ATRIA
ESP FIRST 31.7Sail number ESP/POR8165_C
GPH
663.2
OSN
643
LOA
9.49 m
Displacement
3712 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6064
Medium
0.8335
High
0.9616
Triple Offshore
Low
0.7835
Medium
1.0242
High
1.1528
Boat Specifications
Dimensions
- Length overall
- 9.49 m
- Beam
- 3.22 m
- Draft
- 1.93 m
- Displacement
- 3712 kg
- Crew weight
- 460 kg
- Wetted surface
- 21.91 m²
Sails
- Mainsail
- 26.43 m²
- Genoa
- 29.19 m²
- Spinnaker
- 63.47 m²
- Asymmetric spinnaker
- 55.08 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT/CONQ
- Year built
- 1994
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.94 | 5.22 | 5.45 | 5.37 | 5.25 | 5.09 | 4.6 | 3.87 |
| 8 | 5.84 | 6.12 | 6.33 | 6.32 | 6.36 | 6.21 | 5.67 | 4.91 |
| 10 | 6.46 | 6.64 | 6.79 | 6.88 | 6.94 | 6.86 | 6.53 | 5.83 |
| 12 | 6.75 | 6.91 | 7.06 | 7.21 | 7.33 | 7.26 | 7 | 6.57 |
| 14 | 6.88 | 7.07 | 7.29 | 7.42 | 7.73 | 7.68 | 7.37 | 7 |
| 16 | 6.94 | 7.14 | 7.48 | 7.65 | 8.12 | 8.13 | 7.8 | 7.34 |
| 20 | 6.96 | 7.18 | 7.64 | 8.12 | 8.64 | 9.02 | 8.79 | 8.16 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.23 | 146° | 3.35 |
| 8 | 41.2° | 3.9 | 150° | 4.25 |
| 10 | 40.5° | 4.43 | 151° | 5.05 |
| 12 | 39° | 4.77 | 158° | 5.77 |
| 14 | 38.2° | 4.9 | 180° | 6.39 |
| 16 | 37.9° | 4.95 | 180° | 6.86 |
| 20 | 38.6° | 4.9 | 180° | 7.56 |
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