How to set up lazy jacks - SailNet Community
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post #1 of 19 Old 01-08-2011 Thread Starter
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How to set up lazy jacks

Anybody got a link to a good resource that shows a good way to set up lazy jacks?

I've got an older boat with a roller-reefing boom that I want to convert to traditional reefing, with lazy jacks. I'm looking for a reference that shows how to set up a good system of lazy jacks.

Thanks!

- Bill T.
- Richmond, VA

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post #2 of 19 Old 01-08-2011
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Give this a try

http://www.harken.com/pdf/4059.pdf

My complete refit is taking completely too long!
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post #3 of 19 Old 01-08-2011
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The July/August 2010 issue of "Good Old Boat" has a very good article on making your own lazy jacks and an article on making a "stackpack". Also at Anything Sailing there is a link for complete instructions on building a "stackpack".
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post #4 of 19 Old 01-08-2011
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heres a good reference page for making your own
Tips - Lazy Jacks

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post #5 of 19 Old 01-08-2011
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The rigger I use (Dave Thompson of Eggars Sails) showed me the Harken system SWG posted above and then made up his own kit; nicopressed the cable fittings and sold me the blocks, cleats and line. Most important he explained how to do everything; measuring the placing of the fittings, tapping and threading the holes for mounting the fittings on the mast and boom, setting it up and using it. He saved me a lot of money.

It works very well; It is out of the way when sailing, deploys easily and keeps the main in check. An absolute necessity for single handing.
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post #6 of 19 Old 01-08-2011
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Quote:
Originally Posted by fordo View Post
The rigger I use (Dave Thompson of Eggars Sails) showed me the Harken system SWG posted above and then made up his own kit; nicopressed the cable fittings and sold me the blocks, cleats and line. Most important he explained how to do everything; measuring the placing of the fittings, tapping and threading the holes for mounting the fittings on the mast and boom, setting it up and using it. He saved me a lot of money.

It works very well; It is out of the way when sailing, deploys easily and keeps the main in check. An absolute necessity for single handing.
I was thinking about doing the same this spring. How many hours did it take ya?

My complete refit is taking completely too long!
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post #7 of 19 Old 01-09-2011
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I set up my own retractable lazy jack system for about $100 and 4 hours of work. I am in the process of moving so I do not know where my NAS drive with the pictures is at this time. I will work on writing a quick reference on this later today and post it. It was very easy and one of my favorite low cost projects I have done.
________
thai property in Pattaya

Last edited by nickmerc; 08-18-2011 at 07:18 AM.
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post #8 of 19 Old 01-09-2011
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It took me about six hours working slowly and carefully with the mast already down. Doing it again would take me less than half the time.
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post #9 of 19 Old 01-09-2011
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Instead of dealing with wire and swages, I made my lazy jacks purely from line using Splicing Nuts. I like that the system has some elasticity.
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post #10 of 19 Old 01-10-2011
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Going back to the original thread, I'm not sure how traditional reefing and lazy-jacks are related.
Lazy jacks just control the mass of main sail when lowering it. They are not involved with the reefing process.
With your roller reefing boom, (I've never sailed on a boat with this method of reefing - so I'm speculating a bit) I assume you would need to put in reefing cringles and reinforcing patches on the main sail, as well as reefing nettles in the body of the sail. Also, rams horns at the tack and/or lines from tack and clew down the boom.
All this is doable of course, just needs a little time and effort and a little forethought to get it right.
For instance, both the lazy jack lines and the reefing lines will be on the boom somehow! You will need to prethink this, so they don't interfere with each other.
Have a look at other sailboats to see how they do it. I've got both and it works fine. I suspect the most difficult part is sewing the reefing patches and putting in the cringles.

sam :-)
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