FILINTA
GRE FIRST 31.7Sail number GRE/GRE3117
GPH
673.5
OSN
650.7
LOA
9.61 m
Displacement
3666 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5899
Medium
0.8212
High
0.9523
Triple Offshore
Low
0.7638
Medium
1.0131
High
1.1429
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3666 kg
- Crew weight
- 450 kg
- Wetted surface
- 21.45 m²
Sails
- Mainsail
- 25.85 m²
- Genoa
- 24.92 m²
- Spinnaker
- 62.38 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
- Stability index
- 109
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 | 4.74 | 5.03 | 5.24 | 5.16 | 5.21 | 5.05 | 4.54 | 3.82 |
| 8 | 5.66 | 5.96 | 6.19 | 6.23 | 6.35 | 6.19 | 5.63 | 4.89 |
| 10 | 6.33 | 6.55 | 6.72 | 6.86 | 6.96 | 6.88 | 6.52 | 5.82 |
| 12 | 6.69 | 6.86 | 7.02 | 7.13 | 7.35 | 7.29 | 7.02 | 6.58 |
| 14 | 6.84 | 7.03 | 7.25 | 7.33 | 7.75 | 7.72 | 7.42 | 7.03 |
| 16 | 6.89 | 7.1 | 7.43 | 7.62 | 8.05 | 8.18 | 7.88 | 7.41 |
| 20 | 6.9 | 7.14 | 7.59 | 8.08 | 8.46 | 8.93 | 8.92 | 8.28 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 3.07 | 145.7° | 3.31 |
| 8 | 42° | 3.76 | 149.8° | 4.23 |
| 10 | 41.1° | 4.29 | 151.6° | 5.05 |
| 12 | 39.6° | 4.67 | 157° | 5.78 |
| 14 | 38.8° | 4.81 | 169.4° | 6.39 |
| 16 | 38.7° | 4.86 | 178.4° | 6.87 |
| 20 | 39.4° | 4.82 | 177.2° | 7.59 |
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