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Unit 4 MKIV Furling System Unit 4 MKIV Furling System Unit 4 MKIV Furling System Unit 4 MKIV Furling System Unit 4 MKIV Furling System
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Unit 4 MKIV Furling System

Part No. 7414.10
$9,156.00  Not available on-line. Please contact your Harken dealer.
Wire Ø (1 x 19 SS) (mm)12, 14, 16 mm
Wire Ø (1 x 19 SS) (in)1/2, 5/8, 9/16 in
Rod Ø (mm)11.1, 12.7, 14.3 mm
Rod Ø (dash)-30, -40, -48
Clevis pin Ø (mm)22.2, 25.4, 28.57 mm
Clevis pin Ø (in)1, 1 1/8, 7/8 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.

Extrusion length (ft in)7' ft in
Luff tape size (mm)5 mm
Luff tape size (in)#6 (6/32) in
Wire Ø (1 x 19 SS) (mm)12, 14, 16 mm
Wire Ø (1 x 19 SS) (in)1/2, 5/8, 9/16 in
Rod Ø (mm)11.1, 12.7, 14.3 mm
Rod Ø (dash)-30, -40, -48 
Clevis pin Ø (mm)22.2, 25.4, 28.57 mm
Clevis pin Ø (in)1, 1 1/8, 7/8 in
Standard headstay length (m)22.88 m
Standard headstay length (ft in)75' 1" ft in
Maximum headstay length (m)27.15 m
Maximum headstay length (ft in)89' 1" ft in
A (mm)227 mm
A (in)8 15/16 in
C maximum (mm)533 m
C maximum (in)21 in
E maximum (mm)1411 mm
E maximum (in)55 9/16 in
E minimum (mm)1399 mm
E minimum (in)55 1/16 in
G maximum (mm)515 mm
G maximum (in)20 1/4 in
G minimum (mm)503 mm
G minimum (in)19 13/16 in
H (mm)280 mm
H (in)11 1/16 in
I (mm)130 mm
I (in)5 1/8 in
J maximum (mm)225 mm
J maximum (in)8 7/8 in
J minimum (mm)214 mm
J minimum (in)8 7/16 in
K (mm)44 mm
K (in)1 3/4 in
L (mm)47 mm
L (in)1 27/32 in
Extrusion length (m)2.13 m
Manual: 4419.pdf (open/save)
Manual: 4673-Unit4Parts.pdf (open/save)
EPS: 7414.10.eps (open/save)
High-res JPG: 7414.10.jpg (open/save)

DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.

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