Product Description Harken Unit 1 MKIV UnderdogHarken'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.Specifications: 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 Wire Ø (1 x 19 SS) (mm) 8 mm Wire Ø (1 x 19 SS) (in) 9/32 in Rod Ø (mm) 7.14 mm Rod Ø (dash) -8 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 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
