FORCE 7
FRA FIRST 31.7 DKSail number FRA/FRA39048
GPH
667.8
OSN
645.5
LOA
9.61 m
Displacement
3770 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5979
Medium
0.8281
High
0.9606
Triple Offshore
Low
0.7746
Medium
1.0197
High
1.1489
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3770 kg
- Crew weight
- 577 kg
- Wetted surface
- 21.92 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
- Stability index
- 109.1
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.85 | 5.1 | 5.3 | 5.47 | 5.25 | 5.03 | 4.51 | 3.78 |
| 8 | 5.77 | 6.01 | 6.26 | 6.45 | 6.3 | 6.14 | 5.61 | 4.86 |
| 10 | 6.35 | 6.54 | 6.78 | 6.97 | 6.93 | 6.84 | 6.48 | 5.8 |
| 12 | 6.69 | 6.85 | 7.06 | 7.31 | 7.33 | 7.28 | 7 | 6.54 |
| 14 | 6.86 | 7.04 | 7.24 | 7.58 | 7.69 | 7.68 | 7.41 | 7.02 |
| 16 | 6.94 | 7.14 | 7.43 | 7.76 | 8.01 | 8.06 | 7.81 | 7.39 |
| 20 | 6.99 | 7.22 | 7.62 | 7.99 | 8.63 | 8.79 | 8.69 | 8.15 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.18 | 145.7° | 3.27 |
| 8 | 41.2° | 3.89 | 149.6° | 4.21 |
| 10 | 39.6° | 4.4 | 151.4° | 5.03 |
| 12 | 38.4° | 4.73 | 157.7° | 5.75 |
| 14 | 37.8° | 4.87 | 169.4° | 6.34 |
| 16 | 37.8° | 4.94 | 177.2° | 6.83 |
| 20 | 38.1° | 4.95 | 178.1° | 7.56 |
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