Description
Harken Unit 3 MKIV Ocean Jib Furling System
MKIV Ocean furling systems for cruisers are engineered for strength, longevity, and ease of use. These free-rolling furlers make all the difference in headsail control by allowing cruisers to furl and reef from the safety of the cockpit, while maintaining great sail shape. MKIV Ocean furling systems offer the same quality as MKIV for racers but without features cruisers don’t need. They are made of hardcoat-anodized aluminum, UV-stabilized for durability and include multiple rows of Torlon ball bearings to minimize friction and make pulling the furling line a less physical experience. The bearings require no lubrication for easy maintenance and feature a single groove foil.
Technical Description
| A (mm) | 186 mm |
| A (in) | 7 5/16 in |
| B (mm) | 296 mm |
| B (in) | 11 5/8 in |
| C (mm) | 86 mm |
| C (in) | 3 3/8 in |
| D (mm) | 247 mm |
| D (in) | 9 3/4 in |
| E (mm) | 121 mm |
| E (in) | 4 3/4 in |
| F (mm) | 1286 mm |
| F (in) | 50 5/8 in |
| G (mm) | 467 mm |
| G (in) | 18 7/16 in |
| Clevis pin Ø (mm) | 28.6 mm |
| Clevis pin Ø (in) | 7/8 in |
| H (mm) | 420 mm |
| H (in) | 16 5/8 in |
| Rod Ø (dash) | -48 |
| Rod Ø (mm) | 14.3 mm |
| Wire Ø (1 x 19 SS) (mm) | 16 mm |
| Wire Ø (1 x 19 SS) (in) | 9/16 in |
| Standard headstay length (m) | 22.76 m |
| Standard headstay length (ft in) | 74′ 8″ ft in |
| Maximum headstay length (m) | 27.03 m |
| Maximum headstay length (ft in) | 88′ 8″ ft in |
| I (mm) | 188 mm |
| I (in) | 7 3/8 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 |
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