Jib sheet chafing coaming - SailNet Community

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  #1  
Old 11-15-2009
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Jib sheet chafing coaming

I'm having a problem with the jib sheet on my new (to me) boat rubbing the outboard side of the cockpit coaming. It has clearly been a problem for some time because the glecoat in the area appears to have been patched in the past and is wearing through again. It only occurs on the port side because the sheet wraps inboard on the winch whereas the outboard wrap on the starboard side seems to give it enough clearance. It's hard to tell from the pictures but the top of the coaming is about 6-8" above the deck. Anyone have any ideas as to how I might resolve this issue? Thanks!


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Old 11-15-2009
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We had the same problem... and it was worse the further forward the jib lead position, as I suspect yours is.

We have a perforated toe rail which makes this easier, we put a snatch block further aft to give a constant lead that cleared the coaming. In the picture you can just see it on deck at the end of the red kayak. You'll have a harder time doing this without adding a new attachment point. Otherwise you can buy chafing strips to add to the coaming edge (also sold/installed to prevent dock lines from chafing the edge of the deck)

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Old 11-15-2009
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Quickest fix would be to add a shackle or other extender to the jib lead block so that the line would clear the coaming at all points. Putting the winch on a raised pad would be a much bigger hassle. Another alternative would be to install a metal chafe guard on the edge of the coaming. You could put it on both sides, P&S, so it looked balanced, even if you don't actually need it on the starboard side.
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Old 11-15-2009
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Metal chafe guards would protect the coaming. A shackle on the jib block might be helpful in raising the sheet away from the coaming but might not be sufficient the further forward you move the jib block.

IMHO, best alternative is to install actual turning blocks, sternward of the winch, which would then provide consistent angle of approach for jib sheet to the winch, regardless of the position of your jib block.
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Old 11-15-2009
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To bad they don't make winches that turn the opposite direction for the port side. We had the same problem. I thought about adding an angled pad under the winch, but ran the sheet aft of the winch through a block and then back forward to the winch. That took care of the problem for us.
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Old 11-15-2009
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Why not add a turning block to the deck just outboard of the winch, and use that to give the jib sheets a proper fairlead into the winch, regardless of the position of the jib fairlead block???

While a rub strake would help, a turning block mounted outboard of where the aft locker hinge in the second photo, especially if it was raised a bit, would be a much better solution.

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