Spars, Rigging, and Hardware for Sailboats

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

Isomat/ Sparcraft Solid Vangs


Isomat's Isovang is a tubular Hard (solid) Vang with integral sheaves and line that is Spring cushioned for Boom support.
Sparcraft's Pneuvang utilizes 1 or more Pneumatic Gas Shock(s) as a Spring to support the Boom, and have a single Sheave at the top.
For recommendations on a new Vang for your boat, contact us with Boat details including current Mast and Boom Sections.

For Mast-mounted Vang Brackets, See: Isomat Vang Brackets & Toggles.
For Boom-mounted Vang Attachments, See: Isomat Boom Sections.

Isovang Parts: Isomat has produced the Isovang in two (2) different sizes.  Both sizes have been produced in a variety of lengths.  Sizes are easily differentiated by tube diameter, or by the diameter of the integral sheaves. Should you need parts for an existing Isovang, you'll need to measure one of these items and determine which size Isovang you have. Click on your Isovang size, below, for additional data and part numbers.

Pneuvang Parts: Sparcraft has produced the Pneuvang in multiple sizes. Common parts are detailed below.
 


NG1 Isovang:
The NG1 Isovang is designed for smaller boats, generally less than 33' (10m), and utilizes a Spring to support the Boom. NG1 Isovang attaches to the mast-mounted Vang Toggle and to the Boom Vang Attachment Lug with a 10mm (3/8") pin (included).

Outer Tube diameter: 45mm (1 3/4") OD
Inner Tube diameter: 33.6mm (1 5/16") OD
Sheave size: 50mm (2") OD x 10mm (3/8") ID
 
NG2 Isovang:
The NG2 Isovang is designed for larger boats, generally longer than 30' (9m), and utilizes a Spring to support the Boom. NG2 Isovang attaches to the mast-mounted Vang Toggle and to the Boom Vang Attachment Lug with a 22mm (7/8") pin (included).

Outer Tube diameter: 70mm (2 3/4") OD
Inner Tube diameter: 58mm (2 1/4") OD
Sheave size: 85mm (3 3/8") OD x 22mm (7/8") ID
 

Sparcraft Pneuvang:
The Sparcraft Pneuvang is designed for a wide range of boats, and has a single Aluminum sheave at the top. Size 2 and larger utilize 1 or more Pneumatic Gas Shock(s) as a Spring to support the Boom. Pneuvangs attach to the mast-mounted Vang Toggle and to the Boom Vang Attachment Lug with a 14mm (9/16") pin (included).
Common parts are listed below, for other Pneuvang parts contact us with details.

Pneuvang Size 2 – Gas Shock: NGVP-GS2:
Replacement Gas Shock for Size 2 Pneuvang. Rayflex Gas Shock is 23 1/2" (595mm) long (open) between 8mm (5/16") Pin centers, and has a 250mm stroke length. Maximum spring strength is 115Kg (250 lb.).
 
  Size 2 Pneuvangs are 1395mm (4' 7") Long (Pin to Pin Open), and use one (1) Gas Shock.
 
 
Pneuvang Size 3, 4, 5 – Gas Shock: NGVP-GS3:
Replacement Gas Shock for Size 3, 4, and 5 Pneuvangs. Rayflex Gas Shock is 27 3/8" (695mm) long (open) between 8mm (5/16") Pin centers, and has a 300mm stroke length. Maximum spring strength is 115Kg (250 lb.).
 
  Size 3 Pneuvangs are 1740mm (5' 8 1/2") Long (Pin to Pin Open), and use 1 or 2 Gas Shocks.
Size 4
Pneuvangs are 2M (6' 6 3/4") Long (Pin to Pin Open), and use 1 or 2 Gas Shocks.
Size 5
Pneuvangs are 2M or 2.3M (6' 6 3/4" or 7' 6 1/2") Long (Pin to Pin Open), and use from three (3) to five (5) Gas Shocks.
 
 
Pneuvang Size 1-5 – Sheave: NGVP-SM70:
Anodized Aluminum Sheave is 70mm (2 3/4") OD x 14mm (9/16") wide x 10mm (3/8") ID. Used on all Pneuvangs.
 

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