BLAUMARINA I
ESP FIRST 31.7Sail number ESP/ESP5285
GPH
671.8
OSN
650.5
LOA
9.61 m
Displacement
3554 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5959
Medium
0.8212
High
0.9413
Triple Offshore
Low
0.7707
Medium
1.014
High
1.135
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.92 m
- Displacement
- 3554 kg
- Crew weight
- 380 kg
- Wetted surface
- 21.26 m²
Sails
- Mainsail
- 24.83 m²
- Genoa
- 27.59 m²
- Spinnaker
- 59.28 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
- Stability index
- 109.1
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.84 | 5.12 | 5.34 | 5.26 | 5.19 | 5.02 | 4.5 | 3.8 |
| 8 | 5.77 | 6.05 | 6.27 | 6.24 | 6.32 | 6.17 | 5.6 | 4.87 |
| 10 | 6.41 | 6.62 | 6.77 | 6.84 | 6.95 | 6.87 | 6.49 | 5.8 |
| 12 | 6.7 | 6.88 | 7.06 | 7.11 | 7.36 | 7.29 | 7.01 | 6.56 |
| 14 | 6.79 | 7 | 7.27 | 7.4 | 7.76 | 7.74 | 7.42 | 7.02 |
| 16 | 6.83 | 7.05 | 7.41 | 7.67 | 8.04 | 8.19 | 7.89 | 7.41 |
| 20 | 6.83 | 7.06 | 7.5 | 8.05 | 8.5 | 8.92 | 8.96 | 8.31 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.15 | 146° | 3.29 |
| 8 | 41.8° | 3.84 | 149.6° | 4.22 |
| 10 | 40.8° | 4.36 | 152.3° | 5.03 |
| 12 | 40° | 4.64 | 157° | 5.76 |
| 14 | 39.4° | 4.73 | 168.5° | 6.37 |
| 16 | 39.4° | 4.76 | 177.5° | 6.86 |
| 20 | 40° | 4.73 | 177.5° | 7.61 |
Loading polar chart…