Dockhead
Well-Known Member
Well in nearly 40 years I've never had one fall off the chain once it was set up. It might happen occasionally as the snubber is first being deployed but not if a light tension is kept on the line until the weight of the chain loop takes over. I have seen boats with too little slack chain let out when the snubber is set, in that case yes heavy pitching could dislodge it but that is operator error in my book.
Keep your rolling hitch method by all means but do keep a sharp knife handy, because one day (or night) you may need it in a hurry. The combination of a wet line and hefty snatch loads should pull that knot nice and tight.
To each his own, of course. For what it's worth, the rolling hitch is not a knot which binds up at all under load (one of that ingenious knot's many glories), so I've never had any problem undoing a snubber in decades of use and never heard of such a case. That's because the locking turn of the knot is above the direction of pull, and so is not directly loaded. But in any case, I do always have a knife on my belt, as all good mariners should . . . the snubber is not the only line you might need to cut in an emergency . . . there's also the bitter end, in case you have to ditch the anchor in a hurry. For example.
Nobody has mentioned chain-stoppers -- are these not used in the UK? We always had them on our boats, to take all load off the windlass and to back up the snubber. The most recent boat, acquired in the UK, inexplicably does not have one.
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