Bilbo
NOR FIRST 31.7 LRSail number NOR/NOR9775
GPH
667.2
OSN
645.6
LOA
9.85 m
Displacement
3858 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5998
Medium
0.8299
High
0.9606
Triple Offshore
Low
0.7758
Medium
1.0203
High
1.1472
Boat Specifications
Dimensions
- Length overall
- 9.85 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3858 kg
- Crew weight
- 586 kg
- Wetted surface
- 22.13 m²
Sails
- Mainsail
- 26.45 m²
- Genoa
- 30.83 m²
- Spinnaker
- 61.85 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7 LR
- Builder
- Beneteau
- Designer
- Groupe Finot
- Year built
- 1998
- Stability index
- 107.1
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 | 4.91 | 5.2 | 5.41 | 5.33 | 5.17 | 5 | 4.5 | 3.8 |
| 8 | 5.84 | 6.13 | 6.34 | 6.3 | 6.31 | 6.13 | 5.57 | 4.85 |
| 10 | 6.47 | 6.66 | 6.8 | 6.84 | 6.93 | 6.84 | 6.47 | 5.77 |
| 12 | 6.77 | 6.92 | 7.07 | 7.16 | 7.31 | 7.24 | 6.97 | 6.53 |
| 14 | 6.88 | 7.07 | 7.29 | 7.38 | 7.7 | 7.63 | 7.34 | 6.98 |
| 16 | 6.94 | 7.13 | 7.46 | 7.65 | 8.06 | 8.06 | 7.75 | 7.33 |
| 20 | 6.96 | 7.18 | 7.59 | 8.08 | 8.49 | 8.92 | 8.7 | 8.13 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.2 | 146° | 3.29 |
| 8 | 41.4° | 3.89 | 150.2° | 4.2 |
| 10 | 40.8° | 4.43 | 152° | 5.01 |
| 12 | 39.3° | 4.77 | 157.4° | 5.74 |
| 14 | 38.4° | 4.89 | 169.4° | 6.35 |
| 16 | 38.1° | 4.95 | 177.2° | 6.83 |
| 20 | 38.2° | 4.94 | 178.1° | 7.51 |
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