FORCE 7
FRA FIRST 31.7 DKSail number FRA/FRA39048
GPH
664.6
OSN
644.9
LOA
9.61 m
Displacement
3770 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5981
Medium
0.827
High
0.9598
Triple Offshore
Low
0.7799
Medium
1.0227
High
1.1549
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3770 kg
- Crew weight
- 583 kg
- Wetted surface
- 22.02 m²
Sails
- Mainsail
- 25.76 m²
- Genoa
- 26.05 m²
- Spinnaker
- 66.56 m²
- Asymmetric spinnaker
- 50.26 m²
Design
- Type
- FIRST 31.7 DK
- Builder
- BENETEAU SA
- Designer
- FINOT Jean Marie
- Year built
- 1990
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.81 | 5.09 | 5.44 | 5.63 | 5.4 | 5.11 | 4.62 | 3.87 |
| 8 | 5.73 | 6.02 | 6.4 | 6.6 | 6.44 | 6.24 | 5.7 | 4.92 |
| 10 | 6.36 | 6.58 | 6.88 | 7.05 | 6.98 | 6.9 | 6.57 | 5.85 |
| 12 | 6.71 | 6.88 | 7.13 | 7.38 | 7.37 | 7.3 | 7.04 | 6.61 |
| 14 | 6.87 | 7.05 | 7.27 | 7.68 | 7.77 | 7.73 | 7.43 | 7.04 |
| 16 | 6.93 | 7.14 | 7.45 | 7.88 | 8.15 | 8.19 | 7.87 | 7.39 |
| 20 | 6.95 | 7.17 | 7.63 | 8.13 | 8.91 | 9.02 | 8.87 | 8.22 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.14 | 146° | 3.35 |
| 8 | 41.2° | 3.8 | 150° | 4.26 |
| 10 | 40.9° | 4.32 | 150.5° | 5.07 |
| 12 | 39.4° | 4.71 | 157° | 5.8 |
| 14 | 38.6° | 4.86 | 174° | 6.42 |
| 16 | 38.2° | 4.92 | 180° | 6.89 |
| 20 | 39° | 4.87 | 180° | 7.59 |
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