FILINTA
GRE FIRST 31.7Sail number GRE/GRE3117
GPH
694.4
OSN
669.1
LOA
9.61 m
Displacement
3666 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5681
Medium
0.7966
High
0.9263
Triple Offshore
Low
0.7341
Medium
0.9868
High
1.1157
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3666 kg
- Crew weight
- 400 kg
- Wetted surface
- 21.32 m²
Sails
- Mainsail
- 25.85 m²
- Genoa
- 24.92 m²
- Spinnaker
- 57.31 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
- Stability index
- 109.6
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.6 | 4.86 | 5.02 | 4.9 | 4.96 | 4.78 | 4.24 | 3.59 |
| 8 | 5.54 | 5.79 | 5.98 | 5.97 | 6.09 | 5.93 | 5.37 | 4.67 |
| 10 | 6.18 | 6.4 | 6.58 | 6.66 | 6.81 | 6.71 | 6.27 | 5.6 |
| 12 | 6.54 | 6.74 | 6.93 | 7.01 | 7.24 | 7.18 | 6.87 | 6.37 |
| 14 | 6.7 | 6.92 | 7.16 | 7.24 | 7.59 | 7.57 | 7.3 | 6.9 |
| 16 | 6.77 | 7 | 7.32 | 7.49 | 7.88 | 7.95 | 7.71 | 7.3 |
| 20 | 6.8 | 7.05 | 7.47 | 7.86 | 8.24 | 8.63 | 8.58 | 8.08 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.1° | 2.99 | 146° | 3.11 |
| 8 | 41.8° | 3.7 | 149.6° | 4.04 |
| 10 | 40.5° | 4.21 | 152.4° | 4.86 |
| 12 | 39.6° | 4.52 | 156.8° | 5.58 |
| 14 | 39.4° | 4.64 | 167.6° | 6.2 |
| 16 | 39.4° | 4.7 | 177.2° | 6.73 |
| 20 | 39.9° | 4.68 | 179° | 7.49 |
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