BLAUMARINA I
ESP FIRST 31.7Sail number ESP/ESP5285
GPH
677.4
OSN
657
LOA
9.61 m
Displacement
3554 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6015
Medium
0.8117
High
0.9174
Triple Offshore
Low
0.7739
Medium
1.0022
High
1.1074
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.92 m
- Displacement
- 3554 kg
- Crew weight
- 225 kg
- Wetted surface
- 21.05 m²
Sails
- Mainsail
- 24.59 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.91 | 5.16 | 5.33 | 5.23 | 5.16 | 5 | 4.47 | 3.76 |
| 8 | 5.81 | 6.03 | 6.2 | 6.15 | 6.24 | 6.11 | 5.59 | 4.85 |
| 10 | 6.32 | 6.54 | 6.71 | 6.71 | 6.88 | 6.81 | 6.44 | 5.78 |
| 12 | 6.55 | 6.77 | 6.99 | 7.06 | 7.28 | 7.26 | 6.98 | 6.51 |
| 14 | 6.62 | 6.86 | 7.16 | 7.32 | 7.6 | 7.64 | 7.41 | 7 |
| 16 | 6.66 | 6.91 | 7.25 | 7.52 | 7.8 | 8 | 7.83 | 7.4 |
| 20 | 6.66 | 6.94 | 7.36 | 7.78 | 8.11 | 8.52 | 8.73 | 8.22 |
| 24 | 6.54 | 6.88 | 7.4 | 7.92 | 8.28 | 8.91 | 9.98 | 9.27 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.24 | 144.9° | 3.26 |
| 8 | 40.9° | 3.93 | 148.9° | 4.2 |
| 10 | 39.8° | 4.35 | 152.3° | 5.01 |
| 12 | 39.5° | 4.51 | 157.4° | 5.72 |
| 14 | 39.6° | 4.57 | 168.2° | 6.31 |
| 16 | 39.8° | 4.59 | 177.2° | 6.82 |
| 20 | 40.7° | 4.53 | 178.1° | 7.58 |
| 24 | 42.9° | 4.31 | 177.2° | 8.35 |
Loading polar chart…