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Unit 1 MKIV Jib Furling System

Part No. 7411.10

Wire Ø (1 x 19 SS) (mm) 8 mm

Wire Ø (1 x 19 SS) (in) 5/16 in

Rod Ø (mm) 7.14 mm

Rod Ø (dash) -12

Clevis pin Ø (mm) 15.9 mm

Clevis pin Ø (in) 5/8 in

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.
Wire Ø (1 x 19 SS) (mm)8 mm
Wire Ø (1 x 19 SS) (in)5/16 in
Rod Ø (mm)7.14 mm
Rod Ø (dash)-12
Clevis pin Ø (mm)15.9 mm
Clevis pin Ø (in)5/8 in
Standard headstay length (m)13.99 m
Standard headstay length (ft in)45' 11' ft in
Maximum headstay length (m)16.12 m
Maximum headstay length (ft in)52' 11' ft in
A (mm)120 mm
A (in)4 3/4 in
B (mm)178 mm
B (in)7 in
C (mm)51 mm
C (in)2 in
D (mm)167 mm
D (in)6 5/8 in
E (mm)78 mm
E (in)3 1/16 in
F maximum (mm)1175 mm
F maximum (in)46 1/4 in
F minimum (mm)1073 mm
F minimum (in)42 1/4 in
G maximum (mm)305 mm
G maximum (in)12 in
G minimum (mm)247 mm
G minimum (in)9 3/4 in
H maximum (mm)280 mm
H maximum (in)11 in
H minimum (mm)222 mm
H minimum (in)8 3/4 in
I maximum (mm)129 mm
I maximum (in)5 in
I minimum (mm)71 mm
I minimum (in)2 7/8 in
J (mm)25 mm
J (in)1 in
K (mm)29 mm
K (in)1 1/8 in
Extrusion length (m)2.13 m
Extrusion length (ft in)7' ft in
Luff tape size (mm)5 mm
Luff tape size (in)#6 (6/32) in
ID BOM Qty Price
2110 - more info $14.95
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6mm Bow Shackle

Forged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter. Bow shackles are best for multidirectional loads. Their large interior opening allows plenty of articulation especially when attached to a round bail.

7411.31 - more info $46.00
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Unit 1 MKIV Foil Connector Set - 178mm

Triple-interlock foil joints withstand years of torque loading: foil connectors geometric shape interlocks with foil; secures with syringe-injected adhesive; screws provide final lock.

7411.30 - more info $111.00
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Unit 1 MKIV Foil - 2.13 m

Aerodynamic, clear-anodized aluminum Air foils handle extreme reefing loads.

HFG233 - more info $158.00
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Polyester Double-Braid Line - 7mm x 21.3 m

Specially formulated low-stretch line is abrasion and UV resistant.

HFG686 - more info

Unit 1 MKIV Top Cover Assembly - Drum

H-39812 - more info $450.00
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Unit 1 MKIV Halyard Swivel - without Shackles

Lightweight aluminum halyard swivel saves weight aloft to reduce pitching and heeling.

HFG295 - more info $35.00
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Unit 1 MKIV Connector Bushing Set

Triple-interlock foil joints withstand years of torque loading: foil connectors geometric shape interlocks with foil; secures with syringe-injected adhesive; screws provide final lock.

HFG299 - more info $13.00
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Unit 1 MKIV Connector Wedge Set

Wedges fit slots in foil connector. Line up foil holes with connector screw holes.

HFG343 - more info $15.00
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Unit 1 MKIV Connector Fastener Set

HFG629 - more info $5.00
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Unit 0, 1 MKIV Fastener Set - Trim Cap

HFG680 - more info $20.00
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Trim Cap Set - MKIV 1

HFG687 - more info $30.00
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Unit 1 MKIV Bottom Flange Assembly - Drum

HFG688 - more info

Unit 1 MKIV Line Guard Assembly

HFG696 - more info $55.00
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Unit 1 MKIV Torque Tube Clamp with Fastener

7411.32 - more info $60.00
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Unit 1 MKIV Bottom Connector with Bushings

Triple-interlock foil joints withstand years of torque loading: foil connectors geometric shape interlocks with foil; secures with syringe-injected adhesive; screws provide final lock.

H-39683 - more info $40.00
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Unit 1 MKIV Feeder Assembly

Stainless steel feeder allows fast singlehanded hoist and sail changes.

7411.10BASE - more info $987.00
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Unit 1 MKIV Lower Unit

Aluminum line guard and torque tube are deep-saturation hardcoat-anodized, UV-stabilized for durability. Large inner spool diameter increases mechanical advantage for powerful reefing and furling.

7411.33 - more info $155.00
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Unit 1 MKIV Foil - 0.61 m

Aerodynamic, clear-anodized aluminum Air foils handle extreme reefing loads.