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LPG 1 (Dis.33089t) , v10-3D
4.2.Squat
Shallow water
Squat |
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Bow |
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1 |
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Stern |
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0.9 |
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0.8 |
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0.7 |
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0.6 |
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0.5 |
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0.4 |
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0.3 |
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0.2 |
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0.1 |
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0 |
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Speed, knots |
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2 |
4 |
6 |
8 |
10 |
12 |
14 |
Water depth to draft ratio 1.2
The information contained herein is proprietary to Transas Marine (UK) Ltd and Navis Co. and shall not be duplicated, used, or disclosed in whole or part for any functional other than to evaluate this quotation.
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LPG 1 (Dis.33089t) , v10-3D
5.MANOEUVRING CHARACTERISTICS IN WIND
5.1.Wind lateral forces and yaw moments (estimated)
Wind |
Force, t |
Moment, |
speed |
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tm |
10 knots |
0.0 |
0.0 |
20 knots |
0.0 |
0.0 |
30 knots |
0.0 |
0.0 |
Wind |
Force, t |
Moment, |
speed |
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tm |
10 knots |
0.7 |
-5.9 |
20 knots |
2.9 |
-23.6 |
30 knots |
6.6 |
-53.1 |
Wind |
Force, t |
Moment, |
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speed |
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tm |
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10 knots |
1.1 |
-17.0 |
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20 knots |
4.5 |
-67.9 |
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30 knots |
10.1 |
-152.7 |
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Wind |
Force, t |
Moment, |
speed |
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tm |
10 knots |
-0.7 |
5.9 |
20 knots |
-2.9 |
23.6 |
30 knots |
-6.6 |
53.1 |
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Wind |
Force, t |
Moment, |
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speed |
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tm |
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10 knots |
-1.1 |
17.0 |
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20 knots |
-4.5 |
67.9 |
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30 knots |
-10.1 |
152.7 |
Wind |
Force, t |
Moment, |
speed |
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tm |
10 knots |
0.7 |
-46.0 |
20 knots |
2.9 |
-183.9 |
30 knots |
6.6 |
-413.8 |
Wind |
Force, t |
Moment, |
speed |
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tm |
10 knots |
-0.7 |
46.0 |
20 knots |
-2.9 |
183.9 |
30 knots |
-6.6 |
413.8 |
Wind |
Force, t |
Moment, |
speed |
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tm |
10 knots |
0.0 |
-0.0 |
20 knots |
0.0 |
-0.0 |
30 knots |
0.0 |
-0.0 |
The information contained herein is proprietary to Transas Marine (UK) Ltd and Navis Co. and shall not be duplicated, used, or disclosed in whole or part for any functional other than to evaluate this quotation.
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LPG 1 (Dis.33089t) , v10-3D |
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5.2.Course keeping limitation at Deep water |
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Relative wind |
Rudder amount required to maintain course at following wind |
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direction, deg |
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speeds, deg; Full Ahead |
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15 knots |
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30 knots |
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45 knots |
60 knots |
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0 |
1.4 |
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1.5 |
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1.5 |
1.6 |
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45 |
1.1 |
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0.3 |
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-1.0 |
-2.8 |
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90 |
1.0 |
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-0.1 |
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-2.0 |
-4.7 |
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135 |
1.2 |
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0.1 |
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-1.9 |
-4.7 |
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180 |
1.4 |
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1.4 |
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1.4 |
1.3 |
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225 |
1.6 |
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2.7 |
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4.6 |
7.5 |
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270 |
1.8 |
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3.0 |
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4.9 |
7.8 |
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315 |
1.8 |
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2.7 |
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4.1 |
6.1 |
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5.3.Drifting under wind influence |
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Drifting behaviour under wind influence (Stop) |
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Wind speed, knots |
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Direction of drift, deg |
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Rate of drift, knots |
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10 |
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177 |
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0.20 |
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20 |
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173 |
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0.40 |
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30 |
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171 |
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0.60 |
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40 |
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169 |
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0.80 |
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50 |
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168 |
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1.01 |
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60 |
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167 |
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1.22 |
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Rate of drift (ship speed)
Wind
Direction of drift
Drifting under wind influence
In Table 5.2 steady direction and rate of ship drift under wind influence are presented.
Direction of drift is determined relativity wind direction.
The information contained herein is proprietary to Transas Marine (UK) Ltd and Navis Co. and shall not be duplicated, used, or disclosed in whole or part for any functional other than to evaluate this quotation.
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LPG 1 (Dis.33089t) , v10-3D
6. ADDITIONAL INFORMATION
The information contained herein is proprietary to Transas Marine (UK) Ltd and Navis Co. and shall not be duplicated, used, or disclosed in whole or part for any functional other than to evaluate this quotation.
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