MARINA SEIS
ESP FIRST 31.7Sail number ESP/ESP5685
GPH
678.3
OSN
655.6
LOA
9.61 m
Displacement
3837 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5944
Medium
0.8162
High
0.9376
Triple Offshore
Low
0.7645
Medium
1.0039
High
1.1223
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3837 kg
- Crew weight
- 400 kg
- Wetted surface
- 21.63 m²
Sails
- Mainsail
- 25.41 m²
- Genoa
- 25.28 m²
- Spinnaker
- 59.6 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
- Stability index
- 106
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.83 | 5.08 | 5.23 | 5.11 | 5.13 | 4.96 | 4.43 | 3.74 |
| 8 | 5.72 | 5.96 | 6.12 | 6.09 | 6.22 | 6.07 | 5.53 | 4.82 |
| 10 | 6.3 | 6.5 | 6.65 | 6.72 | 6.86 | 6.78 | 6.39 | 5.74 |
| 12 | 6.61 | 6.79 | 6.96 | 7.02 | 7.27 | 7.22 | 6.94 | 6.47 |
| 14 | 6.73 | 6.94 | 7.18 | 7.26 | 7.59 | 7.59 | 7.34 | 6.96 |
| 16 | 6.8 | 7.01 | 7.32 | 7.49 | 7.86 | 7.94 | 7.74 | 7.33 |
| 20 | 6.82 | 7.06 | 7.45 | 7.82 | 8.17 | 8.56 | 8.57 | 8.09 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.3° | 3.18 | 145.7° | 3.24 |
| 8 | 40.8° | 3.87 | 149.8° | 4.17 |
| 10 | 39.4° | 4.36 | 152.9° | 4.98 |
| 12 | 38.8° | 4.62 | 157.7° | 5.68 |
| 14 | 38.4° | 4.72 | 169.1° | 6.29 |
| 16 | 38.4° | 4.77 | 177.2° | 6.79 |
| 20 | 39.3° | 4.75 | 179° | 7.51 |
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