MARINA SEIS
ESP FIRST 31.7Sail number ESP/ESP5685_C
GPH
671.5
OSN
649
LOA
9.49 m
Displacement
3712 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.671
Medium
0.9289
High
1.0814
Triple Offshore
Low
0.8634
Medium
1.1414
High
1.2916
Boat Specifications
Dimensions
- Length overall
- 9.49 m
- Beam
- 3.22 m
- Draft
- 1.93 m
- Displacement
- 3712 kg
- Crew weight
- 400 kg
- Wetted surface
- 21.95 m²
Sails
- Mainsail
- 25.73 m²
- Genoa
- 25.62 m²
- Spinnaker
- 60.63 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.77 | 5.02 | 5.21 | 5.14 | 5.17 | 5.02 | 4.53 | 3.83 |
| 8 | 5.69 | 5.96 | 6.16 | 6.2 | 6.29 | 6.12 | 5.59 | 4.87 |
| 10 | 6.37 | 6.56 | 6.7 | 6.83 | 6.9 | 6.81 | 6.46 | 5.77 |
| 12 | 6.71 | 6.86 | 7 | 7.15 | 7.29 | 7.21 | 6.94 | 6.51 |
| 14 | 6.87 | 7.04 | 7.23 | 7.3 | 7.68 | 7.61 | 7.31 | 6.95 |
| 16 | 6.94 | 7.13 | 7.43 | 7.56 | 8.05 | 8.05 | 7.72 | 7.29 |
| 20 | 6.96 | 7.19 | 7.64 | 8.04 | 8.47 | 8.9 | 8.66 | 8.08 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.15 | 146.4° | 3.32 |
| 8 | 40.8° | 3.82 | 150.3° | 4.22 |
| 10 | 40.3° | 4.36 | 152.2° | 5 |
| 12 | 38.9° | 4.74 | 157.3° | 5.72 |
| 14 | 38° | 4.9 | 180° | 6.34 |
| 16 | 37.6° | 4.97 | 180° | 6.82 |
| 20 | 38.2° | 4.94 | 180° | 7.5 |
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