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Spars, Rigging, and Hardware for Sailboats

Rig-Rite, Inc.
Phone: (001) 401-739-1140 -- FAX: (001) 401-739-1149
www.RigRite.com        Ordering/Questions

Boom Vangs


Boom Vangs
A Boom Vang lets you control the leech tension of the mainsail independently of the mainsheet so you can better shape the mainsail for maximum efficiency. They're particularly effective off the wind, when the pull of the sheet is primarily horizontal, because they prevent the boom from lifting and spilling the wind. Rope (soft) Vangs are also used in Downwind situations as a Preventer - the Mast End is simply moved to an attachment point on the rail to help prevent the dangerous unintended Jibe.

Boom Vangs are mounted between the Mast and the Boom and are used to keep the Boom from rising (without using the main sheet), and, in the case of Hard Vangs, to support the Boom (without using a topping lift). Vangs are normally mounted as close to the deck as possible (on the Mast), and from 30 to 40% of the Boom length aft (on the Boom).
Boom Bails are used for attachment points on the Boom and (on smaller boats) often on the Mast, though there a variety of section-specific Vang Brackets for individual Mast Sections. For these items you'll need to identify your Mast Section, See Spars.   Note that some Mast Steps and Deck Collars already have integral Bails or other provisions for attachment of Rope (soft) Vangs.

Soft (Rope) Vangs - Block and Tackle with an integral cleat and Shackles on each end.

Hard (Solid) Vangs - adjustable strut controlled with line or by Hydraulics.
 


Soft Boom Vangs
Soft (Rope) Vangs are basically a block and tackle with an integral cleating mechanism as part of one of the blocks and Shackles on each end. Some Soft Vangs have Snap Shackles (on one or both ends) so they can be moved to other locations quickly, for instance as a preventer. In most smaller boat applications Soft Vangs are attached to the Mast or Boom with Standard Pivoting Boom Bails which attach with a single Bolt. Some specialized Mast and Boom Sections have special brackets and attachments. Select from those listed on-site under your specific Mast or Boom Section - See: Spars, or Boom Bails and Vang Attachments.


Soft Boom Vangs - Economy

Boom Vang Kit, 3-1 w/ Wire Pennant & Mast Attachment, 1/4" line: PP 35-18KS:
Designed for Dingys and small boats up to 22', Economical Boom Vang Kit has Stainless Steel Blocks with Wire Pennant and Swage Ball (on upper block) and sheave attachment (on lower Block). Lower Block is attached to Mast using a short piece of 1/4" line anchored to an eyestrap on the front of the Mast (line, eyestrap & fasteners included). Wire Pennant with 1/8" Swage Ball attaches to Boom Vang Ball Attachment Plate (order separately). Lower Block incorporates SS V-jam Cleat, and includes 10' of 1/4" line with an eye splice. Provides a 3-1 purchase. Safe working load is 900 lbs..    $99.

 

Boom Vang, 5-1 w/ Shackles - 05 w/ 30' of 3/8" line: PP 35-19-5X:
Boom Vang has Gibb Blocks with shackles, Cam Cleat, and includes 30' of 3/8" line with an eye splice and whipped end. Provides a 5-1 purchase. For use on boats up to 29' LOA. Safe working load is 1500 lbs..    $169.

 

Boom Vang, 4-1 w/ Swivel Shackles - 07 w/ 30' of 3/8" line: PP 35-13XSS:
Boom Vang has Stainless Steel Blocks with swivel shackles, Cam Cleat, and includes 30' of 3/8" line with an eye splice and whipped end. Provides a 4-1 purchase. For use on boats up to 35' LOA. Safe working load is 2000 lbs..    $199.

 

Boom Vang, 6-1 w/ Shackles - 07 w/ 30' of 3/8" line: PP 35-13-6X:
Boom Vang has Gibb Blocks with shackles, Cam Cleat, and includes 30' of 3/8" line with an eye splice and whipped end. Provides a 5-1 purchase. For use on boats up to 29' LOA. Safe working load is 1500 lbs..    $169.

