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ct95949
Captain

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Aruba
300 Posts
Initially Posted - 05/03/2004 :  23:36:49  Show Profile
This is an update to the post I wrote last week about my new Ullman main hitting the backstay at full hoist. I called Gary Swenson at Ullman Ventura and the Catalina Direct tech line and they both told me about the same thing: The full batten loose footed main is cut fuller in the rouch to increase performance and it does hit the backstay. I do not have the wrong sail. If I don't want it to hit the backstay, lower it with the downhaul, tension with the cunningham. The possible loss of power with a lower sail was more than compensated by the increased sail area. Gary Swenson did not recommend raking the mast aft in my high wind area as it would increase weather helm. They said I could cut the top batten shorter but when I looked at it again it only stuck out about an inch so I didn't bother. With the boat in the slip I set the downhaul so the head would stop about 9" from the top. I tensioned the backstay and cunningham as I would in high wind conditions, the upper batten just clearing the backstay. On Sunday my wife and I went sailing for the first time in over two months. (My upgrade projects got a little out of hand ) The wind was light so with tension off I thought the sail would hit the backstay but it didn't or at least it never hung up. All my tacks were crisp and smooth. The bottom line for me is this: the CD Ullman offshore sail is very well built, the loose foot and full battens give it a shape I could never get with my old sail. It is much easier to trim and tell the flow of air. Racers may not care about the sail hitting the backstay but I do and it seems to work fine with it lowered 9". My big problem turned out to be a small one once I learned a little more about rigging and sail trim. This forum has to be the best sailing school going. Thanks again for all the help! Craig

'90 SR/WK #6017. PO of '79 SR/SK.
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ClamBeach
Master Marine Consultant

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3072 Posts
Response Posted - 05/04/2004 :  10:04:02  Show Profile
Thanks for the update... I'm pondering a new main myself and the info is valuable...
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oldsalt
Admiral

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USA
578 Posts
Response Posted - 05/04/2004 :  18:15:44  Show Profile
Thanks for getting back to us and sharing your experience.
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Blueye
1st Mate

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USA
26 Posts
Response Posted - 05/04/2004 :  22:05:51  Show Profile
I appreciate the info on the rigging. I expect delivery of my Ullman Main within a week or so, but I do have some problem with the rigging suggestions. Based on your rigging, the main is 9 inches from the top and the extra sail is tighened up by the cunningham. This is done to prevent the upper batton from hitting the backstay, plus the full Cut of the Main adds performance.
1. Did you consider lowering your boom several inches or is that not an option.
2. Is the Cunningham required with the Ullman?
3. Appears extra steps and trimming is needed to set sail, Right?

I am anxious to get my sail, but I am reading of many issues with the Ullman. I like my rigging simple, fewer lines the better..perhaps the Ullman is not for me.
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oldsalt
Admiral

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USA
578 Posts
Response Posted - 05/04/2004 :  22:21:37  Show Profile
Blueye, I have the same sail on my tall rig and hoist it right to the top, don't need to lower the boom with the downhaul or tighten the cunningham and I have had no problems, so I'm a little confused. Obviously the sailmaker knows his product, but I wonder if the sails for regular and tall rigged boats behave differently because of the different aspect ratios of the mainsails.
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ct95949
Captain

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Aruba
300 Posts
Response Posted - 05/04/2004 :  23:24:56  Show Profile
Blueye,the boom is lowered with the downhual.I rigged mine the way Duane Wolff advised in my original post(Wrong Mainsail?)It is a very simple set it and forget it rig.If you are more interested in simplicity than performance the cunningham may be optional.This sail is set up with all kinds of trimming goodies at a reasonable price but you don't have to use them all...yet.The more I learn to sail the more sail control I want! Craig
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.