Underdeck Furling System With 3 Mm Luff Wire For Small Sailboats, Low Profile Drum Beneath Deck, No Fuss Sail Handling For 16 To 30 Ft Daysailers, Ideal For Sportboats, Hoistable Halyard Swivel Optional

Underdeck furling for small sailboats with low drum
✔️ Low-profile drum under deck reduces tack height for max sail area

Small boat underdeck furling units are designed for sportboats and daysailers from 4.8 m to 9 m (16-30 ft). The drum sits beneath the deck, lowering the tack height to maximize 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.

✅ 16-30 ft (4.8-9 m, 4800-9000 mm) small-boat underdeck furling unit
✅ Drum located beneath deck lowers tack height for max sail area
✅ Optional hoistable ball bearing halyard swivel on headstay
✅ Swivels independent of headstay let you tension the luff separately from mast rake

💡 What is an underdeck furling system and why is it handy on 16-30 ft daysailers? This is a practical overview.
1) Simplifies sail handling with deck-level furling
2) Low tack height improves sail area efficiency
3) Independent luff tension vs mast rake for better control
4) Optional hoistable halyard swivel adds easy sail raising/lowering

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