XCS Excess15 User Manual page 34

32
RIGHTING momENT
D: 3 metres
CATAMARAN
Weight of the boat: 10 tons
MONOHULL
Weight of the boat: 10 tons
D: 0.5 meter
Illustration of the difference of the righting moment
existing between a 10 m monohull
and catamaran.
d: distance between centre of the bottom and centre of
gravity.
RMmax: Weight of the boat x d
(RMmax: moment of maximum uprighting)
RMmax monohull : 10 tons x 0.5 meter
: 5 tons.meters
RMmax catamaran : 10 tons x 3 meters
: 30 tons.meters