Kenyon 5591 HP Mast Section

Kenyon Spars K-5591 High Performance Section Measurements (outside): 9.10" x 5.50" (231mm x 140mm) Wall Thickness: .180"-.420" Weight/ft.: 5.90 lbs. Moments of inertia: Ixx = 54.30", Iyy = 19.60" Circumference: 24 5/16" Alloy: 6061-T6 Sail slides: 3/8" round slugs (A017, A117) or 3/8" boltrope Common Mast usage: C&C 44; Endeavour 38CC, 42*;

Kenyon 5591Mast Section 5591 Mast Section - Clear Anodized: K-X5591CA-___: 5591 Mast Section - Raw: K-X5591R-___: Kenyon 5591 Section Mast Tube is stocked in a variety of lengths (listed above) fully anodized or raw (mill finish), it can also be cut to shorter lengths. To order, specify length. Sections can also be milled for the sailgate or other components, painted finishes and other lengths are available on special order, Please specify. If you require a complete Mast Assembly, you can select from components below and contact us with specifications.

5591 Standard Mast Hardware Listed below are parts specific to the Kenyon 5591 Mast Section. For more generic parts, see Kenyon Exit Blocks, Kenyon Exit Plates, Kenyon Shroud Tangs, and other categories listed under Kenyon Spar Parts. There are many parts for specific configurations that are not listed here. If you require 5591 Mast Components not listed here please contact us with details.

Mastheads Kenyon High Performance Sections normally use welded-in mastheads for maximum strength with minimum weight. A variety of masthead configurations are available with a new spar or a replacement tube.
Sheave Axle Pin w/ Tab: K-11129-1: SS Masthead Axle/Sheave Pin has thin stem welded to teardrop tab which attaches to mast with (1) #10 screw. Pin measures 1/2" x 3" long (P208-97).
Sheave Axle Pin w/ Tab: K-11129-2: SS Masthead Axle/Sheave Pin has thin stem welded to teardrop tab which attaches to mast with (1) #10 screw. Pin measures 1/2" x 3 1/2" long (P208-113).
Sheave Axle Pin w/ Tab: K-11129-3: SS Masthead Axle/Sheave Pin has thin stem welded to teardrop tab which attaches to mast with (1) #10 screw. Pin measures 1/2" x 3 3/4" long (P208-121).
Sheave Axle Pin w/ Tab: K-11129-5: SS Masthead Axle/Sheave Pin has thin stem welded to teardrop tab which attaches to mast with (1) #10 screw. Pin measures 1/2" x 5 3/4" long (P208-185).

Spreaders The Kenyon 5591 High Performance Mast Section normally uses Kenyon SP-4, and SP5 airfoil spreaders with thru-bar spreader systems. These systems have been proven through many years of top-level racing, and are now the norm on most racing yachts. Standard bars for Kenyon SP Spreader sections are listed below. Other angles and styles are available. For Spreader details, or to order replacement Spreaders, see Kenyon Spreader Sections.

Spreader Bar for SP-4 Spreader - 0 degree aft: K-11521L:

Stainless Steel Bar assembly is used with Kenyon SP-4 Spreaders for rigs with in-line spreaders. Installed through a slot in the mast, the bar is held in place with roll pins (included) on each side. Holes (5/16") for spreader attachment and roll pins (1/8") are pre-drilled. Unit is 13 1/4" long x 3 3/16" wide, and has a 5-degree vertical angle. Fits 4780, 4984, and 5591 Sections.

Forestay Attachment Lug w/ 7/16" hole: K-11689A:

Internally-mounted Stainless Steel Forestay Attachment Lug has 7/16" Pin hole. Base is 4 5/8" long x 1 1/2" wide x 3/16" thick, and is tapped for (6) 1/4-20 screws (included) on 1" x 2 1/16" centers. Heavy-duty Tab is Welded on front and back of Base for maximum strength, Tab is 3 1/8" long x 3/16" thick. Mounting requires a slot in Mast 3 1/8" x 1/4". As used on C&C 44.

