Trim from Weight Shift

Change of trim (cm) when a weight is shifted longitudinally. Uses MCT1cm to convert the longitudinal moment to a trim change.

StabilityTrim

Inputs

Weight being shiftedtLongitudinal shift dmPositive aft-ward.MCT1cmt·m / cm

Change of trim

32.0cm

By the stern

Formula, assumptions, and limits

Linear up to modest trim changes; for large operations use the loading computer to re-compute MCT1cm at the new draft. Apportion trim between bow and stern using the LCF ratio to get per-perpendicular draft changes.