Sirene
NOR First 31.7 LRSail number NOR/NOR11649
GPH
681.7
OSN
657
LOA
9.61 m
Displacement
3858 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5834
Medium
0.8135
High
0.9527
Triple Offshore
Low
0.7525
Medium
1.0018
High
1.1363
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3858 kg
- Crew weight
- 582 kg
- Wetted surface
- 22.09 m²
Sails
- Mainsail
- 26.34 m²
- Genoa
- 20.7 m²
- Spinnaker
- 61.85 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- First 31.7 LR
- Builder
- Beneteau
- Designer
- Finot
- Year built
- 1998
- Stability index
- 106.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.64 | 4.89 | 5.03 | 5.1 | 5.14 | 4.97 | 4.45 | 3.75 |
| 8 | 5.59 | 5.83 | 5.98 | 6.15 | 6.25 | 6.08 | 5.55 | 4.82 |
| 10 | 6.2 | 6.41 | 6.57 | 6.77 | 6.89 | 6.8 | 6.4 | 5.74 |
| 12 | 6.58 | 6.76 | 6.91 | 7.11 | 7.3 | 7.23 | 6.94 | 6.48 |
| 14 | 6.8 | 6.97 | 7.16 | 7.29 | 7.65 | 7.62 | 7.34 | 6.96 |
| 16 | 6.9 | 7.1 | 7.36 | 7.46 | 7.95 | 7.99 | 7.73 | 7.33 |
| 20 | 6.96 | 7.19 | 7.59 | 7.88 | 8.34 | 8.69 | 8.57 | 8.07 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.04 | 145.7° | 3.25 |
| 8 | 41.4° | 3.75 | 149.8° | 4.18 |
| 10 | 40° | 4.25 | 152.3° | 4.98 |
| 12 | 38.8° | 4.62 | 157.7° | 5.69 |
| 14 | 38.2° | 4.82 | 170° | 6.29 |
| 16 | 37.8° | 4.89 | 177.2° | 6.79 |
| 20 | 38.2° | 4.91 | 179° | 7.5 |
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