Bilbo
NOR FIRST 31.7 LRSail number NOR/NOR9775
GPH
664.1
OSN
644.3
LOA
9.85 m
Displacement
3750 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.683
Medium
0.9363
High
1.0774
Triple Offshore
Low
0.8824
Medium
1.1501
High
1.2895
Boat Specifications
Dimensions
- Length overall
- 9.85 m
- Beam
- 3.22 m
- Draft
- 1.93 m
- Displacement
- 3750 kg
- Crew weight
- 583 kg
- Wetted surface
- 22.03 m²
Sails
- Mainsail
- 26.45 m²
- Genoa
- 30.83 m²
- Spinnaker
- 60.64 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7 LR
- Builder
- Beneteau
- Designer
- Groupe Finot
- Year built
- 1998
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 | 4.99 | 5.27 | 5.48 | 5.41 | 5.21 | 5.05 | 4.55 | 3.84 |
| 8 | 5.89 | 6.17 | 6.38 | 6.36 | 6.32 | 6.15 | 5.61 | 4.88 |
| 10 | 6.48 | 6.66 | 6.81 | 6.84 | 6.92 | 6.83 | 6.47 | 5.78 |
| 12 | 6.76 | 6.92 | 7.07 | 7.15 | 7.3 | 7.22 | 6.96 | 6.52 |
| 14 | 6.86 | 7.05 | 7.29 | 7.38 | 7.69 | 7.62 | 7.32 | 6.96 |
| 16 | 6.91 | 7.11 | 7.44 | 7.65 | 8.06 | 8.06 | 7.73 | 7.29 |
| 20 | 6.92 | 7.14 | 7.56 | 8.06 | 8.49 | 8.92 | 8.67 | 8.08 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.26 | 146.4° | 3.33 |
| 8 | 41° | 3.93 | 150.2° | 4.22 |
| 10 | 40.3° | 4.46 | 152.1° | 5.01 |
| 12 | 38.8° | 4.78 | 157.7° | 5.73 |
| 14 | 38.1° | 4.89 | 180° | 6.36 |
| 16 | 37.9° | 4.93 | 180° | 6.83 |
| 20 | 38.5° | 4.89 | 180° | 7.51 |
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