SEDNA
FRA FIRST 31.7Sail number FRA/FRA46115
GPH
670.8
OSN
647.7
LOA
9.61 m
Displacement
3773 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5974
Medium
0.8268
High
0.9602
Triple Offshore
Low
0.7696
Medium
1.0159
High
1.1462
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3773 kg
- Crew weight
- 581 kg
- Wetted surface
- 22.15 m²
Sails
- Mainsail
- 25.63 m²
- Genoa
- 27.73 m²
- Spinnaker
- 61.23 m²
- Asymmetric spinnaker
- 53.38 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU SA
- Designer
- FINOT Jean Marie
- Year built
- 1990
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.9 | 5.15 | 5.3 | 5.17 | 5.14 | 4.96 | 4.43 | 3.73 |
| 8 | 5.82 | 6.06 | 6.21 | 6.19 | 6.24 | 6.07 | 5.53 | 4.8 |
| 10 | 6.39 | 6.58 | 6.72 | 6.82 | 6.89 | 6.79 | 6.39 | 5.73 |
| 12 | 6.72 | 6.88 | 7.03 | 7.17 | 7.31 | 7.23 | 6.93 | 6.46 |
| 14 | 6.88 | 7.06 | 7.27 | 7.42 | 7.68 | 7.62 | 7.33 | 6.95 |
| 16 | 6.95 | 7.15 | 7.45 | 7.58 | 8.03 | 7.99 | 7.72 | 7.32 |
| 20 | 7.01 | 7.24 | 7.63 | 7.97 | 8.57 | 8.77 | 8.56 | 8.06 |
| 24 | 6.99 | 7.24 | 7.73 | 8.19 | 8.94 | 9.69 | 9.74 | 8.92 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.21 | 145.2° | 3.23 |
| 8 | 41.4° | 3.93 | 149.2° | 4.16 |
| 10 | 39.7° | 4.43 | 152.3° | 4.97 |
| 12 | 38.4° | 4.76 | 157.4° | 5.67 |
| 14 | 37.8° | 4.9 | 168.7° | 6.27 |
| 16 | 37.6° | 4.97 | 177.2° | 6.77 |
| 20 | 37.8° | 4.98 | 178.3° | 7.49 |
| 24 | 39° | 4.89 | 178.1° | 8.18 |
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