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spelt backwards) is an inverted vang. It is a rigid strut that extends obliquely upward from the boom to the mast, exerting a force that pushes down on the boom. As the fixing point of the gnav on the boom is hauled inwards towards the mast, the downward force on the boom increases. A gnav offers
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has to try to control both horizontal and vertical angles of the boom. When the boom is near the centerline, the mainsheet is nearly vertical, and can exert downward force on the boom. As the mainsheet is loosened to increase the horizontal angle of the boom and sail, the mainsheet becomes
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horizontal and exerts less downward force. A vang works with the mainsheet to apply the downward force on the boom at all horizontal angles, allowing the mainsheet to be used to control the horizontal angle of the boom effectively.
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supplies the upward force on the boom. Some line vang systems incorporate a piston to provide the topping lift force and to damp oscillations. Hydraulic vangs can inherently act in the topping lift role.
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On larger sailboats, the boom vang is often a combination of a spring-loaded telescopic tube to support the boom and a pulley system to tighten the vang as shown in this picture.
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defines it as "A rope or tackle extended from the boom of a fore-and-aft mainsail to a deck fitting of a vessel when running, in order to keep the boom from riding up".
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175:. Due to the great force necessary to change the height of the boom while a boat is under sail, a line-based boom vang usually includes some sort of a
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system. Hydraulic piston vangs are used on larger sailboats and controlled by manual or electric hydraulic pumps.
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While under sail, the opposite force to the vang is supplied by the sail itself. When the sail is furled, a
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On small sailboats and some cruising sailboats a vang may be omitted. If a vang is not installed, then the
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vang. Collins
English Dictionary - Complete & Unabridged 11th Edition. HarperCollins Publishers.
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152:(UK) (often shortened to "vang" or "kicker") is a line or piston system on a
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By controlling leech tension, the boom vang is one way of controlling
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more uncluttered space beneath the boom when compared to a vang.
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272:"Tips from ASA Sailing Instructor on Boom Vang Use and Horns"
186:. The boom vang may also be used to flatten the mainsail on
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For the game with the same name as an inverted vang, see
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http://www.collinsdictionary.com/dictionary/english/vang
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258:"How to Control Your Mainsail & the Vang"
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125:Learn how and when to remove this message
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156:used to exert downward force on the
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247:Annapolis Book of Seamanship pg. 93
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329:including limited use, outdated
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238:(accessed: July 20, 2012).
162:Collins English Dictionary
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595:Spritsail (square-rigged)
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1131:Sailing rigs and rigging
1146:Sailing ship components
494:Mainsail (Bermuda rig)
464:Asymmetrical spinnaker
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565:Mainsail (square rig)
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1151:Nautical terminology
59:improve this article
1141:Sailboat components
274:. 5 November 2018.
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76: –
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70:Find sources:
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54:
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48:This article
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37:
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19:
1136:Shipbuilding
1059:Parrel beads
1007:Belaying pin
1002:Baggywrinkle
986:Topping lift
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448:sailing rigs
370:Fore-and-aft
339:jury rigging
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203:topping lift
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57:Please help
52:verification
49:
457:Three-sided
74:"Boom vang"
1125:Categories
1101:Turnbuckle
1029:Clevis pin
995:Components
929:Cunningham
909:Boomkicker
874:Stay mouse
796:Crosstrees
640:Components
620:Topgallant
615:Tanja sail
533:Four-sided
390:Ljungström
222:References
213:(the word
184:sail twist
85:newspapers
1096:Traveller
1084:gooseneck
1064:Ring bolt
971:Preventer
934:Clewlines
924:Buntlines
914:Boom vang
852:Lazy jack
747:Jackstaff
698:Tell-tale
688:Sailcloth
653:Bolt rope
630:Watersail
600:Spritsail
570:Moonraker
555:Junk sail
545:Fisherman
514:Spinnaker
509:Screecher
469:Crab claw
426:Turbosail
421:Rotorsail
195:mainsheet
146:boom vang
1049:Footrope
1044:Fairlead
939:Downhaul
889:forestay
884:backstay
867:ratlines
839:Standing
806:Spreader
730:Bowsprit
673:Jackline
610:Studding
604:Optimist
575:Ringtail
560:Lug sail
550:Foresail
519:Staysail
504:Ringtail
474:Gennaker
431:Wingsail
395:Mast-aft
188:dinghies
171:to the
154:sailboat
148:(US) or
18:Boomvang
1091:Trapeze
1074:Shackle
1034:Deadeye
966:Outhaul
949:Halyard
901:Running
847:Bobstay
830:Rigging
781:Boomkin
752:Jibboom
663:Emblems
658:Cringle
625:Topsail
590:Spanker
585:Skysail
524:Trysail
360:B&R
355:Bermuda
348:Textile
321:rigging
99:scholar
1079:Swivel
1054:Gasket
1039:Earing
959:throat
919:Braces
862:Shroud
648:Batten
540:Course
499:Raffee
489:Lateen
444:Sails
405:Square
400:Pinisi
380:Gunter
177:pulley
101:
94:
87:
80:
72:
1106:Winch
1022:bitts
1017:Cleat
1012:Block
976:Sheet
879:Stays
811:Sprit
791:Truck
712:Spars
683:Roach
668:Draft
580:Royal
479:Genoa
414:Other
335:Rigs
317:spars
313:Sails
106:JSTOR
92:books
981:Tack
954:peak
816:Yard
786:Gaff
776:Boom
768:mast
385:Junk
375:Gaff
319:and
215:vang
211:gnav
173:boom
169:mast
158:boom
139:Gnav
78:news
944:Guy
766:On
722:bow
720:On
484:Jib
365:Cat
61:by
1127::
315:,
209:A
190:.
144:A
606:)
602:(
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446:(
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337:(
305:e
298:t
291:v
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122:(
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113:(
103:·
96:·
89:·
82:·
55:.
20:)
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