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Simplified Roller Furling on Standard Sail http://www.hobie.com/forums/viewtopic.php?f=32&t=8455 |
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Author: | Geezer [ Tue Dec 18, 2007 9:02 pm ] |
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Thanks for the ideas. What type of retainer keeps the mast in place? |
Author: | stringy [ Wed Dec 19, 2007 12:00 am ] |
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G'Day Geezer, The cleated furling line stops any uplift of the mast although I have found that the mast doesn't really need any locking down. Gravity does a pretty good job. |
Author: | kepnutz [ Wed Dec 19, 2007 8:07 am ] |
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G'day Stringy Nice bit of work there on that furler as per usual Hows the sailing going ? Have you had any good wind lately ? Post up some more digi-pickies when you can. Kepnutz |
Author: | stringy [ Thu Dec 20, 2007 2:11 am ] |
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Thanks for the kind comments Kep Hoping to get out in the next couple of days - had a hectic week but managed to finish end of year jobs . I'll try to get a friend to take some better pics. I'd like to see for myself how the twin sails shape up. The forums have been a bit quiet. RR is conspicuous by his absence I guess your season is ending as the main thread seems to be cold weather gear! Ours is just beginning and I've got some trips planned for our summer break. Will keep you posted. Any trips planned down (up??) your way? Always enjoy reading your travelogues |
Author: | kepnutz [ Thu Dec 20, 2007 7:55 am ] |
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G'day Stringy No kayaks trips up this way for awhile The weather is a bit rooted now plus the days are real short and cold like they been saying. Roadie is probably out getting chrisse-prezzies for all his rello's and such or off on chrissie hol's like most of us. We can only sit here on our fat dates in front of our pooters now like bloody buggery whingers with our underdaks in a bunch and watch while you have a go till our weather improves. Im just about to go troppo with a few kangaroos loose in my top paddock from all this mucking about indoors. So give it heaps when you can for all us northern hemi blokes and post some more digi's !! Cheers Kepnutz |
Author: | Geezer [ Sat Dec 22, 2007 7:01 pm ] |
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Stringy, Is the grub screw holding the "knuckle" to the mast sufficiently strong to hold the sail furled partially in a blow? Also, I am installing this on a "Sport", and there is not enough room around the mast tube for the knuckle to sit atop a bearing on the mast tube. I plan to tighten the knuckle just high enough for it to turn freely and force a small piece of teflon into the mast tube for the mast to turn on. Sure hope the mast stays put in a blow without a retainer. The water is a little hard now here in Montana for much Kayaking/sailing for me to give this a try. I spent a year in Cairns in the early 90's and sure wish the AI or a sailing kayak had been available then. |
Author: | stringy [ Sun Dec 23, 2007 1:43 am ] |
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G'Day Geezer, I'm not familiar with the Sport. Next time I visit my Hobie dealer I'll have a look. The bearing is about the same size as the mast tube and the washers are only only slightly larger. What is causing the obstruction? Could you use a spacer between the knuckle and the mast tube to bear down on the bearing/teflon disc? This is my newest sail and I have had it out only a few times but I have had no problems yet. Today the wind was a steady 25 km/h with gusts at about 35km/h. At times I furled to the tell tales and even past them. Everything still tight and certainly no lifting of the mast. If you're concerned about the knuckle screw not holding you could always screw a selftapper directly into the mast through the knuckle. Hope you can get it working OK. I couldn't do without furling now! |
Author: | stringy [ Sun Dec 23, 2007 4:12 am ] |
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Oops! Just realised my mistake about the furling line. It goes in a CLOCKWISE direction around the mast I edited the original post. Or is it different in the Northern Hemisphere? |
Author: | Geezer [ Sun Dec 23, 2007 8:39 am ] |
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Thanks for the update. I will build up a spacer to work with the bearing and will try with and without in the spring, I am running the furling line to the left side of the Kayak, through a cheek block to a cam cleat just in front of the rudder control. A little variation to your idea. |
Author: | stringy [ Mon Dec 24, 2007 12:01 am ] |
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Sounds great Geezer. Any pics? |
Author: | Frank Rubino [ Fri Dec 28, 2007 12:15 pm ] |
Post subject: | Trouble finding bearing |
Stringy would you mind supplying the link to the web site that you found that bearing at? |
Author: | stringy [ Sat Dec 29, 2007 12:52 am ] |
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G'Day Frank, I got the bearings from a supplier here in Australia: http://www.smallparts.com.au/cgi-bin/st ... hes=0=post Looks like they will post overseas although I don't know how long it would take especially now being the Christmas break. It took about 4 weeks for them to arrive during normal business times . I'd be surprised if you couldn't source them locally. I've always been envious of what you can get in the US that we can't get here and how much cheaper things are You could try this site in the US that I came across: http://www.torquetrans.com/ball_thrust_ ... /index.htm |
Author: | Frank Rubino [ Mon Jan 07, 2008 12:30 pm ] |
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Thanks for the info Stringy! Torquetrans.com sent the bearing today and it looks great. I machined a part to look like your knuckle out of billet aluminum and plan on anodizing it to match my sail. I will post a photo when I get the project completed. Thanks again for the awesome idea. |
Author: | stringy [ Mon Jan 14, 2008 4:36 pm ] |
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Glad I could help Frank- I hope it works out OK. We have just returned from a week away where we sailed every day so I was able to give the system a good workout. A problem I have found with this newer system is that the furling line being attached low at the knuckle can become tangled in the bearing if you are not careful when unfurling with the main. Holding the furling line up while pulling on the mainsheet prevents this. Remember this design eliminated holes drilled into the mast but I think now I am going to drill a hole further up the mast and run the furling line inside the mast then exit through the hole. I am also thinking about some type of cup with a small hole for the furling line to exit from located above the knuckle and mounted so that it spins freely. This should prevent line tangles. |
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