Harken Unit 3 MKIV Jib Reefing and Furling System

Harken Unit 3 MKIV Jib Reefing and Furling System

MKIV furling systems are strong, lightweight and aerodynamic, with the performance and features Harken® is known for. Longevity, ease of use, and simplicity of installation are crucial components of the design.

Specifications:

Wire Ø (1 x 19 SS): 7/16 in., 1/2 in. (11 mm, 12 mm)

Rod Ø: -22, -30 (9.53 mm, 11.1 mm)

Clevis pin Ø: 3/4 in., 7/8 in. (19.1 mm, 22.2 mm)

Standard headstay length: 74' 8" (22.76 m)

Maximum headstay length: 81' 8" (24.89 m)

A: 7 5/16 in. (186 mm)

B: 11 5/8 in. (296 mm)

C: 3 3/8 in. (86 mm)

D: 9 3/4 in. (247 mm)

E: 4 3/4 in. (121 mm)

F: 50 5/8 in. (1286 mm)

F maximum: 50 5/8 in. (1286 mm)

G: 18 7/16 in. (467 mm)

G maximum: 18 7/16 in. (467 mm)

H: 16 5/8 in. (420 mm)

H maximum: 16 5/8 in. (420 mm)

I: 7 3/8 in. (188 mm)

I maximum: 7 3/8 in. (188 mm)

J: 1 1/2 in. (38 mm)

K: 1 11/16 in. (43 mm)

Extrusion length: 7 ft. (2.13 m)

Luff tape size: #6 (6/32 in) (5 mm)