A weight of 350 tons is loaded on your vessel 85 feet forward of the tipping center. The vessel's MT1 is 1150 foot-tons. What is the total change of trim?
• Moment to Trim 1 Inch (MT1) and how it relates weight, distance, and trim • How trimming moment is calculated: Weight × Distance from tipping (LCF) or center of flotation • Unit conversions between feet and inches when working with MT1
• What is the trimming moment created by this weight when it is loaded 85 feet from the tipping center? • Once you know the trimming moment, how do you use MT1 to find the change of trim in inches? • After you get the total trim in inches, does that number already reflect total trim (bow plus stern), or do you need to divide it between ends?
• Be sure you are using consistent units (foot-tons and feet vs inches) throughout the calculation • Confirm you understand that the given MT1 (1150 ft-tons) represents the moment needed to change the trim by 1 inch • Double-check whether the distance (85 ft) is measured from the tipping center (LCF) and how that affects the trimming moment calculation
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