Z  S P A R S  U K  L o g o

01 SERIES MASTS

(and equivalent furling masts) for larger yachts in the range 25 to 50ft (7.6 to 15.5m) LOA are available as masthead or fractional rig, deck or keel stepped. These masts are available in STANDARD or CLASSIC specification.

Delta Series masts (and equivalent furling masts) are available for yachts in the range 5 to 10m (15 to 35ft) LOA.

Photo of Reflex 38 courtesy of Clipper Ventures plc.
Z Spars UK have supplied the spars for a fleet of these outstanding yachts, which are available for charter.

01 SERIES MASTS: STANDARD SPECIFICATION

Masthead rig  

Extruded alloy masthead attached by right-angled bolts with nuts and lock washers. The head incorporates toggles for forestay, backstay (twin backstays where necessary). Large diameter delrin halyard sheaves for two foresails, main halyard and boom topping lift. Instrument tray. Spinnaker crane(s).

Fractional rig

Masthead extrusion attached by right-angled bolts with nuts and lock washers. The head incorporates backstay anchorage(s) and sheaves for main halyard and topping lift. Instrument tray.

For Z351 and Z401:

Triple combi sheave box incorporating forestay anchorage, foresail halyard sheave and spinnaker halyard sheave.

For Z501 and larger masts:

Separate forestay tang and sheave box for genoa.

Specification common to masthead and fractional rigs

Backing shells for capshroud attachment.

Through-mast bar spreader root with spreader support plates is the system most commonly used. With this system, separate provision is made for lower shroud anchorage. Usually this will be holes cut for backing shells. Where holes for backing shells have been cut, the shells will be supplied.

Cast alloy spreader brackets incorporating swivel spreader base and double lower shroud anchorage for ball swages for sections Z531 upwards is also available and used commonly on cruising rigs.

Aerofoil spreaders with sail-saving delrin ends incorporating clamps for the shrouds. Some spreaders are tapered, some parallel.

Pole lift sheave.

Spinnaker pole track and chariot with rope control. Spinnaker pole ring only for Z351.

Halyard exit chafe plates in stainless steel. Colour coded messenger lines for all halyards.

Sail slide stopper system.

Gooseneck assembly with toggle and double reef hook.

Mast base with facilities for the attachment of base blocks. Kicker take-off.

Single conduit with messengers to masthead and steaming light position.

Tapered top sections are available for non furling masts, at extra cost.

Classic Specification.

Through-mast bar spreader root system. Stainless steel tangs for upper, intermediate and lower shroud anchorage.

Keel stepped mast.

In some cases a plain mast base is supplied instead of the standard mast base. We do not supply an adjustable base.

A water trap system and deck ring are available as optional extras.

Separate kicker take-off tang supplied.

 

Further Information

Furling masts: For further details, including spare parts, installation and maintainance tips, go to Furling Masts Page.
(For component drawings, see below).

To view technical data on our complete range of spars, go to: SPAR DIMENSIONS AND TECHNICAL INFORMATION

MAST COMPONENT DRAWINGS (1999 on):

Standard Slab Reefing masts: component drawings (pdf file).

In-mast furling masts: component drawings (pdf file).

MAST COMPONENT DRAWINGS (up to 1998): Click on the required section to view detailed isometric drawings and other data for a specific mast section.

SLAB REEFING MASTS
Yacht LOA Mast Section
Feet Meters pre-1999  
27-30 8.2-9.2 Z351 
30-349.2-10.4 Z401 
33-3610.1-11.0 Z501  
35-3810.7-11.6 Z531 
37-4311.3-13.1 Z601 
41-4512.5-13.7 Z701 
45-5013.7-15.2 Z901 
45-5013.7-15.2 Z1001 
FURLING MASTS
Yacht LOA Mast Section
Feet Meters pre-1999  
20-24 6.1-7.3 Z230E  
24-28 7.3-8.5 Z300E
27-30 8.2-9.2 Z400E 
30-349.2-10.4 Z500E 
33-3610.1-11.0 Z600E  
35-3810.7-11.6 Z700E 
37-4311.3-13.1 Z800E 
41-4512.5-13.7 Z900E 
45-5013.7-15.2 Z1100E 
50+15+ Z1400E 

We reserve the right to change specifications without notice.

Last Updated on 5 November 2007