Rapping propeller shaft

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Jun 27, 2005
1
- - Bayfield, WI
My propeller shaft makes a rapping noise when I motor over 4.5 knots. It sounds like the shaft is hitting against medal. If I apply a slight upward pressure on the hose just aft of the packing joint the rapping will quit. It started when I bumped a rock on the bottom as I was turning out. I did not hit hard but afterward the rapping started. I had the shaft aligned and repacked. Anyone got any ideas what it may be and how to fix it. Don
 
Jun 3, 2004
80
- - Guilford, CT
Haul it.

Since you've done everything you can do on the inside(motor mounts?)Sounds like the next step is to haul it, pull the shaft and have it checked. Could be the Cutlass Bearing or maybe the strut is loose. Whatever it is it sounds like it needs prompt attention before it gets worse and cost more $$$$!
 
D

Don Johnson

Thank you Richard

I had the bearing and the strut checked before launch this spring. They checked out ok. I think either the shaft is bent or the motor is still out of alignment. Thank you for your help Don
 
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