FORCE 7
FRA FIRST 31.7 DKSail number FRA/FRA39048
GPH
669.8
OSN
646.9
LOA
9.61 m
Displacement
3770 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5962
Medium
0.8267
High
0.961
Triple Offshore
Low
0.7709
Medium
1.0174
High
1.1479
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
- 22.05 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 | 4.83 | 5.08 | 5.23 | 5.36 | 5.19 | 5.02 | 4.51 | 3.76 |
| 8 | 5.76 | 6 | 6.15 | 6.36 | 6.29 | 6.13 | 5.6 | 4.84 |
| 10 | 6.34 | 6.53 | 6.7 | 6.92 | 6.92 | 6.83 | 6.47 | 5.78 |
| 12 | 6.69 | 6.85 | 7 | 7.26 | 7.33 | 7.27 | 6.99 | 6.53 |
| 14 | 6.86 | 7.04 | 7.24 | 7.52 | 7.68 | 7.66 | 7.39 | 7 |
| 16 | 6.94 | 7.14 | 7.42 | 7.71 | 8 | 8.04 | 7.79 | 7.37 |
| 20 | 7 | 7.22 | 7.62 | 7.94 | 8.61 | 8.76 | 8.66 | 8.12 |
| 24 | 6.99 | 7.24 | 7.71 | 8.17 | 9.14 | 9.74 | 9.95 | 9.04 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.17 | 145.1° | 3.26 |
| 8 | 41.4° | 3.88 | 149.2° | 4.19 |
| 10 | 39.8° | 4.39 | 151.2° | 5.01 |
| 12 | 38.4° | 4.73 | 157.4° | 5.74 |
| 14 | 37.9° | 4.88 | 168.2° | 6.32 |
| 16 | 37.6° | 4.95 | 176.8° | 6.81 |
| 20 | 37.9° | 4.97 | 178.1° | 7.53 |
| 24 | 39° | 4.88 | 177.7° | 8.23 |
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