LUTRA
GER KOOPMANNS 38Sail number GER/GER7438
GPH
717.4
OSN
690.5
LOA
11.9 m
Displacement
9786 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6108
Medium
0.8705
High
1.0577
Triple Offshore
Low
0.7877
Medium
1.0745
High
1.2538
Boat Specifications
Dimensions
- Length overall
- 11.9 m
- Beam
- 3.6 m
- Draft
- 2.36 m
- Displacement
- 9786 kg
- Crew weight
- 664 kg
- Wetted surface
- 29.08 m²
Sails
- Mainsail
- 36.51 m²
- Genoa
- 36.36 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- KOOPMANNS 38
- Builder
- FOMER/WILHELMINA
- Designer
- KOOPMANNS
- Year built
- 1993
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.58 | 4.82 | 5.01 | 4.94 | 4.65 | 4.38 | 3.82 | 3.25 |
| 8 | 5.42 | 5.67 | 5.88 | 5.8 | 5.57 | 5.29 | 4.79 | 4.21 |
| 10 | 6.13 | 6.42 | 6.63 | 6.58 | 6.38 | 6.07 | 5.54 | 5 |
| 12 | 6.67 | 6.88 | 7.03 | 7.01 | 6.92 | 6.73 | 6.24 | 5.67 |
| 14 | 6.94 | 7.12 | 7.26 | 7.27 | 7.22 | 7.1 | 6.8 | 6.32 |
| 16 | 7.09 | 7.27 | 7.43 | 7.49 | 7.45 | 7.35 | 7.13 | 6.82 |
| 20 | 7.18 | 7.39 | 7.69 | 7.81 | 7.89 | 7.79 | 7.57 | 7.36 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.1° | 3 | 174° | 2.84 |
| 8 | 41.1° | 3.65 | 175.8° | 3.74 |
| 10 | 40.3° | 4.12 | 178.1° | 4.55 |
| 12 | 40.6° | 4.54 | 179° | 5.24 |
| 14 | 40.4° | 4.83 | 179.1° | 5.87 |
| 16 | 40.2° | 4.96 | 179.4° | 6.47 |
| 20 | 39.7° | 5.03 | 179.8° | 7.2 |
Loading polar chart…