Snipe Rigging??????? - SailNet Community
 
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post #1 of 8 Old 08-20-2011 Thread Starter
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Snipe Rigging???????

We have been given an older Snipe racing dinghy, circa 1974. It is in good shape and was obviously raced quite a bit at some point in its history. This boat has all sorts of fine tuning hardware for the rigging and we have had fun figuring out what everything does.

One thing that has me completely baffled though is how to tighten the forestay. There is a bracket at the bow that has 6 or 8 holes in it where you can hook the forestay. Even on the very lowest hole the forstay is still slack. There is no adjustment on the top of the mast and tightening the shrouds only helps partially. The only way to get the forestay tight is to rake the mast pretty far aft, and this doesn't seem like the right answer.

Under the deck there are a couple of rods that attach to a bracket on the back side of the mast. These allow you to adjust the mast fore and aft, port and starboard. A friend of mine thinks that since this system is supporting the mast the forestay doesn't have to be all that tight. This doesn't seem right to me.

I found a tuning guide on the internet but it was obviously written for someone who already knows quite a bit about sailing (not me).

So is there anyone out there who can shed some light on this for me? Thanks
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post #2 of 8 Old 08-20-2011
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the crappy video shows a link tang on the fore stay and what looks like a turnbuckle on the shroud. you adjust the forstay for the mast rake you want ( for the days wind pressure ) and then adjust the shrouds for rig tension. back in the day when I raced the snipe we left some slack in the shrould tension so the mast would bend forward during the downwind and on the upwind the forstay would be tight when you sheet in on the main.
Rigging a sailboat, Snipe pt 2 08 - YouTube

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post #3 of 8 Old 08-20-2011
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there is also this tuning notes which has some measurments for mast rake
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Quote:
Originally Posted by overbored View Post
you adjust the forstay for the mast rake you want ( for the days wind pressure ) and then adjust the shrouds for rig tension. v=pIh-qK8maMk]Rigging a sailboat, Snipe pt 2 08 - YouTube[/url]
Right, but shouldn't the mast, in general, be pretty much straight? I can't get the forestay tight unless the mast is rigged waaaaayyyyyy aft.
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post #5 of 8 Old 08-20-2011
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Hope you can see this link: Tuning Your Rig - UK-Halsey's Encyclopedia of Sails

I owned a Lightning 19' sailboat for a few years that had also been rigged for racing. I too was surprised by the aft rake of the mast when I set it up. My Lightning had a similar sounding mast step that was adjustable but I never adjusted it to try to get a more vertical mast.
My understanding is that the aft rake (towards the stern) is a setting that is used to keep the boat from having too much weather helm in higher winds so I left it that way. I never any winds much more then 15 - 20 in that boat and it performed like a thoroughbred except the aft rake meant that the boom was a tad low(er). Even in winds as light as 2 knots the Lightning would still move faster then any keel boat.
My advice is to try it as it is before attempting to correct something that may already be pretty well set up.
Bending the mast aft brings the center of effort aft and closer to the center board.
If you need to tighten the fore stay consider tightening the back stay to do so. Watch out for a low boom and a fast boat.
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post #6 of 8 Old 08-21-2011
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The Lighting rig has a lot more aft rake designed into it than than a Snipe rig . and he won't be able to tighten the backstay as suggested because a Snipe does not have one. it has swept back spreaders and aft mounted shrouds to take the downwind loads

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post #7 of 8 Old 08-22-2011 Thread Starter
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Actually, my the shrouds on my Snipe are mounted just aft of the deck, and I have no backstays of any kind.

I think I will try as sugested and just rake the mast until the forestay is tight, and then sail the dumb thing.

Thanks for all the advice.
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post #8 of 8 Old 07-24-2013
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Re: Snipe Rigging???????

We have a snipe, it is old but works well. The fore stay, if the jib has not been rigged will be loose. Not until you put the jib on and tension that will the shrouds go taught. Our jib is tensioned using a muscle box on the floor of the boat. varying tension on your jib will allow more or less flex in your mast. The fore stay cable will be very loose, and is supposed to be when you tension the jib sail.
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