The same forces that right a kayak
on flat water contributes to its rolling motion on the
face of a wave.
Reading the Stability Curves
The steeper the slope of the curve
as it rises from 0°, the higher the initial stability.
Beyond the maximum righting moment at the peak of the
curve, the kayak enters an unstable region of decreasing
stability which does little to slow the rolling of the
kayak to the point of imminent capsize. Raising the
center of gravity decreases the stability; lowering
it increases stability.
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