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 connecting roller furling
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jrchase11
1st Mate

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35 Posts

Initially Posted - 11/04/2010 :  18:04:57  Show Profile
I was raising my mast last weekend and could not get my roller furling pinned. I disconnected my backstay allowing connection of roller furling, but then I could not connect the backstay EVEN with quick connecting clamp type fitting. I suspect it is tough to get sufficient tension on the aluminum extrusion of the CDI furler to get it connected. Would an adjustable tension backstay help in this effort? I only need about a 1/2". The quick-release coupling was too tight of a distance when clamped (top of mast 9" out of plane).

JohnC
'87 SR/WK #5658
Fleming Island, FL

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dmpilc
Master Marine Consultant

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USA
4593 Posts

Response Posted - 11/05/2010 :  04:57:02  Show Profile
Is this a new furler installation? Did you make sure there were no kinks or twists of turnbuckle jaws and wire thimbles, etc.? Sometimes when raising our mast a turnbuckle gets twisted which effectively shortens the shroud. If you need just 1/2", why not add a shackle to the backstay turnbuckle? An adjustable backstay would be a good modification. We use ours a lot.

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Sloop Smitten
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1181 Posts

Response Posted - 11/05/2010 :  10:14:00  Show Profile
Not sure what you mean by an aluminum extrusion. CDI has rubber extrusions. It sounds like you need to unscrew your turnbuckle at the bottom of the furler to allow enough movement to attach the backstay and then tighten them both appropriately. With the furler installed you have a lot of force being applied to the forestay which is hard to overcome.

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pastmember
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2402 Posts

Response Posted - 11/05/2010 :  11:47:25  Show Profile
aft lowers too tight?

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Davy J
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1511 Posts

Response Posted - 11/05/2010 :  15:18:09  Show Profile
I'll ask the same as Sloop, what aluminum?

A phenomenon that has happened to me a few times is this. I lower the mast, motor under the #$%*ing bridge, then when I raise the mast, The rolled up jib sheets have slid down on the sail causing tension, once the sheets are loosened, I then have enough slack to connect forestay. It has nothing to do with the backstay, because in my case it is completely loose. The first time it occured, it took some time to figure out because everything looked normal.

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jrchase11
1st Mate

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35 Posts

Response Posted - 11/06/2010 :  05:19:36  Show Profile
Not new furler. I must have mispoke about aluminum. Its white and hard. PO called it aluminum. aft lowers loose. not sure my furler has turnbuckle that I can get to? all that protrudes from the furler drum is the piece that attaches to the end of a t-bolt that the pin goes through.

for that matter it may not be a cdi furler?? it has the two "slides on either side with the block at the top and two cleats on bottom.

I have pondered removing furler, replacing with normal forestay, and modifying my "modified" headsail to make it hank-on. Surely as soon as I do this I will want the furler back.

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Sloop Smitten
Master Marine Consultant

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1181 Posts

Response Posted - 11/07/2010 :  09:37:43  Show Profile
I have never seen a white CDI extrusion, only gray, and the CDI has an internal pulley in the extrusion not a true block. It also has two shackles at the bottom, not cleats, so I suspect you do not have a CDI furler. If you can post a picture I am sure someone here can identify it and offer some advice as how to relieve its tension.
If your trying to connect the backstay you need to make sure the lower forward shrouds are loose. Not the aft lowers.

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