After replacing a propeller, torsional vibration measurements, shaft stress measurements, as well structure vibration along the shaft line after the propeller replacement did not indicate any concerning stresses or exceedance of vibration levels at any of the main engine’s rotational speeds.
The shipyard did a great job, but it’s crucial to always conduct such measurements following any major propulsion line changes. Proper procedures can prevent shaft failure during critical situations. Skipping this step can risk major breakdowns, leading to costly repairs and downtime.
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