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Underdeck Furling System — 3mm Luff Wire

Part No. 477

Drum Ø (mm) 79 mm

Drum Ø (in) 3 1/8 in

Maximum luff wire Ø (mm) 3 mm

Maximum luff wire Ø (in) 1/8 in

Maximum working load (kg) 431 kg

Maximum working load (lb) 950 lb

Small Boat underdeck furling units are ideal for sportboats and daysailers from 4.8 m to 9 m (16 to 30 ft). The drum is located beneath the deck, lowering the tack height for maximized sail area. An optional hoistable ball bearing halyard swivel can be installed on your headstay so you can raise or lower the sail without removing the headstay. Swivels are independent of the headstay, allowing you to tension the luff separately from the mast rake.
Pin-to-pin length (mm)156 mm
Pin-to-pin length (in)6 1/8 in
Drum Ø (mm)79 mm
Drum Ø (in)3 1/8 in
Minimum line Ø (mm)3 mm
Minimum line Ø (in)1/8 in
Maximum line Ø (mm)4 mm
Maximum line Ø (in)5/32 in
Jaw width (mm)8 mm
Jaw width (in) 5/16 in
Maximum luff wire Ø (mm)3 mm
Maximum luff wire Ø (in) 1/8 in
Clevis pin Ø (mm)6.4 mm
Clevis pin Ø (in)1/4 in
Weight (g)661 g
Weight (oz)23.3 oz
Maximum working load (kg)431 kg
Maximum working load (lb)950 lb
FootnoteIncludes drum and upper swivel. Does not include hoistable swivel.
Note

Includes drum and upper swivel. Does not include hoistable swivel.