Crazy idea here!

[Joel H.]

The questions are: Has it been done? Could it work?

Here goes.... Running a hank-on headsail up a bare furler extrusion using dyneema "soft shackles" for hanks around the extrusion?

Sorry, I have extra headsails and too much free time.
Anyway, let me know your thoughts.
Joel H.

 

[Marinetech]

Hi

Take a look at this months issue of Sail mag. They have an article on a Solent Stay that might be of so interest to you.

 

[redhead78]

Re hank on

I had similar idea,I have a real small storm sail I was trying to think of a way to hank right over the furled sail. I was thinking I would need some type of soft gaff rig type hanks, I could open and close easily...Red

 

[Joel H.]

This Solent Stay idea looks pretty inviting. I can't believe I never heard of it before. I have to think about the upper attachment points though.
Anyway, I'd still like to here what more people think about my original idea.

 

[NC-C320]

One possibility would be to have a sail loft to make a Dacron sleave of heavy sailcloth to wrap around the furler extrusion (or make it big enough to go over furled sail), and on the edges of the sleeve, install grommets on each side of the sleeve at points corresponding with the hanks on the sails. When you want use the hank on sail, then wrap the sleeve around the furler, and hook each hank into the two corresponding grommets. Problem could be if you have more than one such sail and the hanks are at different locations...maybe more grommets with some color coded somehow. On the sleeve where the grommets are, you would probably want to provide reinforcement with a fabric tape sewed along the sleeve edges.

The result would be something similar to the commercially available Gale Sail in function/use. Not sure about possibility of patent infringement issues because of similarity to the Gale Sail, or if they would even apply to an individual use...i.e. not commercial competition. To see what the Gale Sail looks like, do a google search.

If you will be taking the furler sail down each time or if you don't have a sail to fit the furler, you can use the same concept with a long strip of heavy, reinforced sailcloth with grommets on one edge matching the hanks on the sail and the other edge with the bead strip sewen in to allow feeding the sail into the furler extrusion groove.

 

[Joe]

The questions are: Has it been done? Could it work?

Here goes.... Running a hank-on headsail up a bare furler extrusion using dyneema "soft shackles" for hanks around the extrusion?

Sorry, I have extra headsails and too much free time.
Anyway, let me know your thoughts.
Joel H.

Perhaps "Kiwi Slides" might help.....

since the furler is bare, this would be a good solution..... much cheaper than sewing in luff tapes to all your hank on sails...

 

[msmalter]

Storm Jib Over Furled Sail

I had similar idea,I have a real small storm sail I was trying to think of a way to hank right over the furled sail. I was thinking I would need some type of soft gaff rig type hanks, I could open and close easily...Red

ATN sells a Tacker (for attaching the tack of a spinnaker to the furled headsail) and a Gale Sail (a storm jib that attaches around the furled jib). You could look at their design and see how to modify it for your application.

 

[Joel H.]

Going back to my original idea: I guess my question is, if soft hanks around a bare furler foil could be damaging to the foil? My thought is it would be the cheapest/easiest way to get my 110% and my 135% into action.

 

[py26129]

I'd be interested in a similar set-up as well. I'm trying to improve our light air performance a bit with a scrounged drifter (light weight genoa type). If it works well then I have no issues adding a luff tape but until then There are too many other projects to allocate te required funds on something on an experiennt.

I will follow this thread with interest.

Matt

 

[NC-C320]

Going back to my original idea: I guess my question is, if soft hanks around a bare furler foil could be damaging to the foil? My thought is it would be the cheapest/easiest way to get my 110% and my 135% into action.

Joel,

You are probably asking a question that no one can reasonably answer. Factors that would have to be known are how many soft hanks, diameter of hanks, maximum force from wind acting on sails, especially in gusts where forces are yanking and snatching on the hanks and furler foil, material of the furler foil, thickness of the foil material, the amount of extra support material in the foil at the grooves, friction of hanks against the foil, etc. It gets very complicated and about the best you are going to get is just a guess. This is true even if someone has used the same technique before because the geometry and forces are likely to be quite different case to case. Maybe it'll work, maybe it won't and that's the risk you have to take. Certainly, soft hanks would be easy to attach and dis-attach the sail. There also is a question of when you get these soft hanks in place, will the sail slide smoothly up and down the hoist, or will it hang, especially if there is wind force on the sail when you are trying to raise or drop the sail?

 

[py26129]

I sent an inquiry to Harken this afternoon, expecting an answer in a day or two. Surprisingly they replied almost immediately!

Their recommendation was not to try it as they felt that there was a good chance that the extrusions etc. might be damaged.

Cheers

Matt

 

[Joel H.]

I sent an inquiry to Harken this afternoon, expecting an answer in a day or two. Surprisingly they replied almost immediately!

Their recommendation was not to try it as they felt that there was a good chance that the extrusions etc. might be damaged.

Cheers

Matt

Ah, well, I guess they would know. LOL Now why didn't I think of doing that. Well at least I acknowledged that it was a crazy idea up front.
Anyway, thanks everyone for all the input.
Now I can concentrate on my other crazy ideas.
cheers,
Joel H.

 

[NC-C320]

Ah, well, I guess they would know. LOL Now why didn't I think of doing that. Well at least I acknowledged that it was a crazy idea up front.
Anyway, thanks everyone for all the input.
Now I can concentrate on my other crazy ideas.
cheers,
Joel H.

So why don't you try something like I suggested before? How much can the sleave cost? As I recall soft hanks are pretty expensive if you are buying ready made. Here it is again.

One possibility would be to have a sail loft to make a Dacron sleave of heavy sailcloth to wrap around the furler extrusion (or make it big enough to go over furled sail), and on the edges of the sleeve, install grommets on each side of the sleeve at points corresponding with the hanks on the sails. When you want use the hank on sail, then wrap the sleeve around the furler, and hook each hank into the two corresponding grommets. Problem could be if you have more than one such sail and the hanks are at different locations...maybe more grommets with some color coded somehow. On the sleeve where the grommets are, you would probably want to provide reinforcement with a fabric tape sewed along the sleeve edges.

The result would be something similar to the commercially available Gale Sail in function/use. Not sure about possibility of patent infringement issues because of similarity to the Gale Sail, or if they would even apply to an individual use...i.e. not commercial competition. To see what the Gale Sail looks like, do a google search.

If you will be taking the furler sail down each time or if you don't have a sail to fit the furler, you can use the same concept with a long strip of heavy, reinforced sailcloth with grommets on one edge matching the hanks on the sail and the other edge with the bead strip sewen in to allow feeding the sail into the furler extrusion groove.