[Public-List] Rope main halyard?

[Bill Wallace]

I'm sure 10mm would also work.  The thing for me is that I did it without unstepping the mast.  If the mast were down or I were at the top of the mast, I could have reeved a bigger line, but getting the splice through was actually the hard bit.  I really didn't want to climb the mast or drop it so I pulled a 1/4 line through replacing the wire, then spliced that as the core in the first 6" of the replacement halyard and smooth the transition with tape to ensure it passed the block.  A bit tight and fiddly but I did manage it that way.

Bill.



On Monday, October 28, 2013 4:12:47 PM, Stephen Gwyn <stephen.gwyn at nrc-cnrc.gc.ca> wrote:
 


I have 10mm Marlowbraid (polyester) halyards. They're a little
bigger than 3/8"=9.5mm. They are ever so slightly snug in the
1/2" slots and over the sheaves. I have internal halyards. I have
had to replace them several times. They kept getting frayed just
behind the shackle. It turns out that in the past, wire halyards
had chewed various sharp nicks into the masthead fitting.  I
replaced the aluminum plate between the sheaves and carefully
filed down the sharp parts of the masthead fitting. No fraying
now.

Going back to the original question, it's not obvious on how
(on my setup at least), how a rope halyard could jump a sheave.

SG

-- 
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Stephen Gwyn                       | Tel: 1-250-363-3136
Canadian Astronomy Data Centre     | Fax: 1-250-363-0045
Herzberg Institute of Astrophysics | Cell: 1-250-885-6969
5071 West Saanich Road             | E-mail: Stephen.Gwyn at nrc-cnrc.gc.ca
Victoria, BC, V9E 2E7, Canada      | http://astrowww.phys.uvic.ca/~gwyn/
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