Westsail Owners Alliance - Thread: "Mast Slapping Noise"
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Thread: "Mast Slapping Noise"

12,268 posts on 2,444 threads   •   From Mar 07, 2004 - Jan 08, 2012


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Mast Slapping Noise

Henry & Nita Prokop


I am experiencing a slapping noise coming from inside the mast. It appears that the plastic conduit has come loose in some places. It looks like it is held in place by rivets spaced at 3 foot intervals. Is there an easy fix without dropping the mast and redoing the conduit?


Bud Taplin

Not really. Evidently the plastic tube that holds the wiring has broken loose from the rivets due to the age of the plastic tubing. You would have to replace the tubing and rivet it in place for a proper fix.
The other possibility is to be able to shove pieces of foam rubber up into the mast to push the tube against the inside of the mast to keep it from rattling.
I do have a drawing and procedure that the mast builders used when they first installed the tubing. You could possibily try to insert more rivets between the existing ones, but they may also break out due to the age of the tubing.
In any case, the mast would have to be removed from the boat to do a proper job. New wiring should be installed at the same time.

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