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post #2 of Old 04-24-2010
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* Dirty bottom. it would take over 1/4" to cause that.
* Dirty prop (worse). Would vibrate a lot, but you might not notice without a baseline.
* Engine RPMs. Did it get to full revs?
* Waterline. Is she lower in the water than other 105mcs?

The first is most likely, and it could be that bad. If it is, require that it be cleaned for the survey.

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