses and so on.
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In a commercial vessel, the rig has the advantage of allowing a high stack of deck cargo and freeing the cargo hatch of obstructions when loading and unloading. The entire sail can be quickly brailed to the mast. The overriding advantage is safety in open water. Barges are unballasted and, if
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without losing steerage way. The windlass is below the tack of the foresail and the tackle at the foot of the forestay. In striking the gear, the foresail tack tackle had to be cast off. With the bridge cleared, the skipper and an extra man (the huffler) used the windlass to raise the mast.
273:. The instability caused by allowing such a weighty spar to extend too far away from the vessel's centreline, however, had to be borne in mind when designing hull and rigging. The peak of the sail is permanently attached to the head of the sprit, which is steadied by two sets of vangs. 347:
The problem of the inaccessibility of gear was met in the Thames barge by stepping the mast in a tabernacle and using a windlass on the foredeck to strike the whole lot, mast, sprit, sails and rigging. The crew could sail under a low bridge such as at
785: 457:; a "spritsail topsail" may be set above it, though this latter element of a square-rigged sailplan fell into disuse early in the 18th century CE. In this form, in addition to carrying the spritsail itself the spritsail 265:(standing lifts) from the hounds at the mast head at an angle of about 30° from vertical, with sprit to the starboard side of the mast. The heel of the sprit is secured to the mast, by the 288:. (The latter was usually found on fore-and-aft rigged vessels to keep the mainsail in an aerodynamically efficient shape.) Such loose-footed sails can also be found on gaff-rigged 796:
Anderson, R. C. (1927). "Peface". The Rigging of Ships in the Days of the Spritsail Topmast 1600-1720 (First, 1927 ed.). Portland, Maine: The Southworth Press. p. vii.
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where the ability to furl the foot of the sail and raise the sheets, made gunnery much more readily possible. The sail could still be controlled using the vangs.
445:, typically on vessels developed prior to the middle of the 19th century CE. Unrelated to the spritsail described above, it is an evolution of the ancient Greek 257:, which employs two similarly sized spars to form the framework for the sail area. In a barge, the mast is stepped vertically in a mast case or 81:
known as the sprit. The foot of the sail can be stretched by a boom or held loose-footed just by its sheets. A spritsail has four corners: the
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Thames sailing barges. The barge in the distance has all sail set, mainsail (the spritsail), topsail, foresail, topmast staysail and mizzen.
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the general philosophy of working boats, all sails would therefore be traditionally treated with red oxide and other substances.
269:, which allows the sprit the freedom to move laterally, nearly as far to each side as the shrouds. This enables the vessel to 704: 1160: 442: 28: 862: 1499: 1489: 1110: 398: 316:
Mainsail fully brailed and stowed on SB Xylonite. The head of the diagonal sprit is steadied by the vangs.
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arrangement. This much simpler implementation sees the sprit anchored higher on the mast than on barges.
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This article is about fore-aft main sails. For a square rigged sail flown under the bowsprit, see
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windsurfers. On a Bolger 59 (square foot) rig, there is a 14'3" luff, 13'7" leech and 9'0" foot.
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of the sail. It is said to be the ancestor of the common gaff rig that evolved in 16th-century
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This fine control of the sail without need for the crew to leave the deck, is achieved by
