Lagoon 380 User Manual - page 12
of
110
RIGHTING MOMENT
10
NAVIGATION
LAGOON 380
Illustration showing the difference between
the righting moments of a single-hull vessel
and a catamaran of 10m length.
d: distance between centre of buoyancy and centre of
gravity.
RMmax: weight of vessel x d
(RMmax: maximum righting moment)
R
RM
Mm
maaxx ssiin
ng
gllee-h
hu
ullll
: 10 tonnes x 0.5 meters
: 5
5 ttoon
nn
neess..m
meetteerrss
R
RM
Mm
maaxx ccaattaam
maarraan
n
: 10 tonnes x 3 meters
: 3
30
0 ttoon
nn
neess..m
meetteerrss
CATAMARAN
Weight of vessel: 10 tonnes
SINGLE-HULL
Weight of vessel: 10 tonnes
D = 0.5 meters
D = 3 meters