sailboat boom / furling mast

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sailboat boom / furling mast sailboat boom / furling mast
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Characteristics

  • Application domain:

    for sailboats

  • Type:

    furling mast

Description

A chain drive gearbox controls the raising, reefing, and lowering of the mainsail. It is operated by three control lines (the halyard, a furling line, and a ratchet lock release line). The sail is raised in a traditional fashion by the halyard. The furling line is rolled into the rope drive while the sail is being raised (like a head sail furler). An internal ratchet provides tension on the luff at all times. The sail is furled and reefed by withdrawing the furling line.