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Old 02-20-2013, 08:53 PM   #13
Northern Spy
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City: Powell River, BC
Country: Canada
Vessel Name: Northern Spy
Vessel Model: Nordic Tug 26
Join Date: Feb 2012
Posts: 2,774
Originally Posted by markpierce View Post
Isn't the normal sound of an electric thruster to be like a "smooth" rock crusher?
No. That is cavitation. Could be due to an unradiused tunnel to hull joint.
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