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Unit 0 Underdeck Furling System Unit 0 Underdeck Furling System Unit 0 Underdeck Furling System Unit 0 Underdeck Furling System
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Unit 0 Underdeck Furling System

Part No. 7410.11
$3,935.00  Not available on-line. Please contact your Harken dealer.
Wire Ø (1 x 19 SS) (mm)5, 6 mm
Wire Ø (1 x 19 SS) (in)3/16, 7/32 in
Rod Ø (mm)4.37, 5.03 mm
Rod Ø (dash)-4, -6

Harken’s MKIV Underdeck Furling is the perfect solution for performance racers and cruisers who want an aerodynamic system with a minimal amount of equipment above deck. The drum is located beneath the deck, lowering the tack height for maximized sail area.

Extrusion length (ft in)7' ft in
Luff tape size (mm)6 mm
Luff tape size (in)#6 (6/32) in
DXF42b507e8-46ca-4a4c-a7ac-dab3a2242783.zip#7410.11.DXF 
DWG27cfe76a-62c9-4668-a3ca-42a05cf6df41.zip#7410.11.DWG 
IGS0bf594d8-3691-4910-83f9-bfc5166ad04b.zip#7410.11.IGS 
Wire Ø (1 x 19 SS) (mm)5, 6 mm
Wire Ø (1 x 19 SS) (in)3/16, 7/32 in
Rod Ø (mm)4.37, 5.03 mm
Rod Ø (dash)-4, -6 
Standard headstay length (m)11.7 m
Standard headstay length (ft in)38' 4" ft in
Maximum headstay length (m)13.8 m
Maximum headstay length (ft in)45' 4" ft in
A (mm)96 mm
A (in)3 3/4 in
B (mm)150 mm
B (in)5 7/8 in
C maximum (mm)250 m
C maximum (in)9 7/8 in
D (mm)47 mm
D (in)1 7/8 in
E maximum (mm)1041 mm
E maximum (in)41 in
E minimum (mm)1003 mm
E minimum (in)39 1/2 in
F maximum (mm)213 mm
F maximum (in)8 3/8 in
F minimum (mm)209 mm
F minimum (in)8 1/4 in
G maximum (mm)186 mm
G maximum (in)7 5/16 in
G minimum (mm)183 mm
G minimum (in)7 3/16 in
H (mm)140 mm
H (in)5 1/2 in
I (mm)66 mm
I (in)2 5/8 in
J maximum (mm)59 mm
J maximum (in)2 5/16 in
J minimum (mm)56 mm
J minimum (in)2 3/16 in
K (mm)23 mm
K (in)7/8 in
L (mm)26 mm
L (in)1 1/32 in
Extrusion length (m)2.13 m
Manual: 4427.pdf (open/save)
Manual: 4427-PartsList.pdf (open/save)
DWG: 7410.11.DWG (open/save)
DXF: 7410.11.DXF (open/save)
IGS: 7410.11.IGS (open/save)
EPS: 7410.11.eps (open/save)
High-res JPG: 7410.11.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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