Trim Moment - MCT1cm Usage

Change of trim from a longitudinal weight shift - Δtrim (cm) = w·d / MCT1cm.

TrimMCT1cmLoading

Weight shiftedtLongitudinal distancemMCT1cmt·m/cm

Change of trim: 18.2cm

Change of trim: 0.182m

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\Delta_{trim} = \frac{w \cdot d}{MCT1cm}

Symbol	Meaning	Unit
$w$	Weight shifted	t
$d$	Longitudinal distance	m
$MCT1cm$	Moment to change trim 1 cm	t·m/cm

Source: Kemp & Young - Ship Stability

In short

Change of trim from a longitudinal weight shift - \u0394trim (cm) = w\u00b7d / MCT1cm.

Learn the theory Intact stability