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Reef line Lengths?

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Martin&Rene View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Martin&Rene Quote  Post ReplyReply Direct Link To This Post Topic: Reef line Lengths?
    Posted: 22 February 2021 at 14:51
If you have just the simple single line reefing system, then it really is beneficial to have pulleys at all the turning points.  If you do not have them, then this link shows how I retrofitted  them on my first main. 


It is also good to follow Samuel's advice of putting marks on the mast to indicate reefed sail positions, as it is much easier to pull the clew into the right place when you are reefing against a locked off halyard.   
Martin&Rene Hanse 341 Dipper Wheel steering, 3 cabin layout, normally based in Scotland
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mattplowman View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mattplowman Quote  Post ReplyReply Direct Link To This Post Posted: 19 February 2021 at 19:32
An update, on closer inspection I have a Z Diffusion boom and the reef line replacement should be straightforward, no need to have boom off. Thanks all for the input 
H355 , #47
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Martin&Rene View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Martin&Rene Quote  Post ReplyReply Direct Link To This Post Posted: 09 February 2021 at 18:25
Look at this old thread.


In it you will see 2 alternative diagrams for how a reefing system is set up with blocks in the boom.  The aim of using either of those 2 systems is to reduce friction in the system, particularly as in the early days it was not normal to have any blocks on the sails, just cringles.

Ken's boat, like my 341 is set up so there is only one line running all the way through for both the luff and leech cringles.

If you do have blocks in the boom, the downside is it is not easy to replace lines.  If you are lucky, you can join the old  and new lines together and pull them through.  Otherwise, I believe you have to take one of the boom fittings off, probably the aft end.
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Ken Haas View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ken Haas Quote  Post ReplyReply Direct Link To This Post Posted: 09 February 2021 at 17:25
We may be talking about different systems.  Let me shoot some photos and PM to you later this week.  

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mattplowman View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mattplowman Quote  Post ReplyReply Direct Link To This Post Posted: 09 February 2021 at 17:19
Thanks Ken, so no need to remove the boom to gain access to the internal block? I was under the impression on single line systems that one end of the reef line was dead ended at an internal boom block? 

Matt 
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Ken Haas View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ken Haas Quote  Post ReplyReply Direct Link To This Post Posted: 09 February 2021 at 17:10
The following is how the reef is led on my boat.  On my Seldon boom the #1 reef line attaches toward the aft end of the boom with a knot tied to the aft slide on the underside of the boom (there are two slides, one for each reef).  Be sure to do a full wrap around the boom prior to tying your knot to spread the load. Then lead it trough the lower grommet in the leech, through the internal block at the aft end of the boom and forward to the internal boom block at goose neck.  At this point you lead the line up to the first reef point along the luff of the main.  Hopefully you have a block installed at this point (if not, simply lead the line through the grommet). Lead the line through the block and back down to the fixed block at the mast step, then back to your cockpit as appropriate. The #2 reef will be self-explanatory once you master the #1.  

Hopefully this helps.  If you need photos for explanation just PM me and I will shot some or a video later this week.

Ken
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mattplowman View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mattplowman Quote  Post ReplyReply Direct Link To This Post Posted: 09 February 2021 at 16:53
thank you , any useful tips to make the job easier in terms of the boom system for the single line reefing? 
H355 , #47
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Ken Haas View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ken Haas Quote  Post ReplyReply Direct Link To This Post Posted: 09 February 2021 at 15:08
I replaced all of my running rigging on my 341 last year and ran 24 meters for #1 reef and 30 meters for #2.
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mattplowman View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mattplowman Quote  Post ReplyReply Direct Link To This Post Posted: 09 February 2021 at 00:03
Thank you all for your responses , much appreciated.
H355 , #47
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S&J View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote S&J Quote  Post ReplyReply Direct Link To This Post Posted: 23 January 2021 at 11:43
I can't help with the lengths required but thought I would point out that each reef actually has two separate lines on the Selden rig.
If you are looking for off-cuts this might help as you don't need a single  longer length of line.
Selden have some good documents on how the reef lines are set up.


Edited by S&J - 23 January 2021 at 11:43
H458 #159 Primal Mediterranean cruising
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