ILTSCHI
GER FIRST 31.7Sail number GER/GER4922
GPH
679.5
OSN
656
LOA
9.61 m
Displacement
3860 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5883
Medium
0.8151
High
0.946
Triple Offshore
Low
0.7591
Medium
1.0034
High
1.1302
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3860 kg
- Crew weight
- 450 kg
- Wetted surface
- 22 m²
Sails
- Mainsail
- 26.13 m²
- Genoa
- 21.03 m²
- Spinnaker
- 66.61 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.69 | 4.94 | 5.08 | 5.13 | 5.21 | 5.04 | 4.52 | 3.78 |
| 8 | 5.6 | 5.84 | 6.01 | 6.15 | 6.3 | 6.15 | 5.62 | 4.86 |
| 10 | 6.2 | 6.41 | 6.58 | 6.75 | 6.92 | 6.84 | 6.49 | 5.8 |
| 12 | 6.57 | 6.75 | 6.91 | 7.04 | 7.31 | 7.27 | 7.01 | 6.55 |
| 14 | 6.75 | 6.94 | 7.15 | 7.22 | 7.64 | 7.66 | 7.41 | 7.02 |
| 16 | 6.82 | 7.03 | 7.32 | 7.46 | 7.88 | 8.03 | 7.82 | 7.4 |
| 20 | 6.88 | 7.11 | 7.5 | 7.84 | 8.22 | 8.62 | 8.68 | 8.16 |
| 24 | 6.85 | 7.1 | 7.56 | 8.06 | 8.49 | 9.03 | 9.9 | 9.11 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.4° | 3.08 | 145° | 3.27 |
| 8 | 41.2° | 3.77 | 149.2° | 4.21 |
| 10 | 39.8° | 4.27 | 151.1° | 5.03 |
| 12 | 38.9° | 4.6 | 157.2° | 5.75 |
| 14 | 38.5° | 4.75 | 168.2° | 6.34 |
| 16 | 38.4° | 4.81 | 176.8° | 6.83 |
| 20 | 38.7° | 4.83 | 178.1° | 7.55 |
| 24 | 39.9° | 4.73 | 177.2° | 8.27 |
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