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Comptip and square top sails http://www.hobie.com/au/en/forums/viewtopic.php?f=13&t=52828 |
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Author: | John Lunn [ Mon Sep 08, 2014 7:00 pm ] |
Post subject: | Comptip and square top sails |
Much has been written about comptips, and I am not here to say 'good' or 'bad'. What do others do to achieve a tight leech? We sail a 1989 SX18, with a new style Pentex square top main, and we've had the devil of a time getting a tight leech. I removed the H001 blocks on the boom, used the H002 with becket, and installed a used triple, courtesy of a fellow Forum member. Now with 10 mm Robbline, on the upwind, I can get the blocks within 18" of each other. However, this caused the comptip to bend backwards, which is not good for a tight leech. So our next adjustment was to release the mast rotator fully. Our thinking is that it is better for the mast to bend on the minor axis, and so far we are good. I can now hold those pesky Classic Tornado's on the upwind. What do others do? So let me ask, was the comptip designed for a pin top sail only... so the top can twist away without affecting the leech tension? Is there anything else we can do to maintain a tight leech? Something must be workiing, as we placed 2nd in this last weekend's local regatta. At Fanfare, in a mixed fleet of Tornado's, a NACRA 500, a F16 Blade, an Inter 20, a Unicorn, a H16, a H17 and our SX18, we came in 2nd. ![]() |
Author: | MBounds [ Tue Sep 09, 2014 4:51 am ] |
Post subject: | Re: Comptip and square top sails |
John Lunn wrote: So let me ask, was the comptip designed for a pin top sail only... so the top can twist away without affecting the leech tension? The Comptip was introduced (mid-'80s) long before square-top mains were (late '90s), so I'd have to say, "Yes." John Lunn wrote: Is there anything else we can do to maintain a tight leech? Use a stiffer mast - like a Tiger's (it's been done before). |
Author: | John Lunn [ Tue Sep 09, 2014 6:17 am ] |
Post subject: | Re: Comptip and square top sails |
Thanks Matt, that's what we thought. Too much work for me to convert to a Tiger mast, much easier to buy one! Or even a good, used WildCat..... Mike, would you recommend a conversion? |
Author: | OlderBowman [ Tue Sep 09, 2014 12:50 pm ] |
Post subject: | Re: Comptip and square top sails |
John, how about a SX mast without a comp tip? Seems to me to be the reasonable solution. Sort of a plug n play. |
Author: | John Lunn [ Tue Sep 09, 2014 1:08 pm ] |
Post subject: | Re: Comptip and square top sails |
I would go with that in a flash.... who would sell one? Not Hobie.... at least that is my thought. If I could sign a legal waiver, I'd buy the extrusion and remount all the tangs and diamond wires and be good to go. Ideas? |
Author: | MBounds [ Tue Sep 09, 2014 2:05 pm ] |
Post subject: | Re: Comptip and square top sails |
OlderBowman wrote: John, how about a SX mast without a comp tip? Seems to me to be the reasonable solution. Sort of a plug n play. No such animal. The SX was developed with the Comptip in 1989. |
Author: | srm [ Tue Sep 09, 2014 3:46 pm ] |
Post subject: | Re: Comptip and square top sails |
Laminate a couple layers of carbon fiber onto the outside of the comptip. That should stiffen it up a bit... sm |
Author: | mmadge [ Mon Oct 06, 2014 5:41 pm ] |
Post subject: | Re: Comptip and square top sails |
John Lunn wrote: Thanks Matt, that's what we thought. Too much work for me to convert to a Tiger mast, much easier to buy one! Or even a good, used WildCat..... Mike, would you recommend a conversion? Sounds like you are doing pretty good with what you have.Though the Tiger is a pretty nice upgrade ( just saying) |
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