 


Soft Boom Vangs - Schaefer Marine

Boom Vang, 4-1 w/ Shackles - 02 w/ 25' of 5/16" line: Sch 35-20:
Boom Vang has Schaefer 02 Blocks with fixed (non-swiveling) shackles, SS V-jam Cleat, and includes 20' of 1/4" line with an eye splice. Provides a 4-1 purchase. For use on boats to a Maximum of: 20' LOA, 2,000 lbs. displacement, and 225 sq. ft. Mainsail area. Safe working load is 900 lbs..   $155.

 

Boom Vang, 4-1 w/ Swivel Shackles - 03 w/ 25' of 5/16" line: Sch 35-04:
Boom Vang has Schaefer 03 Blocks with swivel shackles, SS Cam Cleat, and includes 25' of 5/16" line with an eye splice. Provides a 4-1 purchase. For use on boats to a Maximum of: 27' LOA, 5,000 lbs. displacement, and 315 sq. ft. Mainsail area. Safe working load is 1000 lbs..    $269.

 

Boom Vang, 3-1 w/ Snap Shackles - 05 w/ 30' of 3/8" line: Sch 35-01:
Boom Vang has Schaefer 05 Blocks with swivel Snap Shackles, SS Cam Cleat, and includes 30' of 3/8" line with an eye splice. Provides a 3-1 purchase. For use on boats to a Maximum of: 33' LOA, 12,000 lbs. displacement, and 520 sq. ft. Mainsail area. Safe working load is 1750 lbs..    $379.

 

Boom Vang, 4-1 w/ Snap Shackles - 05 w/ 40' of 3/8" line: Sch 35-03:
Boom Vang has Schaefer 05 Blocks with swivel Snap Shackles, SS Cam Cleat, and includes 40' of 3/8" line with an eye splice. Provides a 4-1 purchase. For use on boats to a Maximum of: 33' LOA, 12,000 lbs. displacement, and 520 sq. ft. Mainsail area. Safe working load is 1750 lbs..    $399.

 

Boom Vang, 4-1 w/ Swivel Shackles - 07 w/ 40' of 3/8" line: Sch 35-12X:
Boom Vang has Schaefer 07 Blocks with swivel shackles, SS Cam Cleat, and includes 40' of 3/8" line with an eye splice. Provides a 4-1 purchase. For use on boats to a Maximum of: 38' LOA, 18,000 lbs. displacement, and 715 sq. ft. Mainsail area. Safe working load is 2250 lbs..    $399.

 

Boom Vang, 4-1 w/ Snap Shackles - 07 w/ 40' of 3/8" line: Sch 35-13:
Boom Vang has Schaefer 07 Blocks with swivel Snap Shackles, SS Cam Cleat, and includes 40' of 3/8" line with an eye splice. Provides a 4-1 purchase. For use on boats to a Maximum of: 38' LOA, 18,000 lbs. displacement, and 715 sq. ft. Mainsail area. Safe working load is 2250 lbs..    $509.

 

Boom Vang, 5-1 w/ Snap Shackle - 07 w/ 40' of 3/8" line: Sch 35-15X:
Boom Vang has Schaefer 07 Blocks with Snap Shackle (lower Block only), SS Cam Cleat, and includes 40' of 3/8" line with an eye splice. Provides a 4-1 purchase. For use on boats to a Maximum of: 38' LOA, 18,000 lbs. displacement, and 715 sq. ft. Mainsail area. Safe working load is 2250 lbs..    $509.

 


Hard (Solid) Boom Vangs
Hard (Solid or Rigid) Vangs consist of an adjustable strut (usually metal) which is controlled with a line or by Hydraulics. Non-Hydraulic units use line to compress them, and normally have a spring to cushion Boom loads and, in most cases, can support the Boom without using a topping lift.

Hard Vangs are attached to the Mast and Boom with specialized fittings that are usually specific to particular Mast and Boom Sections. Select from those listed on-site under your specific Mast or Boom Section - See: Spars, or See: Boom Bails and Vang Attachments.
Rig-Rite stocks a variety of Hard Boom Vangs, including those listed below.
 

Isomat Isovang

Forespar Yacht Rod

Sparcraft Pneuvang (Gas filled)



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