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Old 02-17-2015, 03:43 PM   #22
Donsan
Guru
 
City: Satsuma FL
Vessel Name: No Mo Trawla
Vessel Model: Hurricane SS188
Join Date: Jul 2014
Posts: 2,300
Quote:
Originally Posted by RT Firefly View Post
Greetings,
Mr. D. Water that is moving is very much less apt to freeze. Water movement is generated around the hull either by a stream of air bubbles rising to the surface from a compressor via submerged tubing or a submerged waterproof motor with a propeller both mounted under or very near the hull.
We have never actually seen one but I was aware they use them at our marina. After thinking about your reply, I guess they must be used to try to keep ice from building up around the pilings in the harbor but there was so much ice last year, the Marina Associations report said some docks were damaged with an attendant special assessment. All the boats are hauled by around early November. There is about 15-20" of ice on the lake off Lake Michigan. I will Google to see if I can find a bubbler used for a boat. Since we are only there for the summer, we never saw the bubblers at our marina in action but we are told we can't fish off our slips in the harbor because it might damage the bubblers.

Is the OP in danger of having his hull crushed by ice?
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