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Old 16-03-2018, 15:57   #31
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Re: Stack pack or sail cover?

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Originally Posted by JPA Cate View Post

Lots of people put the top to their lazy jacks at the mast. We rig ours out on the second spreaders, about 2/3 the way to the tips, to make a more open "mouth" for the bag.

Ann
You obviously have avoided this, but I was warned by a rigger that if the lazy jacks are attached to spreaders too far out there is a possibility of the lazy jacks pulling the spreader out of position (my words) with disastrous consequences.This could happen when the boom is way out.
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Old 16-03-2018, 16:16   #32
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Re: Stack pack or sail cover?

I just remember a problem I had with my MP.

While reefing, a corner of the fabric got pulled, unseen, into the reefing sheave at the end of the boom, and caused more than a little chaos. Ultimately, some damage.

There's just a lot of stuff flapping around up there. But there are positives about Mackpacks (I'll use that name). Depending on your preferences, you just pick your own poison.
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Old 16-03-2018, 17:13   #33
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Re: Stack pack or sail cover?

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Originally Posted by gaucho View Post
I have the perfect solution:

Mackpack

.
This gets my vote too.
Best of both worlds.
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Old 16-03-2018, 20:55   #34
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Re: Stack pack or sail cover?

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Love the stackpacks on our Freedom 39 Pilothouse Schooner. Can drop sail in one big whoosh at nearly any point of sail and zip it up in seconds. Hoisting does require head to wind for a few seconds to get the first set of battens past the lazy jacks, then you can finish hoisting the rest of the way on any point.
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Old 17-03-2018, 02:05   #35
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Re: Stack pack or sail cover?

I'd recommend a lazy bag that acts as a stack pack when raising /lowering the sail, but then rolls away so that it doesn't interview with sailing.

The system has a dedicated single halyard that can be hoisted to make the lazy jacks taught and to lift up the sides of the lazy bag to create a stack pack. Once you hoist the sail, you ease off that halyard to slacken the lazy jacks and to allow the sides of the lazy bag to flop down. You then roll up and cinch the sides of the lazy bag so they're out of the way. See the attached picture (if the attachment worked).

When you're ready to lower the sail, you unclip the cinches and use the halyard to taught the lazy jacks and lift up the sides of the lazy bag, creating a stack pack.

The lazy bag zips up on the top. Once you do that, you can ease off the halyard slightly to "relax" the bag and lower the stack over the boom. This is useful to reduce windage.
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Old 17-03-2018, 05:45   #36
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Re: Stack pack or sail cover?

Now, that does look nice.

Sort of how I hoped I could handle the Mackpack, but the two halves of a Mackpack are attached at the top at the back end, so couldn't be rolled up that way. And you would need to detach the top at the mast.

Might be a little simpler than dealing with a sail cover, but not a lot.
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