Hey all, just bought a new old boat
(1995 Contest 46) and I’m digging into the many projects at hand. On the sea trial we noted that there was some sea water
leakage into the boat
at the rudder
post when we were squatting the stern down while running at WOT (with our way overkill 135hp). On further inspection
, there is a threaded plastic collar that encompasses the shaft at the top of the rudder
tube. This unit can be tightened down, which I have done. I have not taken the boat back out to test whether tightening stopped the leak yet.
My question is: what does this collar do? Is this essentially a packing gland
? Is it possible that there is a flax ring filled stuffing box below the collar? If so, is there a limit to how to tight the collar should be (given that it’s a slow moving shaft, unlike a prop shaft)?
Here are pictures of a spare collar that I found laying around. Hopefully someone more knowledgeable than me will be able to immediately identify its function, but if not I can pull apart the panels
behind the aft berth to get pics of the entire rudder assembly.
Thank you cruisersforum hive mind!