Product

HARKEN MKIV UNIT 3 FURLING SYSTEM

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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. These free-rolling furlers make all the difference in headsail control by allowing racers and cruisers to quickly furl and reef from the safety of the cockpit, while maintaining great sail shape and optimal speed.

Nothing beats the MKIV Jib Reefing & Furling line for effortless headsail control and great sail shape for optimal speed. With its ability to reef, simply furl and unfurl instead of changing sails to suit conditions, reduce speed, or gain visibility off the bow. Split drum removes for racing.

Independent halyard and tack swivels furl sail center before head and tack for improved sail shape when reefed.

Precision-extruded, double-groove Air foils for smooth sail handling and fast sail changes.

Specially formulated low-stretch black line is abrasion and UV-resistant; standard on units 0, 1, 2.

Luff tape size (mm)
5 mm

Wire Ø (1 x 19 SS) (mm)
11, 12 mm

Rod Ø (mm)
11.1, 9.53 mm

Rod Ø (dash)
-22, -30

Clevis pin Ø (mm)
19.1, 22.2 mm

Standard headstay length (m)
22.76 m

Maximum headstay length (m)
24.89 m

A (mm)
186 mm

B (mm)
296 mm

C maximum (mm)
457 m

D (mm)
86 mm

E maximum (mm)
1293 mm

E minimum (mm)
1278 mm

F maximum (mm)
474 mm

F minimum (mm)
460 mm

G maximum (mm)
427 mm

G minimum (mm)
413 mm

H (mm)
247 mm

I (mm)
121 mm

J maximum (mm)
195 mm

J minimum (mm)
180 mm

K (mm)
38 mm

L (mm)
43 mm

Extrusion length (m)
2.13 m