Sailgate Slide Conversion Kit for 3" Gate: K-11672K: Kenyon High Performance Sections are normally used with mainsails having a rope luff for quick hoisting. It is sometimes desirable to switch to a mainsail with slugs for ease of handling. This kit contains 2 specially contoured SS plates & 4 SS thumbscrews, K-45, to close up the standard 3" gate cutout and still allow the slides to go by without jamming. Plates measure 1" wide x 2 3/4" high with 2 horizontal slots on 2" centers. Mounting requires drilling and tapping 4 holes (#10-32).
*Sailgate Slide Conversion Kit for 4" Gate: K-11673K:* Kenyon High Performance Sections are normally used with mainsails having a rope luff for quick hoisting. It is sometimes desirable to switch to a mainsail with slugs for ease of handling. This kit contains (2) specially contoured SS plates & (4) SS thumbscrews, K-45, to close up the standard 4" gate cutout and still allow the slides to go by without jamming. Plates measure 1 1/4" wide x 3 3/4" high with 2 horizontal slots on 3" centers. Mounting requires drilling and tapping 4 holes (#10-32).
Sailgate Slide Conversion Kit for 6" Gate: K-11754K: Kenyon High Performance Sections are normally used with mainsails having a rope luff for quick hoisting. It is sometimes desirable to switch to a mainsail with slugs for ease of handling. This kit contains (2) specially contoured SS plates & (6) SS thumbscrews, K-45, to close up the standard 6" gate cutout and still allow the slides to go by without jamming. Plates measure 1 1/4" wide x 5 3/4" high with 3 horizontal slots on 2 1/2" centers. Mounting requires drilling and tapping 6 holes (#10-32).
	Stainless Steel Thumb Screw: K-45: SS Thumbscrew for use with Kenyon Mainsail Gates. SS Thumbscrew has a 10-32 thread and is 1/2" long (under head).
Roller Prefeeder: K-11087: Heavy-duty SS Roller Prefeeder automatically feeds boltrope mainsails into mast. Large diameter rollers eliminate friction and chafe. Supplied with threaded slug and screws to clamp it in luff groove, below sail entrance. Adjust higher or lower until feeding is perfect. Fits any mast section that uses boltrope.
Vang Bracket, non-pivoting: K-90230: Formed base plate has welded vertical triangle (non-pivoting) with 3/4" diameter hole for attachment of vang tackle block. Attaches to 5591 mast with (8) 1/4" fasteners.
Vang Bracket for Rigid Vang – Special: A variety of semi-custom Brackets, or Bracket/Toggle combinations are available to fit rigid (or solid) vangs produced by a number of manufacturers. Please specify vang manufacturer, model and size.

Mast Boot for 5591 Deck Collar: K-11604B: White PVC Mast Boot helps prevent leakage at the deck. Slid over mast prior to stepping, it is then secured with a hose clamp on the deck collar and one around the mast. One piece molded construction for optimum fit. Unit fits 5591 Mast and K-11604-1 Standard Deck Collar.
	*5591 Mast Boot Clamp: MBC 21-31:* All Stainless Steel Clamp for use with any Mast Boot on Kenyon 5591 Mast. 15
	*5591 Deck Collar Boot Clamp: MBC 21-31:* All Stainless Steel Clamp for use with Mast Boots on all Kenyon 5591 Deck Collars.	V
*5591 Deck Collar, Standard: K-11604-1:* Standard, Low-profile 5591 Deck Collar fastens to deck with (8) 5/16" bolts or screws. Base size (max.) is 13 3/4" x 10 1/8" x 1" high, with 1/4" thick flanges. Cast in 356 Aluminum with clear anodized finish. For use with standard Kenyon mast wedge K-77509.
Mast Wedge for 5591 Deck Collar: K-77509-25: Extruded rubber Mast Wedge with flange provides even loading all around the mast. One-piece construction is far superior to individual wedges, which cause point loading leading to deformation. Cut to length for use with Standard 5591 Deck Collar, K-11604-1.

Electrical Access Plate: RR 72-99: This 4 1/2" x 2" SS plate is designed to cover a 3" x 1 1/4" vertical slot in the side of the mast, just above the top of the mast step. Attaches with (4) 1/4" RH machine screws and saves much in frustration and money by allowing you access to the electrical plugs above the mast step without having to unstep the mast.

Mast Step Casting: K-11456: Mast Step for Kenyon 5591 fastens with (4) 1/2" bolts in internal adjustment slots to allow for precise positioning. Unit is (maximum) 9 1/4" long x 5 5/8" wide x 2 1/2" high. Cast in 356 Aluminum with black epoxy finish.

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Spars, Rigging, and Hardware for Sailboats