Join Date: Jan 2003
Location: Maine Coast
Thanked 310 Times in 240 Posts
Rep Power: 18
#1 If you can physically lift the bottom chain to the waters surface, and your boat is over about 20 feet, then the bottom chain is far to small & light.
#2 If your mushroom shank & bell are not buried in the mud then the mushroom is not set. You may be in an area that a dead weight mooring would serve you better if the mushroom will not fully set and disappear into the mud.
#3 What your friend is likely experiencing is chain twist due to the lack of a swivel. Without a swivel the chain will twist as the boat moves around it until the twisting causes the chain to get shorter. Let this go long enough and it can un-set the mooring.
I saw your other post and I would suggest you pay a professional to winterize and inspect your mooring. It is money WELL SPENT. When or if your boat breaks free you will have a document showing your mooring was 1- properly sized 2- properly installed 3- Had the right scope 4- was in safe and operable condition.
The first winter you lose your winter stick and you have to pay a diver for three or four hours time to find it, it is darn muddy around here and both the chain and anchor can 100% disappear into the mud once the winter stick is gone. You'll quickly see why paying a pro to winterize is a good deal. I have three moorings and have lost the sticks on two of them in the last four years due to sheet ice. I paid NOTHING to recover my moorings because I paid my mooring guy to do the winterizing.
-Maine Sail / CS-36T
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Last edited by Maine Sail; 09-18-2010 at 09:44 PM.