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Go Back   SailNet Community > Skills and Seamanship > Seamanship & Navigation
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  #1  
Old 03-26-2007
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Jammed Furler

Hi all. This hasn't happenned to me (yet) but I was just wondering, always wanting to have a contingency plan: If you have your genoa furled 30% or so in high winds and the furler jams so that you can neither furl nor unfurl, what do you do?
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Old 03-26-2007
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Run downwidn so the main blankets the jib, untie your stopper knots and remove the sheets from the turning blocks. Then either:
1. unfurl the sail by passing a sheet in front of the forestay, counter to the direction of the furler, and then pulling a wrap off the furler, use a sheet winch if necessary. Continue until the sail is unwrapped, then dump the sail and remove.
2. If the sail won't unwrap, then pass the sheet in front of the forestay in the same direction as the furler, and manually wrap the sail around the forestay. When done, secure the furled sail with some ties. On the next calm day, straighten the mess out.
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Old 03-27-2007
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Probably the biggest cause of a jammed furling line is letting it free run during the unfurl, especially in a breeze. This pulls the loops into the furler at a high rate of knots , and the loose loops can overlap and override each other.

It's really important to keep some tension on the furling line as you pull out the headsail with the sheet. Take a turn around a winch or a cleat on the larger sails that can overpower someone holding the furling line, especially when a good breeze grabs the sail.

Prevention's worth a.....
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Old 03-27-2007
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On the prevention is better that cure tack, watch the head of the sail while furling, not the foot. I've seen a spinnaker halyard vanish into the wrap with expensive results.
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Old 03-27-2007
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Also, keeping both the furling line and the headsail sheets under tension during the unfurling and furling process will help eliminate most of the jamming problems .

As for the spinnaker halyard, I generally recommend running it aft of the spreaders when it is not in use and tensioning it, to prevent it from wrapping on the roller furling headsail.
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Old 03-27-2007
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While attempting to remove my Genoa from the Furlex during last season's decomissioning, it was discovered that the wire halyard had wrapped itself around the furling head. This necessitated going aloft - took a while to untangle the rat's nest.

We will install sails in a couple weeks and am hoping the kinked wire will not cause any problems.
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TB-

I would see about replacing the wire. Kinked wire generally loses quite a bit of its strength, and it is also more likely to "misbehave" than an unkinked halyard would.
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I'm considering replacing the rope-tailed wire halyards with all rope anyway - if the masthead sheaves would accept them.
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Old 03-27-2007
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I understand that this is one scenario that causes a lot of concern with furlers. I have a preventer installed on the forestay which is supposed to prevent the halyard from wrapping around the forestay.
TB, do you have a preventer? If not, I would think you would want to look into it before launching.
Im still learning about furlers. I go back to the days of hanked on head sails.
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Old 03-27-2007
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Want to solve this problem once and for all..Get one of these...



Guaranteed nor jamming....



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