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Old 03-09-2012
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Furling Gear for Asymmetrical Spinakers / Gennakers

Any recommendations for furling units for asymmetrical spinnakers or gennakers? Specifically for a Jeanneau SO33i. Also, interested in the rollgen gear. Will this gear handle winds up to 15 knots? What do you recommend for attachment points. One demo showed attachment to the pulpit, but I believe that would be quite weak to handle high loads. Thanks for any advice.
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Re: Furling Gear for Asymmetrical Spinakers / Gennakers

Sounds like you want a Code 0 furler...

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Re: Furling Gear for Asymmetrical Spinakers / Gennakers

Usually you use a sock, not a furler. If you furl your asymmetric where do you put up your normal jib?
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Re: Furling Gear for Asymmetrical Spinakers / Gennakers

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Originally Posted by faster View Post
sounds like you want a code 0 furler...

google
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Re: Furling Gear for Asymmetrical Spinakers / Gennakers

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Originally Posted by svzephyr44 View Post
Usually you use a sock, not a furler. If you furl your asymmetric where do you put up your normal jib?
A code 0 furler usually mounts on a short sprit ahead of the jib, which can still be on its own furler.. There's no stay, usually just a upper and lower swivel.

Here's a lower swivel/drum from Facnor

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Re: Furling Gear for Asymmetrical Spinakers / Gennakers

I think I answered his question on another forum. Facnor spinnaker furler. it is designed to furl a aysmmetrical spinnaker simular to the code 0 but the torque rope is not attached to the sail. I have one and they do work but it does take some coordination between the furler and the sheet handler
Asymmetric spinnaker furlers
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Re: Furling Gear for Asymmetrical Spinakers / Gennakers

Yes, that one's the one I had in mind, I suppose technically it's not exactly the same as a Code 0 setup...
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Re: Furling Gear for Asymmetrical Spinakers / Gennakers

the code 0 has the torque rope as part of the sail. the spinnaker furler has a seperate torque rope with a small line attached to the center of the sail luff and a swivel at the tack and head of the torque rope so as the rope spins the center of the sail will roll up first to take up the bulk before the rest of the sail furls around the rope. they make three models
Code 0, spinnker furler and one that can be converted to do both jobs. its a code0 furler with the spinnaker swivel adapters and torque rope added.
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Re: Furling Gear for Asymmetrical Spinakers / Gennakers

Quote:
Originally Posted by overbored View Post
the code 0 has the torque rope as part of the sail. the spinnaker furler has a seperate torque rope with a small line attached to the center of the sail luff and a swivel at the tack and head of the torque rope so as the rope spins the center of the sail will roll up first to take up the bulk before the rest of the sail furls around the rope. they make three models
Code 0, spinnker furler and one that can be converted to do both jobs. its a code0 furler with the spinnaker swivel adapters and torque rope added.
I have a Facnor FX 2500 furler with a AFX conversion kit.
Use the same furler for three different sails
  • A solent type staysail set just below/aft of the headstay.
  • A code 0 hoisted on the spinnaker halyard and set on a the bowsprit
  • With AFX kit i set the asymmetric in the same position

Here is a picture of the asymmetric, you can see the furling line at the top of the piucture - its attached to the torque rope.


Here is a pic of the furler with the code 0
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Re: Furling Gear for Asymmetrical Spinakers / Gennakers

There is a new NZ brand beaumarine.co.nz, that seem very competitive. However they are a bit conservative on the sail area handled although the working loads capacity is a bit higher than other brands.
The attachment point is an issue. You can use the atn top tacker or beads to attach to the rolled up jib/ forestay but that limits the ability to let the sail forward to pick up the wind on a broad reach without sag to leeward. The alternatives are a small prod, which you want retractable to save having a spear sticking out of the bow, or if there is sufficient space ahead of the forestay eg on the anchor roller framework and it is strong enough, and it clears preferably your pulpit and lights. Both can involve a fair amount of cost in fabrication and modification to get the strength depending somewhat on the boat and the anchor pulpit set up.
The other thing is the wind angles you want to sail. The code zero will go to forty degrees true but rather less apparent so you get greater windward speed in the light but on my calculations the AWA may be around 70 so the VMG may not be as great as one thinks. The windload is also greater by around 50% roughly so the windrange is limited to probably below 10 knots, and you may need a bigger furler.
Where the assy does seem attractive is in the roughly 100-155 range. So you still tack downwind, and can hold it to about 15 knots allowing a bit for gusts.
Assuming normal cruising with a limited sail wardrobe rather than specialist sails for shorthanded racing. my conclusion was the hassles and costs of 1 the sail, 2 a larger size furler 3 special fabrications, outweighed the limited benefits and I was better off using the pole and existing sym spinnaker with a decent sock. I also needed to add or repair a good tiller pilot which is a separate issue really. I guess it depends on the boat your budget and how much you will use it.
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Last edited by chris_gee; 03-10-2012 at 06:38 PM. Reason: correct brand
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