Join Date: Nov 2008
Location: Deale, MD
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Re: Polyester sling for chafe control
It seems like what you are describing is a bridle. Every multihull uses one every night when anchored (OK, a few don't). The bridle has chafe gear where it crosses chocks, which is easily renewed since it is not a part of the rode. If chain is used, some sort of chain hook attached the bridle to the chain. If it is a fiber rode, either a rolling hitch or some other sort of gripping hitch. I have never heard of chafe at that point, as the hitch firmly pinches the rode.
What material? Usually nylon for the stretch, since the chain has none. The sailors figure on replacing them if they get worn. However, since it is easy to use heavy chafe gear, that is a slow process. They are generally replaced when their springness is reduced.
IF I were using a fiber rode, the bridle could certainly be something non-stretch. As a prior poster described, reducing movement between the cleat and the chock with a low-stretch line (or moving the cleat closer to the chock) will reduce wear. Too fiddly for most folks, but absolutely correct.
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