Default Rudder Data
- Last UpdatedAug 18, 2023
- 1 minute read
Default lift and drag coefficients are given in the program for normal rudders. The data for the normal rudders has been taken from References 53.
Default Lift and Drag Coefficients for Normal Rudder
|
Aspect Ratio |
1.0 |
2.0 |
||
|---|---|---|---|---|
|
|
CL |
CD |
CL |
CD |
|
0.0 |
0.000 |
0.010 |
0.000 |
0.010 |
|
5.0 |
0.125 |
0.016 |
0.210 |
0.016 |
|
10.0 |
0.265 |
0.038 |
0.435 |
0.044 |
|
15.0 |
0.420 |
0.078 |
0.675 |
0.090 |
|
20.0 |
0.600 |
0.140 |
0.930 |
0.160 |
|
25.0 |
0.790 |
0.234 |
1.160 |
0.252 |
|
30.0 |
0.980 |
0.355 |
1.375 |
0.352 |
|
35.0 |
1.150 |
0.500 |
1.300 |
0.410 |
The longitudinal and transverse force for a range of rudder angles is calculated by default for a conventional rudder from the method described in Dynamic Positioning Calculations. The rudder forces depend on the rudder area and aspect ratio.