MIDSHIPS STATION
CENTRE OF BUOYANCY SHIFTS AFT
CENTRE OF BUOYANCY SHIFTS FWD.
MOMENT TO TRIM 1"
=2900 FT.LB.
DISPLACEMENT CHANGE
IN SALT WATER IS
APPROXIMATELY
1,300 LB. PER INCH OF IMMERSION
DI
SP
LA
CE
M
EN
T
/ W
L
W
ET
TE
D
SU
RF
AC
E
FLOATATION LINE ABOVE DWL
FLOATATION LINE BELOW DWL
RIGHTING MOMENT (TRANSVERSE STABILITY)
= VESSEL WEIGHT X RIGHTING ARM (8.5ft.)
ISSUED JUNE 10, 2008
ANTARES 44 CALCULATIONS
HYDROSTATIC CURVES
CA-04-05
TC
WETTED SURFACE AREA
APPROXIMATES HULL
RESISTANCE AT LOWER
SPEEDS
RIGHTING MOMENT, FT/LB. X 1000
160
170
150
180
210
190
200
WETTED SURFACE AREA SQ. FT.
600
700
400
FOR CE OCEAN CLASS "A"
CERTIFICATION CALCULATIONS:
mMOC = MINIMUM OPERATIONAL CONDITION
mLDC = LOADED DISLACEMENT CONDITION
-4"
-6"
6"
-2"
4"
2"
SALT WATER DISPLACEMENT
(64 LB./CU.FT.)
20,000
26,000
16,000
22,000
32,000
24,000
18,000
28,000
30,000
14,000
mMOC
mLDC
CENT
RE O
F B
UO
YAN
CY
RIG
HTI
NG
MO
ME
NT
DESIGN WATER LINE