Duppen
NOR ELAN 31Sail number NOR/NOR10750
GPH
682.7
OSN
660.6
LOA
9.47 m
Displacement
4332 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5958
Medium
0.8149
High
0.9387
Triple Offshore
Low
0.7658
Medium
0.9942
High
1.1077
Boat Specifications
Dimensions
- Length overall
- 9.47 m
- Beam
- 3.3 m
- Draft
- 1.91 m
- Displacement
- 4332 kg
- Crew weight
- 543 kg
- Wetted surface
- 21.3 m²
Sails
- Mainsail
- 28.76 m²
- Genoa
- 25.21 m²
- Spinnaker
- 55.94 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- ELAN 31
- Builder
- Elan marine
- Designer
- RobHuphrey
- Year built
- 2003
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.89 | 5.14 | 5.28 | 5.16 | 5.11 | 4.93 | 4.4 | 3.72 |
| 8 | 5.77 | 5.99 | 6.14 | 6.11 | 6.15 | 5.98 | 5.45 | 4.77 |
| 10 | 6.29 | 6.45 | 6.58 | 6.64 | 6.71 | 6.61 | 6.26 | 5.65 |
| 12 | 6.56 | 6.71 | 6.84 | 6.93 | 7.05 | 6.98 | 6.73 | 6.33 |
| 14 | 6.69 | 6.86 | 7.04 | 7.1 | 7.35 | 7.29 | 7.06 | 6.75 |
| 16 | 6.76 | 6.94 | 7.19 | 7.29 | 7.62 | 7.6 | 7.38 | 7.06 |
| 20 | 6.81 | 7.01 | 7.34 | 7.61 | 7.97 | 8.19 | 8.05 | 7.67 |
| 24 | 6.82 | 7.04 | 7.43 | 7.8 | 8.21 | 8.63 | 8.87 | 8.35 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.1° | 3.22 | 145.2° | 3.22 |
| 8 | 40.9° | 3.9 | 150.1° | 4.13 |
| 10 | 39.4° | 4.38 | 153.4° | 4.91 |
| 12 | 38.2° | 4.67 | 159.7° | 5.6 |
| 14 | 37.8° | 4.79 | 173.6° | 6.19 |
| 16 | 37.5° | 4.85 | 178.6° | 6.63 |
| 20 | 37.5° | 4.88 | 179° | 7.23 |
| 24 | 38.4° | 4.83 | 179° | 7.81 |
Loading polar chart…