Re: Osmosis "noise"


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Posted by B.B. on February 13, 2005 at 13:04:10:

In Reply to: Osmosis "noise" posted by Simon Torner on February 13, 2005 at 13:02:08:

Posted by Bengt Blomberg on November 18, 2002 at 10:20:36:
Hello Simon, this can hardly have anything to do with hydrolysis!
Must be a mechanical reason. E.g. some rudder bearings can become a bit more tolerance in hot water than in cold because it contraps or expands more than the axle by temperature differences. Then there might be a clicking noise when the rudder is mowing a little.
Regards Bengt


: Posted by simon turner on November 18, 2002 at 04:08:28:
: on friend's boat, and on very quite night with no ripples on water, distinct random clicking noise could be heard. boat is f/glass construction with antifoul about 6 month's old. hull age is 1970's. when we swaisailed boat up the coast in much cooler water, and on similar calm night no noise could be heard. boat is on swing mooring in about 8-10 ft of water.




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