How are mast messenger lines rigged?

Sep 13, 2013
74
Beneteau Oceanis 41 Seattle
I have some messenger lines rigged inside my mast as seen in the picture. The gray line going up is the boom topping lift, next to it are two very thin messenger lines with a different color tracer in each. I don't know where the other end of those lines are. I suppose they could be tied to something heavy that is at the top of the mast, so that when I untie them the other end would come down? Is this typical or would you expect something different? I want too use them to run a new spare halyard. Thanks for any insights.
 

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Joe

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Jun 1, 2004
8,158
Catalina 27 Mission Bay, San Diego
Get out your binoculars and look at the masthead sheaves..... whenever I've removed halyards I've tied the messenger ends to a mast cleat, and the pulpit.
 
Dec 30, 2009
680
jeanneau 38 gin fizz sloop Summer- Keyport Yacht Club, Raritan Bay, NJ, Winter Viking Marina Verplanck, NY
remember to attach a new messenger line when you pull your new halyard thru...Red
 
Nov 8, 2010
11,386
Beneteau First 36.7 & 260 Minneapolis MN & Bayfield WI
I can almost guarantee that the messenger line is tied off at the masthead. It is not designed to save you from going up the mast, just to give you a clean run through it.
 
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Sep 13, 2013
74
Beneteau Oceanis 41 Seattle
Thank you, that is what I feared. Time to go hire a braver soul, that will do it without a spare halyard. Out of curiosity, what is the downside of doubling the messenger line and having both ends tied down below? I suppose running that line wouldn't be reliable without climbing anyway? Trying to figure out if I can do better when I add the replacement messenger line.
 
Jan 22, 2008
8,050
Beneteau 323 Annapolis MD
Did you happen to pull both lines to see if perhaps they are looped back, and are just one piece?
 
Nov 8, 2010
11,386
Beneteau First 36.7 & 260 Minneapolis MN & Bayfield WI
Thank you, that is what I feared. Time to go hire a braver soul, that will do it without a spare halyard. Out of curiosity, what is the downside of doubling the messenger line and having both ends tied down below? I suppose running that line wouldn't be reliable without climbing anyway? Trying to figure out if I can do better when I add the replacement messenger line.
Sure. Those lines were really run by the spar manufacture as a professional courtesy for the rigger. A rigger who will first rig the boat with the mast down. Anyway for internal halyards, there is no way to have it go up and down without the down run coming down the outside of the mast. Not a great idea.

Our First 36.7 came with the 2nd spin halyard un-run. The messenger line was as I described.
 
Jul 7, 2004
8,480
Hunter 30T Cheney, KS
It's topics like this that make we want to put a TopClimber back on my Christmas wishlist