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Old 14-06-2011, 04:54   #1
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Mainsail Halyard Chafe

Hi everyone,

whenever the mainsail flaps a lot from one side to the other, the halyard chafes a lot and it will eat through the halyard in minutes. I have changed the aluminium sheaves to plastic sheaves, which did not help. I believe that the halyard rubs across the sheaves edge. I am thinking about fitting a restrainer, which will hold the halyard in line with the sheave, like

Schaefer Marine Hardware - Detail or
Schaefer Marine Hardware - Detail

I am worrying about the stress of the halyard on the restrainer, especially as the halyard will try to move sideways.

Has anyone solved this issues before?

Thanks

Simon
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Old 14-06-2011, 06:31   #2
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Re: Mainsail halyard chafe

This is the first time I've ever heard of this problem. Are you sure it's the sheaves?
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Old 14-06-2011, 19:14   #3
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Re: Mainsail halyard chafe

You can get horrible chafe if the halyard diameter is too large for the sheave.
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