MARINA SEIS
ESP FIRST 31.7Sail number ESP/ESP5685
GPH
678.1
OSN
655.3
LOA
9.61 m
Displacement
3837 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5939
Medium
0.8168
High
0.9397
Triple Offshore
Low
0.7642
Medium
1.0044
High
1.1234
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
- 21.8 m²
Sails
- Mainsail
- 25.41 m²
- Genoa
- 25.28 m²
- Spinnaker
- 62.06 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 | 4.82 | 5.07 | 5.22 | 5.09 | 5.15 | 4.98 | 4.45 | 3.74 |
| 8 | 5.71 | 5.94 | 6.11 | 6.1 | 6.23 | 6.09 | 5.55 | 4.82 |
| 10 | 6.3 | 6.49 | 6.64 | 6.71 | 6.87 | 6.79 | 6.41 | 5.74 |
| 12 | 6.61 | 6.79 | 6.96 | 7.01 | 7.27 | 7.22 | 6.95 | 6.48 |
| 14 | 6.74 | 6.94 | 7.17 | 7.25 | 7.59 | 7.6 | 7.35 | 6.96 |
| 16 | 6.8 | 7.01 | 7.31 | 7.48 | 7.83 | 7.95 | 7.75 | 7.34 |
| 20 | 6.83 | 7.06 | 7.44 | 7.81 | 8.15 | 8.53 | 8.57 | 8.09 |
| 24 | 6.78 | 7.03 | 7.49 | 7.97 | 8.25 | 8.92 | 9.71 | 8.99 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.4° | 3.17 | 145° | 3.24 |
| 8 | 41° | 3.86 | 149.2° | 4.17 |
| 10 | 39.5° | 4.35 | 152.1° | 4.98 |
| 12 | 38.8° | 4.63 | 157.4° | 5.69 |
| 14 | 38.5° | 4.74 | 168.7° | 6.29 |
| 16 | 38.4° | 4.78 | 177.2° | 6.78 |
| 20 | 38.9° | 4.78 | 178.1° | 7.5 |
| 24 | 40.2° | 4.65 | 177.9° | 8.21 |
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