Hårek
NOR First 31.7 LRSail number NOR/NOR10990
GPH
675.2
OSN
653.3
LOA
9.61 m
Displacement
3870 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5934
Medium
0.8173
High
0.9406
Triple Offshore
Low
0.7664
Medium
1.0092
High
1.1314
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3870 kg
- Crew weight
- 200 kg
- Wetted surface
- 21.19 m²
Sails
- Mainsail
- 26.13 m²
- Genoa
- 20.73 m²
- Spinnaker
- 60.58 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- First 31.7 LR
- Builder
- Beneteau
- Designer
- Groupe Finot
- Year built
- 1998
- Stability index
- 122.8
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 | 4.74 | 5.01 | 5.23 | 5.17 | 5.21 | 5.06 | 4.55 | 3.83 |
| 8 | 5.67 | 5.95 | 6.17 | 6.22 | 6.34 | 6.19 | 5.64 | 4.9 |
| 10 | 6.33 | 6.55 | 6.71 | 6.84 | 6.95 | 6.88 | 6.52 | 5.84 |
| 12 | 6.64 | 6.84 | 7.01 | 7.08 | 7.35 | 7.29 | 7.02 | 6.59 |
| 14 | 6.76 | 6.97 | 7.22 | 7.33 | 7.73 | 7.72 | 7.42 | 7.04 |
| 16 | 6.8 | 7.02 | 7.37 | 7.6 | 7.97 | 8.16 | 7.88 | 7.42 |
| 20 | 6.85 | 7.05 | 7.49 | 8.01 | 8.35 | 8.8 | 8.92 | 8.31 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.1 | 146° | 3.32 |
| 8 | 41.7° | 3.78 | 150.2° | 4.24 |
| 10 | 40.8° | 4.29 | 152° | 5.06 |
| 12 | 40.2° | 4.59 | 157.4° | 5.79 |
| 14 | 39.9° | 4.69 | 169.1° | 6.4 |
| 16 | 39.9° | 4.72 | 177.2° | 6.88 |
| 20 | 40° | 4.77 | 177.2° | 7.62 |
Loading polar chart…