FORCE 7
FRA FIRST 31.7 DKSail number FRA/FRA39048
GPH
671.5
OSN
648.9
LOA
9.49 m
Displacement
3770 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6704
Medium
0.9283
High
1.0765
Triple Offshore
Low
0.8638
Medium
1.1416
High
1.2892
Boat Specifications
Dimensions
- Length overall
- 9.49 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3770 kg
- Crew weight
- 584 kg
- Wetted surface
- 22.07 m²
Sails
- Mainsail
- 25.76 m²
- Genoa
- 26.18 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 | 4.74 | 4.99 | 5.18 | 5.13 | 5.22 | 5.07 | 4.6 | 3.86 |
| 8 | 5.65 | 5.92 | 6.13 | 6.23 | 6.33 | 6.18 | 5.66 | 4.9 |
| 10 | 6.34 | 6.54 | 6.68 | 6.85 | 6.93 | 6.85 | 6.53 | 5.83 |
| 12 | 6.69 | 6.85 | 6.99 | 7.18 | 7.32 | 7.24 | 6.99 | 6.58 |
| 14 | 6.85 | 7.02 | 7.21 | 7.44 | 7.71 | 7.67 | 7.36 | 7 |
| 16 | 6.9 | 7.1 | 7.4 | 7.58 | 8.05 | 8.12 | 7.79 | 7.34 |
| 20 | 6.92 | 7.14 | 7.57 | 8.01 | 8.68 | 8.92 | 8.77 | 8.14 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.5° | 3.12 | 146.4° | 3.34 |
| 8 | 40.9° | 3.79 | 150.3° | 4.24 |
| 10 | 40.7° | 4.32 | 150.8° | 5.05 |
| 12 | 39.2° | 4.7 | 157.4° | 5.78 |
| 14 | 38.4° | 4.86 | 175.7° | 6.39 |
| 16 | 38.2° | 4.91 | 180° | 6.86 |
| 20 | 38.8° | 4.87 | 180° | 7.54 |
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