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Roller Furler

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Wind Chime
Deckhand

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USA
12 Posts

Initially Posted - 03/31/2003 : 10:23:40

Bought boat with roller furling headsail in Oct. Furler working great until last month. When trying to pull genoa out the line that you should keep tight tries to wrap around outside of furler instead of going to inside of the four prongs sticking up on the bottom of furler. Does anyone know what the problem may be. Thought it might need some oil on it or something, discovered I could take the four prongs off, but not sure I should.

Edited by - on

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 03/31/2003 : 15:19:43

I'm not exactly sure what is going on with your furler, but it sounds as if the furling line is not winding onto the drum correctly. Is the fairlead that is closest to the drum at the proper angle to guide the line into the drum? It is possible that this fairlead/block has moved causing your furling line to not wind up correctly.

<img src="http://www.catalina25-250.org/c25sm.gif" border=0>Don Lucier<img src="http://www.catalina25-250.org/c25sm.gif" border=0>
<img src="http://im1.shutterfly.com/procserv/47b2cc32b3127cce92e981259d130000001010" border=0>
North Star SR/FK

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John V.
Admiral

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USA
559 Posts

Response Posted - 03/31/2003 : 18:41:34

For the furling line to wind on correctly the fairlead must be set so the line coming off the drum makes a 90 degree angle. Anything more or less will cause the line to either climb out of the drum or pile up on the top or bottom of the drum and jam things up.
the best way to do it is to get a builder's square and line it up with the drum and the furling foil so the bottom of the square extends aft towards the deck. Then take the line of the square and where it meets the foredeck is the arc on which you can set your fairlead. The anchor locker can get in the way so the 90 degree angle doesn't have to be exact but you need to be fairly close.

Hope that helps.

John V. Nin Bimash II
77 C25 sk/sr #153

Edited by - on

Wind Chime
Deckhand

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USA
12 Posts

Response Posted - 03/31/2003 : 18:46:24

The furling line will roll up and the block is fixed, it's the four prongs that cover the drum that aren't moving therefore the line wants to go to the outside of the prongs
thanks,
John

Edited by - on

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 04/01/2003 : 10:54:19

What furling system do you have? Snapfurl, Profurl? I'm not familiar with these units, but aren't the prongs supposed to remain stationary while the drums inside rotates? It would seem that if the prongs rotate then the line would wrap on the outside instead of on the drum.

<img src="http://www.catalina25-250.org/c25sm.gif" border=0>Don Lucier<img src="http://www.catalina25-250.org/c25sm.gif" border=0>
<img src="http://im1.shutterfly.com/procserv/47b2cc32b3127cce92e981259d130000001010" border=0>
North Star SR/FK

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John V.
Admiral

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USA
559 Posts

Response Posted - 04/01/2003 : 18:07:35

The four prongs sound like a Harken small boat furler. Are any of the prongs bent? is the furling drum seated properly on its bearing? are you unfurling while the sail is flapping or are you drawing the sail out with the jib sheet while keeping some back pressure on the furling line? Maintaining some tension on the furling line while the drum is taking it up will keep things tidy. These are a few observations I have made in my learning curve experience with various furlers.

I hope these questions will help you diagnose the problem.

John V. Nin Bimash II
77 C25 sk/sr #153

Edited by - John V. on 04/01/2003 18:12:39

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Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts

Response Posted - 04/01/2003 : 19:07:04

John (Wind Chime):

My Hood furler has a shackle that holds the base in alignment with the stem fitting at the bow. (Actually, I use 2 shackles linked to each other.) Without that, the whole base will try to rotate, instead of just the drum. The jib halyard tension helps to hold the base tight against the stem fitting, and therefore stationary.

Are you by any chance missing a shackle or other connector from the base to the stem fitting?

Most furlers specify NOT to lubricate them in any way--just flush them with water (and maybe a little soap).

Dave Bristle - 1985 C-25 #5032 SR-FK-Dinette-Honda "Passage" in SW CT

Edited by - on

Douglas
Master Marine Consultant

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1595 Posts

Response Posted - 04/01/2003 : 20:20:45

When you bought the boat did the line appear to be new. If so the line may be to large. (Diamiter)

Doug&Ruth
Triska (Alberg 29)
Tacoma Wa.

Edited by - on

Wind Chime
Deckhand

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USA
12 Posts

Response Posted - 04/02/2003 : 08:14:56

I am holding tension on the furling line and yes the whole thing is turning, but I thought maybe the base of it with the prongs was supposed to stay in one place ,but I am not sure if it is out of adjustment or not. And no I do not know the make of the furler,havn't been able to find that on it yet. Will try again this weekend to get it to work right.
Thanks all
John

Edited by - on

Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts

Response Posted - 04/02/2003 : 22:33:14

John: I forgot to mention that when I bought the boat, the furler base was held in position by a loop of stainless wire--not the shackles that I have there now. I suspect the wire would've parted after a few seasons--that's why I replaced it with the shackles. I seriously believe you had something like that, and that it's missing or not connected now. Look for an eye on the bottom of the base that could be used to connect it to the stem fitting to prevent it from turning.

Dave Bristle - 1985 C-25 #5032 SR-FK-Dinette-Honda "Passage" in SW CT

Edited by - on

RichardG
Admiral

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USA
990 Posts

Response Posted - 04/03/2003 : 11:33:37

John:

Does the end of one of the "prongs" have a loop through which the furler line goes? Does it look like this? http://www.sailcdi.com/sprimain.htm?

My 4/6 Type O had the same problem -- the bottom part of the furler (to which the prongs are attached) is supposed to remain stationary, but it wasn't, thus the furling line just wrapped around the prongs. My first solution in preventing rotation of the bottom part was simply tying a small piece of line from one of the prongs to the bottom of the bow pulpit (about a 2" run). This worked well for a several years. But then problems resurfaced last summer. So cautiously, with the schematic picture from the web site in hand, I started taking the lower portion of the furler apart. But I found it's basically simple once I got in there -- and a nut around the bottom of the forestay which holds the bottom part stationary (it also holds the "Drum Bearing Top" and Drum Bearing Bottom" together, which also holds the two halves of the prongs sets) was loose. Tightened it up, reassembled and it's worked well since.

Hope this helps.

Edited by - RichardG on 04/03/2003 11:41:15

Edited by - on

John V.
Admiral

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USA
559 Posts

Response Posted - 04/05/2003 : 11:00:35

John, ditto Richard G. You need to find what is allowing the drum base to rotate, and secure it. Can you take a digital picture of the drum so we can see it. All these sailing doctors need to see the patient.

John V. Nin Bimash II
77 C25 sk/sr #153

Edited by - on

Wind Chime
Deckhand

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USA
12 Posts

Response Posted - 04/10/2003 : 08:35:26

I think Richard probably has the answer. I saw a locking nut under the furler this past weekend ,and no I am still in the last century so I cannot take the pic right now.
Thanks,
John

Edited by - on

Wind Chime
Deckhand

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USA
12 Posts

Response Posted - 04/21/2003 : 19:45:36

Richard was right on the money,
thanks,
John

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The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.