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Old 10-11-2012, 07:27 PM   #1
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Whine Cellar

I hear a high pitch whine in my aft cabin that seems to be from my starboard shaft. It goes away at certain RPM's. Could this be from a cutlass bearing asking for replacement?
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Old 10-11-2012, 07:48 PM   #2
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No idea on the tech side, but have have you tried pouring a little full bodied red over it? BruceK
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Old 10-11-2012, 08:39 PM   #3
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A whine might be a "singing" propeller. One cure is to dull the trailing edges of the blades down s bit with a file. The singing is a high-frequency vibration caused, I believe. by the water flow coming off the prop.

Transmissions can whine, too, and it's not always the sign of a problem.
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Old 10-11-2012, 09:08 PM   #4
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Transmissions can whine, too, and it's not always the sign of a problem.
I have an SUV with 250,000 miles on it and it has had a whine in the differential all the while. It all depends on how the gears mesh and a whine is not always an indicator of trouble to come.
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Old 10-12-2012, 10:56 AM   #5
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Thanks for the info on prop singing. Searching for that in the forum has brought up lots of hits.
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Old 10-12-2012, 12:46 PM   #6
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When MY Twin Disc 506 was low on oil it wined.

Sd
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Old 10-12-2012, 04:02 PM   #7
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We are getting a whine on the port side in the shaft packing / transmission area when we shift into neutral. It stops whining when the prop stops spinning. I sure hope it is nothing but we are having it looked at next week.
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Old 10-12-2012, 04:08 PM   #8
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So you have a port whine?
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Old 10-12-2012, 04:09 PM   #9
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So you have a port whine?
and a fine one at that!
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Old 10-17-2012, 12:21 AM   #10
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Doesn't that make it a phine whine?
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