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In an inconvenient piece of nautical ambiguity, the term "spritsail" also refers to
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Modern use of the spritsail has also become more common through its use in the
312: 57: 1666: 1474: 1439: 1361: 1287: 1180: 970: 945: 930: 925: 430: 407: 305: 245: 237: 194:. The sprit is steadied and controlled from the deck by a pair of wire vangs ( 109: 1629: 1536: 1479: 1417: 1312: 1253: 1218: 1195: 1079: 1074: 991: 349: 847: 328:, it is gathered up against its own luff and head by means of lines called 1614: 1609: 1504: 1454: 1449: 1432: 1351: 1295: 1238: 1130: 1125: 1120: 1115: 1084: 1059: 1039: 996: 950: 940: 454: 450: 446: 418: 325: 297: 141: 1639: 1599: 1531: 1514: 1412: 1395: 1346: 1317: 1223: 1190: 1150: 1089: 886: 511:(Second, 1958 ed.). Glasgow: Brown, Son and Ferguson. p. 114. 487: 466: 426: 422: 378: 226: 98: 1644: 1604: 1054: 965: 449:
that was eventually made obsolete by the evolution of more efficient
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Foot of the forestay and windlasses on SB Pudge and SB Centaur
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The luff of the sail is bound to the mast, but unlike the
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of the sail by means of a diagonal spar or spars named a
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A spritsail-rigged Norwegian traditional wooden boat.
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class of vessel. The spritsail was a feature of the
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London: Percival Marshall. p. 7. 499: 461:, mounted under the bowsprit abaft the 507:Underhill, Harold (1938). "Glossary". 731: 719: 682: 670:Spritsail Barges of Thames and Medway 604: 592: 580: 7: 241:Mast case (tabernacle) on SB Centaur 61:Diagram of a four-cornered spritsail 132:navigation in the 2nd century BC. 116:craft. Here a spritsail used on a 25: 644:"Duckworks - Boomed Vs Boomless" 618:"Duckworks - Boomed Vs Boomless" 196: 158: 895:including limited use, outdated 120:merchant ship (3rd century AD). 369:Leisure sailing on an Optimist 1: 509:Sailing Ship Rigs and Rigging 823:Video of sailing the Oselvar 556:. New York: Viking. p.  469:and flying jibboom via the 324:. Rather than lowering the 182:). The forward end of the 1713: 26: 1161:Spritsail (square-rigged) 893: 750:www.duckworksmagazine.com 648:www.duckworksmagazine.com 622:www.duckworksmagazine.com 77:and a diagonally running 29:Spritsail (square-rigged) 1697:Sailing rigs and rigging 473:supporting those spars. 53:: Tack Throat Peak Clew 834:christinedemerchant.com 744:Routh, David (Shorty). 385:Leg of mutton spritsail 101:that uses a spritsail. 1060:Mainsail (Bermuda rig) 1030:Asymmetrical spinnaker 552:The Price of Admiralty 410: 370: 344: 317: 281: 250: 242: 121: 62: 54: 48:: Luff Head Leech Foot 1131:Mainsail (square rig) 695:Roberts, Bob (2000). 668:March, Edgar (1948). 401: 368: 342: 315: 279: 248: 240: 107: 60: 37: 607:, pp. 225, 234. 255:Thames sailing barge 249:Muzzle on SB Centaur 437:Square rigged ships 186:is attached to the 815:2019-11-02 at the 775:no:Fil:Oselver.jpg 756:on 2 November 2019 642:Lillistone, Ross. 535:, pp. 243–245 411: 371: 345: 318: 282: 251: 243: 221:) attached to the 122: 63: 55: 1684: 1683: 1680: 1679: 1390: 1389: 1272: 1271: 1005: 1004: 533:978-0-8018-5130-8 375:Optimist (dinghy) 126:fore-and-aft rigs 71:fore-and-aft sail 69:is a four-sided, 16:(Redirected from 1704: 1423:Running backstay 1401: 1283: 1020: 911: 872: 865: 858: 849: 844: 842: 840: 797: 794: 788: 786:Google Translate 783: 777: 772: 766: 765: 763: 761: 752:. 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Index

Vang (spritsail)
Spritsail (square-rigged)

Spritsail

fore-and-aft sail
mast
spar
throat
peak
clew
tack
rig

Aegean Sea
Greek
Roman
fore-and-aft rigs
Greco-Roman
gaff rig
head
leech
/sprt/
sprit spar
mast
peak
/wæŋ/
WANG
peak
Holland

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