How to rig mainsheet? - SailNet Community
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Old 06-28-2018 Thread Starter
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How to rig mainsheet?

What is the preferred way to rig the mainsheet on the boom in the attached picture? (ignore the stowed mast
at the top of the picture. the boom is just sitting loose approximately where it would be if the mast were up)

It looks similar to Fig 5-4 here, except
that the aft end of the boom has a pully instead of a fixed loop to tie the end of the mainsheet to.

Is the mainsheet is supposed to go from the cam block to the first pulley through the swivel block,
down to the traveler, back up to the aft boom pulley, and then tied off on the horn cleat?
Or is it simpler than that and those horn cleats aren't involved?

Any advice would be appreciated.
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Old 06-28-2018
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Re: How to rig mainsheet?

I'm guessing the block on the aft end of the boom has a becket. Start there, then run through the block @ the center aft in the cockpit. Run the sheet back up to the block with the becket and forward under the boom to the block over the one on the aft end of the centerboard trunk. Then straight down, through that block on the aft end of the centerboard trunk to the cam cleat. All done, no horn cleats or anything else.
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Old 06-28-2018
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Re: How to rig mainsheet?

Capta is right. The block at the end of the boom appears to have a 'becket' (which is an extra loop below the sheave). The mainsheet ties to the becket, then feeds through from the forward side of the sheave of the block on the wire traveler, then up to the block with the becket and feeds through that block from aft. I am not sure what the swivel block is for, but I assume that the sheet passes through that to keep from hanging the crew, and through the next block on the boom. This is where there may be a block missing. The line would then normally run down to to a swivel block on the aft end of the centerboard trunk and through the fairlead on the swivel to the cam cleat. Now then, the loads may be small enough that the swivel block was not necessary in which case the mainsheet would just go through the fairlead to the cam cleat.

Jeff
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Re: How to rig mainsheet?

thousand words or something

I'm not sure why my inline images aren't working...
http://www.shnool.com/images/Capri14...8/100_0189.JPG

Does that help?

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Re: How to rig mainsheet?

Quote:
Originally Posted by SailingUphill View Post
Capri Cockpit
I'm not sure why my inline images aren't working...
http://www.shnool.com/images/Capri14...8/100_0189.JPG

Does that help?
That's what I meant to say!
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Last edited by Jeff_H; 06-28-2018 at 08:49 PM.
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Re: How to rig mainsheet?

So Jeff what'd I screw up?

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Old 06-28-2018 Thread Starter
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Re: How to rig mainsheet?

I'm not sure that it has a becket (after i looked that word up)? (see attached closeup of the aft end of the boom)
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Re: How to rig mainsheet?

Quote:
Originally Posted by naf View Post
I'm not sure that it has a becket (after i looked that word up)? (see attached closeup of the aft end of the boom)
Looking at the photo that is definitely a Becket on the bottom of the block.

Jeff
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Re: How to rig mainsheet?

Quote:
Originally Posted by SailingUphill View Post
So Jeff what'd I screw up?
Nothing. For some reason SailNet seems to require that images to be SailNet to start on a photo hosting service. I copied your picture to my Flickr account and then linked to it.


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Old 06-28-2018 Thread Starter
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Re: How to rig mainsheet?

ok great. ill give it a whirl in the morning.

thanks all.
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