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 Catalina/Capri 25/250 Sailor's Forums
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RichardG
Admiral

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USA
990 Posts
Initially Posted - 09/30/2002 :  14:14:41  Show Profile
I first want to thank Derek for his simple description in another post regarding reading jib telltales for proper jib car positioning. I tried it and found that my cars were generally too far back and I was loosing significant power from the upper part of my jib. I moved them forward and it really seemed to help.

So I now want to add telltales to the sail for my sailing dinghy. There is only one sail (no jib). Should I put the telltales on the leach, like those on my C25 mainsail? Should I instead put them about a foot back from the luff, like those on my C25 jib?

Separately, I had Dair Sails (Wilmington, CA) put a window in the dinghy sail. Boy, what a difference -- it's like I took off my blindfold! While I don't really have any experience with sail lofts, Dair seemed to be a great place. They did it for a very reasonable price and they beefed up some other weak areas they found at no charge.

<img src="http://im1.shutterfly.com/procserv/47b2d711b3127cce909dc5b9b6a90000001410" border=0>

RichardG 81 C25 SR/FK "Sanity"
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Derek Crawford
Master Marine Consultant

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USA
3324 Posts
Response Posted - 09/30/2002 :  18:19:30  Show Profile
Richard - my vote would be for the leech!
Derek
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Steve Milby
Past Commodore

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USA
5937 Posts
Response Posted - 09/30/2002 :  21:17:56  Show Profile
Richard,

I would put them both places. The telltales that are a foot aft of the luff tell you what the air is doing as it passes over both sides of the sail, and the ones on the leech tell you what the air is doing as it leaves the leech. Both provide valuable sail trim information.

Steve Milby "Captiva Wind" C-25 T/FK #2554

Edited by - Steve Milby on 09/30/2002 21:19:58
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osmepneo
Past Commodore

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USA
1420 Posts
Response Posted - 10/01/2002 :  05:46:37  Show Profile
Richard

I would agree with Steve, and place telltails in both locations.

Don peet
c25, 1665, osmepneo, std wing
The Great Sacandaga Lake, NY
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akotoun
Deckhand

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2 Posts
Response Posted - 10/01/2002 :  08:53:35  Show Profile
If you would like to place tt on a main they should be places about 1.5 feet from the luff and about 2-3 feet above the tack. Those help with steering. you can also place on on the top batten so you can tell if you are stalled out.

Hope this helps,

Anthony
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mqp
1st Mate

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USA
46 Posts
Response Posted - 10/01/2002 :  10:26:02  Show Profile
Laser sailors have telltails about a foot back from the luff and at the leach. Don't have the telltails too close to the luff as the mast stirs up the wind quite a bit and the telltails would be useless. About a foot back from the luff would be a minimum to get any proper reading. I've also seen people put another set of telltails half way between the luff and leach telltails. This may be overkill though.

--Minh
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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.