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

Z SPARS BOOMS

We manufacture alloy booms in six standard section sizes.

Standard Specification - Slab Reefing Booms.

Front end casting: complete with sheaves and jammers to control internally-led reef and outhaul lines. Clevis pin to attach boom to mast gooseneck toggle. 

Outhaul casting: complete with sheaves to lead lines inside boom. 

Sliders: stainless steel, for kicker/vang, mainsheet and slab reef take-off (These slide in an integral track on the underside of the boom and are left free for accurate fixing by the client)

A special slider is available for use with Z Spars rigid vangs. 

Messenger lines are fitted to all made-up booms. (Unless running rigging is specified)

  • Z120 and Z160.
    Two slab reef lines and outhaul.
  • Z204, Z360, Z480 and Z690.
    Three slab reef lines and outhaul.

Booms fitted to our furling masts are supplied with a Z Spars track and car fitted for clew outhaul. 

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

Technical data:
Boom
Section		 Dimensions>
mm		 Inertiae>
cm 4		 Wall
Thickness
mm		 Weight
Kg/
meter		 Rope
Size
mm		 Pin
Size
mm		 Toggle
Size
mm
Z120 71 x 61 45 x 24 1.5 1.2 6 10 18
Z160 94 x 68 60 x 32 1.5 1.5 8 10 18
Z204 118 x 86 125 x 68 2.0 2.3 8 or 10 10 18
Z360 145 x 105 380 x 150 2.5 3.6 10 or 12 10 20
Z480 180 x 125 750 x 300 3.0 4.8 12 10 31
Z690 232 x 145 1660 x 462 2.9 6.9 14 14 41

Isometric drawings (with part numbers) of all the above slab reefing booms, and booms for in-mast furling systems

Diagram showing the ropes used in a slab reefing boom  

SINGLE LINE REEFING SYSTEMS

Standard single line reefing system - details.

'Continuous' single line reefing system - details

We reserve to right to change specification and price without notice.
E & O E  

Z Spars UK, Unit 2, Pond Hall Rd, Hadleigh, IPSWICH, Suffolk IP7 5PW.

Tel +44 (0)1473 822130 Fax 827354.

Z204 boom - inboard end

All goods sold by Z Spars UK are sold subject to our TERMS and CONDITIONS
Last updated 2 December 2009