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. 

Technical data:

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