Spars, Rigging, and Hardware for Sailboats

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

Rig-Rite SP450 Airfoil Spreader Section


Rig-Rite SP450 Airfoil Spreader Section
Measurements: 4.50" x 1.50" (114mm x 38mm)
Wall Thickness: .094"
Weight/ft.:  1.12 lbs.
Alloy: 6061-T6
Stock Length: 15' 9"
Common Boat usage: Cape Dory 36, 40; Pearson 32, 10M, 36*, 365, 390, 40, 424; Tartan; Sound Spars; & others.
SP-165

 


SP450 Airfoil Spreader Section & Hardware
Rig-Rite SP450 Spreader Section is available in cut lengths, but is normally supplied as a welded, Tapered Spreader Assembly using a welded spreader tip, and sometimes including a welded Inboard End, for use with a variety of special Spreader Bases.

 

SP450 Spreader Section: RR SP450XR-____:
SP450 Spreader Extrusion is stocked in a raw aluminum finish and is available in lengths up to 14'. To order: specify length.

 

SP450 Tapered Spreader Assembly: RR SP450TA-____:
Tapered SP450 Spreader Assembly uses a welded, cast aluminum spreader tip, RR SP450-2T, and an open inboard end for use with a variety of special Cast aluminum spreader bases. Standard Lengths are 3' 9 1/4" and 4' 4", but finished spreaders are available in any length.  To order: specify maximum length, and finish.

 

SP450 Tapered Spreader Ass'y w/ Inboard End: RR SP450TAS-R___*:
Tapered SP450 Spreader Assembly uses a welded, cast aluminum spreader tip, RR SP450-2T, and one of the Inboard Ends listed below, for use with a variety of welded SS and aluminum spreader bases. Standard finish is raw aluminum, specify color if painted finish is required. To order: Specify maximum length, Inboard End, and finish.

 


SP450 Tapered Spreader Tip - Twist-Lock: RR SP450-2T:
Special 'twist-lock' Spreader Tip for spreader tapered to 2 3/4", features slot for up to 3/8" shroud. Shroud is secured without seizing wire, by inserting it horizontally into Spreader Tip and then ‘twisting’ it to lie in line with the mast. Tip measures 2 3/4" x 1", and extends shroud seat 1/2" beyond spreader tube. Cast aluminum Spreader Tip has uncoated Aluminum finish for use in welded applications.   SP-165T

 


SP450 Inboard Spreader End, Standard: K-11480-5:
Inboard Spreader End is used for masts with welded aluminum spreader bases. Aluminum spreader end is welded in a slot cut in SP450 Spreader. Tapered Aluminum plate is 3/8" thick x (maximum) 6 1/4" wide x 5 1/2" long, and features integral etch lines to line up with centerline and end of SP450 Spreader. Mounts to mast with (2) 3/8" holes on 4 3/4" centers, holes are 3/4" from end of plate. Plate has uncoated Aluminum finish.

 

K-11480-5
SP450 Inboard Spreader End - Special: K-11480-5SN:
Inboard Spreader End is used for masts with welded aluminum spreader bases. Aluminum spreader end is welded in a slot cut in SP450 Spreader. Tapered Aluminum plate is 3/8" thick x (maximum) 6 1/4" wide x 5 1/2" long, and features integral etch lines to line up with centerline and end of SP450 Spreader. Mounts to mast with (2) 3/8" holes on 4 1/4" centers, holes are 3/4" from end of plate. Plate has uncoated Aluminum finish.

 

SP450 Inboard Spreader End - Special, Large: K-11480-5SL:
Inboard Spreader End is used for masts with welded aluminum spreader bases. Aluminum spreader end is welded in a slot cut in SP450 Spreader. Tapered Aluminum plate is 3/8" thick x (maximum) 7 1/4" wide x 5" long, and features integral etch lines to line up with centerline and end of SP450 Spreader. Mounts to mast with (2) 1/2" holes on 5 3/4" centers, holes are 3/4" from end of plate. Plate has uncoated Aluminum finish.  SoundSpar

 

Spreader Bases for SP450 Spreaders
SP450 Spreaders are normally used with welded Inboard Spreader Ends (listed above) that fit between (2) horizontal tabs on welded SS Spreader Bases, or aluminum Spreader Base Plates welded to the mast. On some masts they are used without Inboard Ends, and fit over a special Cast aluminum Spreader Base. In ALL cases, Spreader Bases and Spreader Base Plates used with SP450 Spreaders are specific to individual Mast Sections and are listed under the Mast Sections that they attach to, See (primarily) Rig-Rite Mast Sections, and Spartan Mast Sections.

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