Thanks, guys. My sheaves appear to be aluminum with a fairly deep slot just big enough for the wire. I think they would eat rope up pretty quickly. A change-out will be one of my future projects, since the system has no wear. I guess we can assume that wire was used to cut down windage on these race-bred boats, or perhaps for esthetics, but the 3-strand rope halyards on my Nor'Sea 27 have lasted 30 years, and are going strong. It is amazing that synthetic materials can last that long in tropical sun. Tom Jenkins M17 Scintilla ----- Original Message ----- From: "Gordon Gilbert" <gordon@financialwriting.net> To: "For and about Montgomery Sailboats" <montgomery_boats@mailman.xmission.com> Sent: Tuesday, May 12, 2009 1:20 PM Subject: Re: M_Boats: Halyard line
Hi, Tom: Although my '83 model apparently came with wire-to-rope halyards, the sheaves are just wide enough to accept the 5/16" line. So I didn't have to switch. After one season, the new halyards look great, with no fraying.
I think I recall Bob Eeg posting a while back, saying he had some extra rope halyard sheaves available. He might be worth a try. Otherwise, you might give Jeff at Rigging Only a call.
Gordon M-17 "Sapphire"
On May 12, 2009, at 2:55 PM, Tom Jenkins wrote:
Gordon,
My halyard sheaves are definitely designed for wire only; was it difficult to find replacement sheaves to accommodate rope?
Tom Jenkins 2004 M17 Scintilla
----- Original Message ----- From: "Gordon Gilbert" <gordon@financialwriting.net> To: "For and about Montgomery Sailboats" <montgomery_boats@mailman.xmission.com> Sent: Monday, May 11, 2009 5:51 PM Subject: Re: M_Boats: Halyard line
Hi, Andrei: I replaced my wire-to-rope halyards last year with 5/16 Stay-Set, and the all-rope halyards have worked out well. I ordered 40' of the line for each halyard from Rigging Only (Jeff there is very helpful), a length that is long enough for leading them aft to the cockpit eventually. Rigging Only spliced a high-quality Wichard headboard pin shackle on the main halyard and a beefy Wichard snap shackle on the jib halyard (make sure you get strong, high-quality shackles). It all works great.
Gordon
On May 10, 2009, at 3:34 PM, Andrei Caldararu wrote:
Hello all,
I am looking to replace my old wire-to-rope halyards with all-rope ones. The ones I would be buying would be from New England Ropes, Sta- Set, and I would need some advice on how thick a line I should go with. Would 1/4 be enough, or 5/16, or do I need thicker line? These lines have tensile strengths of 2000lbs (1/4) and 3000lbs (5/16).
Does anyone know what the newer boats come with? Also, has anyone measured their masts (I assume I need about twice the length of the mast for the length of the halyard).
Thanks,
Andrei.
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