Prop or more serious?

[thornbackflound]

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Took the Earl out sat ,with yet another second hand outboard ,prop right jaggered up,so going at 6 odd knotts opened her up ,get acceleration,start to pick up, then horrid vibration,i throttled down,me thinks not just the prop,more like gears,oh dear what have i brought now?would the prop be the reason for this?can t believe its just a roughed up prop?no expert mind, just something not right?
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[Peter_C]

If the prop is damaged, it could easily cause a nasty vibration. I have seen an inboard with a slightly bent 3 blade cause the boat to shake badly at anything over 2,000 rpm. Get a good prop and test it again.

[Poly]

post pictures of the prop - people might be able to guess then. However if the prop is bad enough this will cause the symptoms you described. If it is run like that for long the vibration will then start damaging stuff!