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Go Back   SailNet Community > On Board > Gear & Maintenance > Chain Stopper or Chain Tensioner?
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Thread: Chain Stopper or Chain Tensioner? Reply to Thread
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Topic Review (Newest First)
03-19-2007 12:43 PM
sailingdog The anchor snubber shouldn't go through the bow roller when you're on all chain...which is going to be pretty rare, given that you only have 30' of it. If the bow roller is properly designed and securely fastened, I don't see a problem with leading the rope anchor rode through it. You will need some decent anti-chafe material for the anchor rode, even going over a bow roller.
03-19-2007 11:44 AM
PBzeer That would depend on how sturdy your roller is and how well fastened to the boat. Also, the outer end of the roller is basically a sharp edge, just waiting to eat into whatever rubs against it. That's why I run mine through the fairlead at the bow. The line needs to run fair from the cleat to the roller as well, or you have another point of chafe. I think it depends a lot on how much anchoring you intend to do, now, and in the future. If you see yourself spending a lot of time on the hook, then I feel it's worth the time, effort and expense to put together the best anchoring system you can. As always though, that is just my take on it. Opinions may (and no doubt will) vary.
03-19-2007 11:31 AM
1970Columbia34 Can't i just add a cleat to the center of the bow and allow the anchor line to go from the cleat - thru the bow roller - to the anchor?
03-19-2007 11:29 AM
PBzeer Yes, you need either a cleat, or a sampson post to make the anchor line fast. Also, remember, you need a fair lead from the cleat to where the anchor goes over the side of the boat, as well as anti-chafing for where it touches. If you follow the dockline in the picture, that is how I anchor with my setup.
03-19-2007 11:22 AM
camaraderie Scott...correct. Most people simply use one of their two bow cleats. Others use a big cleat in the middle of the deck (with substantial backing plate) or a samson post.
03-19-2007 11:06 AM
1970Columbia34 So since we are just using 30' or chain and the rest anchor line we need a cleat to tie the anchorline off to when anchored to hold the loads created by anchoring instead of the windlass correct?

Scott
03-19-2007 11:01 AM
sailingdog The chain stopper is designed to take the some of the load off the windlass, but if you were using an all-chain rode, you really should be using a nylon snubber line—as I don't think a chain stopper is capable of dealing with the loads generated by an anchor rode.

However, I think that 20' is a bit short on the snubber line, since it will probably require you to bring it in and then re-locate the chain hook if you need to let out additional scope for any reason.

The chain tensioner is quite nice for holding an anchor in the roller tightly so that it doesn't rattle, but isn't designed to take much of a load. As a safety measure, I would also secure the anchor to the boat using a piece of 1/4" line or so.

The real use of a chain stopper, the top item pictured in the OP, is when you have to haul up an anchor rode and anchor by hand. It allows you to stop, change your grip on the chain and rest a bit, without having the anchor and rode return to the bottom...
03-19-2007 10:54 AM
PBzeer I use a chain stopper, similar to your top photo, but with just a pin. This keeps the chain tight to the anchor, preventing it rubbing on the deck. Underway in heavy seas, I also use a bolt through the bow roller and anchor. At anchor, if only lying to chain, I use a snubber as others have mentioned.
03-19-2007 10:27 AM
werebeagle Couldn't you do the same thing with just some small line? Run it through a link and tie off with a slip knot for quick release, then run it to a cleat?
03-19-2007 10:27 AM
TrueBlue We rely on a snubber I fashioned from a 20 ft 5/8" 3-strand nylon dock line. After securing the looped end to a bow cleat, a galv chain hook, which slides freely along this line, is clipped to the chain - after pulling slack to the rode. This setup allows multiple snubber length adjustments while securing the set anchor, eliminates strain on our windlass and also enables me to firmly powerset the bottom tackle without damaging the gypsy or windlass mounts.

To secure our 35# CQR while underway, Nauticat provided a custom fabricated device shown in this cropped photo:



Not very clear, but it consists of a stainless turnbuckle welded to a threaded rod. the bottom is shackled to a deck pad-eye, the top has another specilized shackle which attaches through the anchor's shank eye. Works very well, especially with the otherwise problematic, high bulwarks of the boat.
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