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  #1  
Old 08-03-2012
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rope & wire halyards vs all rope halyards

I'm replacing the halyards on a Columbia 9.6 meter . The ones I'm replacing are rope & wire . If I replace them with all rope & eliminate the wire , will the halyard track through the wheels in the rigging ok . Is this even feasible ???
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Old 08-03-2012
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Re: rope & wire halyards vs all rope halyards

You usually need to replace the masthead sheave (wheel). Even if the groove is wide enough to accept the rope, the groove often so chewed and rough from having the wire run over it that your new rope halyard will get eaten up in no time.
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Lightbulb Re: rope & wire halyards vs all rope halyards

When we first started replacing the old wire, installed in 1988, the sheaves were indeed often a bit narrow for passing the fatter line. i.e. if you had wire spliced to 7/16 or 1/2" line tails, that sheave at the top of the mast might have been too narrow for new line.

Later, much stronger line came onto the market at more affordable prices.

For instance, our 34 footer, delivered with wire-to-rope halyards, has masthead sheaves that will pass 3/8" line with some friction, but work perfect with 5/16".
And since the 5/16" will hold fine in the original clutches and the housetop ST winches, the perfect solution was and is some T-900 hi tech line.

One other caveat -- after many decades of abrasion from the wire, your masthead might need to have the sheaves removed and turned (if alum.) or just replaced if the axles and sheaves are about worn out. That's a separate but needed part of long-term maintenance on any boat.

After getting bloodied on meat hooks on old wire, you'll love the changeover to all-line. After all, the only reason that wire was ever used was to get around the stretch in the older line materials.

Cheers.
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Re: rope & wire halyards vs all rope halyards

I would go with all rope as well. Modern lines are stronger, lighter, and have less stretch than wire. Right now my favorite for price vs performance is tapered dyneema/spectra lines, with the core just where the line hits the clutch and winch.

If done right, the prices should run about the same as low tech line, but with much greater performance.
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Old 08-03-2012
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Re: rope & wire halyards vs all rope halyards

With that new imput , I'm inclined to go with some modern low stretch 7/16" size line . I like a little something bigger then I probably need that I can grab & pull better.
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Re: rope & wire halyards vs all rope halyards

Quote:
Originally Posted by kjango View Post
With that new imput , I'm inclined to go with some modern low stretch 7/16" size line . I like a little something bigger then I probably need that I can grab & pull better.
Shorter boat, lower rig, and looks like less sail area than us. I cannot imagine needing line that large. Your boat, your choice, though. Even 3/8" would be large for your boat, IMHO. Since line prices go up by diameter, there will be a significant cost difference going from 5/16 to 7/16......

Either way, you will like having all-rope halyards.

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Old 08-03-2012
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Re: rope & wire halyards vs all rope halyards

My boat, a 33-Morgan O.I., had rope/wire combination halyards that were older than some forum members. They were horrible, had splinters of wire sticking out that would rip your hands to shreds. I replaced them with standard, 1/2-inch-braided rope halyards and did not have to replace the sheaves.The sheaves were nothing special and everything worked out just fine. So, before spending a chunk of change on new sheaves, you may want to inspect those that are already installed - you may be pleasantly surprised.

Good Luck,

Gary
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Re: rope & wire halyards vs all rope halyards

If you want to go that big you are probably looking at having to change a lot of equipment first. Few if any of your sheaves will fit line that big, clutches, self tailing winches, fair leads, ect. Will all need to be checked to see if they can handle line that size. Most likely not.

Secondly there is no reason to... A 7/16 dyneema line will have a breaking strength of Almost 22,000lbs.

Smaller line runs easier, and has less friction than oversized lines.


Again, tapered halyards are the way to go. You get the thicker size where you need it for ease of use, high strength, and not much more than cheap polyester stuff.
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Old 08-04-2012
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Re: rope & wire halyards vs all rope halyards

Thanks for all the help guys....guess I'll be having a look at the mast sheeves .
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Old 08-04-2012
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Re: rope & wire halyards vs all rope halyards

Just one more thing to think about...
Are the sheaves of large enough diameter for the hi-tec line?
This stuff doesn't like to be bent through a tight radius.
Might be worth having a word with the manufacturer to find out what the minimum sheeve diameter is for the size of rope you're using.
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