Can a sail with too much roach be cut down without ruining It's shape? - SailNet Community

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Old 05-29-2007
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Can a sail with too much roach be cut down without ruining It's shape?

I picked up our new,"square weave"dacron, main the other day from a sailmaker I've used before. When I hoisted it I realized that the roach sticks out past the backstay by 20-30 inches near the head and obviously wont pass through in anything but a gale. When I called the sailmaker he suggested that I screw a batten to the top of the mast that springs the backstay when eased, allowing the roach to pass through. We had never discussed this before and it seems like a royal pain in the ass, as I also have to deal with the runners everytime we tack.
Two questions:
1) Would I take a rating hit for altering the rig as he suggests?

2) Can the sail be re-cut, with a smaller roach, without screwing up the shape that's built into it.

A little more info.
Boat is a Col Sabre, 7/8's rig, adj backstay, runners, no vang 14' boom with 30' hoist,

Last edited by Sabre66; 05-29-2007 at 01:42 PM.
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Old 05-29-2007
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Quote:
Originally Posted by Sabre66
I picked up our new,"square weave"dacron, main the other day from a sailmaker I've used before. When I hoisted it I realized that the roach sticks out past the backstay by 20-30 inches near the head and obviously wont pass through in anything but a gale. When I called the sailmaker he suggested that I screw a batten to the top of the mast that springs the backstay when eased, allowing the roach to pass through. We had never discussed this before and it seems like a royal pain in the ass, as I also have to deal with the runners everytime we tack.
Two questions:
1) Would I take a rating hit for altering the rig as he suggests?

2) Can the sail be re-cut, with a smaller roach, without screwing up the shape that's built into it.

A little more info.
Boat is a Col Sabre, 7/8's rig, adj backstay, runners, no vang 14' boom with 30' hoist,
As far as I know, here, and after reading our rules, that are like yours, you can install the spring back stay...Its easy and a lot of modern boats like the Brenta etc. use it. Ease the backstay on tack and re-adjust, takes 4 seconds...That is what I would do in your shoes...its easy to do also.

You can cut the sail, but it will loose a litle of performance as it has to be cut at the leech and by reducing it you are removing some of the camber and the sail will stall earlier at the mast tip. I wouldn't do it.

Get the spring stay, if you don't know how to do it or ever seen one let me know.
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Old 05-29-2007
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G...Thanks for the input. I've been thinking more about the "Flicker" that allows the backstay to lift. I have in-line spreaders on a 7/8's rig with no aft lower shrouds. What happens when we're heading downhill? The flicker will be useless with all of the pressure on it and I wont be able to jibe the main.
We only race so we push her hard...altering the rig to fit the sail seems like a bad idea...any thoughts? I'm mostly concerned about doing this with in-line spreaders.
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