Is there a difference in shape between hank and roller furler sail? - Page 2 - SailNet Community
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post #11 of 17 Old 07-10-2018
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Re: Is there a difference in shape between hank and roller furler sail?

Jeff, as always you have way more experience, and knowledge in these things.

and yes a foil is better than hanks... but a roller furler designed sail will generally be cut high enough with an open enough foot, that it'll furl correctly... this is a requirement for furling, so you loose the deck-sweeper end plate effect. Only a real issue when you are on the lower end of wind speeds for sure. As winds pipe up the open foot will actually help balance the load and make it easier to twist things off as the cars come back.

I still think a roller furler that allows a foil, with a removable drum gives you best of both worlds. Foil for racing sails, that you can put properly cut deck sweepers for the lower end of the range, and add a drum and put a sail cut for furling on it for the 99% of the rest of the time you sail. I'm debating doing this myself. Sadly most of my sails are hank on, so they'll all need converted to tuff luff.

I will make one exception for roller furlers that the drum resides below deck is probably the best of all with very little compromise.
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post #12 of 17 Old 07-10-2018
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Re: Is there a difference in shape between hank and roller furler sail?

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Originally Posted by Jeff_H View Post

If The OP wants to get fancy he can add a downhaul that will allow him to douse the Jib from the cockpit, and maybe even add a reef point so he can simply partially lower the jib and reef it which is way easier and almost as effective than doing a sail change, and way better than sailing with a partially furled jib.

Jeff
Very cool idea, is there a trick to transferring the sheets to the upper clew cringle when you reef? Do you just lower the sail all the way to make the switch and then hoist it back up? I have visions of getting smacked in the head by a flogging cringle while trying to swap the sheets and gather the foot of the sail.
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post #13 of 17 Old 07-10-2018
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Re: Is there a difference in shape between hank and roller furler sail?

The deal on rigging the sheets is that you run a separate set of sheets through the correct sheet lead block and tie those sheets to the reef clue cringle before you reef and while the sail is still full so its not flapping about. That cringle will typically only be at eye level even on a pretty big boat. Then when you have reefed and the new sheets are trimmed, you remove the old sheets and brail the bottom of the sail to keep it from catching waves. Plan 'B' is to move the lazy sheet up to the reef clew grommet, reef then tack, and then tie on the new lazy sheet.

This is very old school stuff that was pretty much the norm in the days before modern furlers and hardware.

Jeff
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Re: Is there a difference in shape between hank and roller furler sail?

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Originally Posted by Jeff_H View Post
The deal on rigging the sheets is that you run a separate set of sheets through the correct sheet lead block and tie those sheets to the reef clue cringle before you reef and while the sail is still full so its not flapping about. That cringle will typically only be at eye level even on a pretty big boat. Then when you have reefed and the new sheets are trimmed, you remove the old sheets and brail the bottom of the sail to keep it from catching waves. Plan 'B' is to move the lazy sheet up to the reef clew grommet, reef then tack, and then tie on the new lazy sheet.

This is very old school stuff that was pretty much the norm in the days before modern furlers and hardware.

Jeff
I like this idea so much I'm almost ready to get rid of the furler . Worth mentioning that I have an old hood seafurl (810?) with an infinite furling line. It is rather difficult to furl even in benign conditions, and I feel it is both an inconvenience and a danger. I'm in the process of making my Newport 30 Mkii a bit more seaworthy, so that I won't have an emergency at the first breeze, and doing something with the furler is part of that.

I either have to replace the furler, or move to hanks, as a result.
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Re: Is there a difference in shape between hank and roller furler sail?

Not totally following the logic. Being able to quickly get the foresail furled, without needing to go to the foredeck, is it's primary advantage.


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post #16 of 17 Old 07-10-2018
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Re: Is there a difference in shape between hank and roller furler sail?

Unless things have changed radically since last I used hank on sails, all the hank on sails I've owned had wire luffs, not rope. That can't be cheap to have a sailmaker put in.

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post #17 of 17 Old 07-11-2018
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Re: Is there a difference in shape between hank and roller furler sail?

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Originally Posted by capta View Post
Unless things have changed radically since last I used hank on sails, all the hank on sails I've owned had wire luffs, not rope. That can't be cheap to have a sailmaker put in.
I don't think that wire luffs are used anymore. In my most recent experience, depending on the size of the sail, small hank on jibs no longer have any luff reinforcing other than the luff tabling, and bigger jibs seem to use modern high modulus line. The cost of either seems to be pretty similar to installing a foil boltrope,

Regarding the original poster, on a 30 foot boat, it may be possible to simply install cringles for the hanks and actually remove the foil boltrope from the sail or having to add a new luff rope. That could be pretty inexpensive to do. If the OP was pretty handy, and does not mind a stitched in webbing connection, it would be pretty easy to add the hanks as a DYI project.

Jeff


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