Allegro
NOR FIRST 31.7 LRSail number NOR/NOR9797
GPH
670
OSN
647.4
LOA
9.85 m
Displacement
3717 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6007
Medium
0.8278
High
0.9565
Triple Offshore
Low
0.7734
Medium
1.016
High
1.1412
Boat Specifications
Dimensions
- Length overall
- 9.85 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3717 kg
- Crew weight
- 575 kg
- Wetted surface
- 21.97 m²
Sails
- Mainsail
- 26.23 m²
- Genoa
- 28.73 m²
- Spinnaker
- 56.78 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7 LR
- Builder
- Beneteau
- Designer
- GroupeFinot
- Year built
- 1998
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.98 | 5.23 | 5.38 | 5.25 | 5.1 | 4.93 | 4.39 | 3.71 |
| 8 | 5.89 | 6.12 | 6.27 | 6.19 | 6.21 | 6.04 | 5.49 | 4.78 |
| 10 | 6.44 | 6.62 | 6.76 | 6.77 | 6.87 | 6.76 | 6.34 | 5.7 |
| 12 | 6.74 | 6.9 | 7.06 | 7.11 | 7.29 | 7.21 | 6.9 | 6.43 |
| 14 | 6.87 | 7.06 | 7.28 | 7.36 | 7.65 | 7.59 | 7.3 | 6.92 |
| 16 | 6.93 | 7.13 | 7.44 | 7.61 | 7.96 | 7.96 | 7.69 | 7.29 |
| 20 | 6.98 | 7.2 | 7.6 | 7.96 | 8.37 | 8.68 | 8.51 | 8.02 |
| 24 | 6.96 | 7.2 | 7.68 | 8.16 | 8.67 | 9.26 | 9.67 | 8.88 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.4° | 3.27 | 145.3° | 3.21 |
| 8 | 41.2° | 3.98 | 149.4° | 4.14 |
| 10 | 39.5° | 4.49 | 152.9° | 4.95 |
| 12 | 38.2° | 4.78 | 157.4° | 5.64 |
| 14 | 37.8° | 4.89 | 169.1° | 6.25 |
| 16 | 37.6° | 4.94 | 177.2° | 6.75 |
| 20 | 38° | 4.95 | 178.6° | 7.47 |
| 24 | 39.1° | 4.85 | 178.1° | 8.16 |
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