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 New Used Main Sail, J-24??		  New Topic  Topic Locked
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Brent
1st Mate

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USA
37 Posts
Initially Posted - 02/16/2005 :  21:35:20  Show Profile
Has anyone had experience using a J-24 mainsail in place of the original equipment catalina sail?

On my Tall rig the dims are as follows:Luff-27.66, Foot-9.58, Leech-29.25

The J-24 dims are more or less as follows: Luff-27'6", Foot-9'6", Leech-29'7". The sizes vary on the used sail web sites.

The size seems really close, almost not enough to worry about, but I want to find out what the absolutly critical dimensions are, etc.

This seems like a potential source for good sails, great sails for weekend sailors like myself.

(head sails as well)

Comments?
Brent
84 C25 SK/TR
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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts
Response Posted - 02/16/2005 :  22:09:36  Show Profile  Visit Frank Hopper's Homepage
I have a standard rig. I use several J-24 headsails. J sailors trade early and often, lots of good deals out there. Sounds like a fit to me. I would think anything $300 or under would be good. The sail should be "flatter" in that it is cut for the acceleration characteristics of a J. Still I would do it at the right price.
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Brent
1st Mate

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USA
37 Posts
Response Posted - 02/16/2005 :  22:18:07  Show Profile
What are the disadvantages of the flatter cut being for the J-24's acceleration? Does this equal a decrease in performance for the C-25, possibly due to its heavier weight, etc.

In other words what are the implications for using a used J-24 sail over a used Cat-25 sail?

Thanks
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rclift
Navigator

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USA
152 Posts
Response Posted - 02/16/2005 :  23:10:18  Show Profile
Most j24 mainsails have a rope luff instead of the slugs used on the c25. Otherwise should work. Check out http://www.baconsails.com/ They had a bunch of used j24 mainsails. My experience with Bacon was excellent.
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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts
Response Posted - 02/17/2005 :  08:18:30  Show Profile  Visit Frank Hopper's Homepage
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Brent</i>
<br />What are the disadvantages of the flatter cut being for the J-24's acceleration? Does this equal a decrease in performance for the C-25, possibly due to its heavier weight, etc.

In other words what are the implications for using a used J-24 sail over a used Cat-25 sail?

Thanks
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
It is just a question of optimization, a flatter sail can be carried in higher wind before being reefed. A tall rig person needs to chime in.
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Steve Milby
Past Commodore

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USA
5902 Posts
Response Posted - 02/17/2005 :  10:16:53  Show Profile
The J24 mainsail would probably work fairly well in normal windstrengths. The C25 is a masthead rig, and it's principal driving sail is the jib. The J24 is a fractional rig, and it's principal driving sail is the mainsail. The C25 mainsail has reef points to depower the mainsail as the wind increases. The J24 mainsail has no reef points, and, when the wind strength increases, you depower the sail by shaping it and by dumping the traveler and mainsheet. Therefor, if you use a J24 mainsail on a C25, you'd have to have reef points installed, to reduce your sail area in strong winds. If the sail is dacron, that could be done. I doubt that a sailmaker can install reef points in a laminated sail, but don't really know. Maybe someone else knows.

I don't remember the J24 mainsail being especially flat cut. Maybe it is. If it is, it would not be as powerful as a fuller cut sail in light air. If you're racing, that would be important, but if you're sailing casually, it probably wouldn't matter that much.

To me, if you can't have reef points installed, I wouldn't buy a J24 mainsail to use on a C25, because you would just have to take your sails down and go back to the docks when the wind pipes up too much. A mainsail that can only be used on your boat within a narrow range of winds isn't worth much, even if it's a low priced, good quality, high-tech sail.

The J24 jibs might be a better value for casual sailing, but I doubt that they would be competitive for racing. The difference between the fractional and masthead rigs would mean that the dimensions of the jibs would be very different.
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PZell
Admiral

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USA
548 Posts
Response Posted - 02/17/2005 :  12:35:03  Show Profile
Guy gave me a couple of head sails and a spinnacker off a San Juan 24 and they worked out fine. Worked out to be a 125 & 135% headsails for the Cat-25 SR. Just cost me the price of having hanks put on them.
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Champipple
Master Marine Consultant

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USA
6855 Posts
Response Posted - 02/18/2005 :  10:11:08  Show Profile  Visit Champipple's Homepage
Maybe on a TALL RIG... I've tried a J-24 Mainsail. It will not fit a standard rig. We use 1 J-24 jib which works out to be a fairly ugly 143 or so.

The Luff on the 24 mainsail is too big for me, but would fit your Tall rig. I wouldn't worry about the foot, you have plenty of extra room there...Almost 8 inches to a foot.

I'd say go with it...

dw
Edited by - Champipple on 02/18/2005 10:13:18
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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.