ILTSCHI
GER FIRST 31.7Sail number GER/GER4922
GPH
679.3
OSN
656.2
LOA
9.61 m
Displacement
3860 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5908
Medium
0.8148
High
0.9376
Triple Offshore
Low
0.7617
Medium
1.0032
High
1.1238
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.94 m
- Displacement
- 3860 kg
- Crew weight
- 400 kg
- Wetted surface
- 21.73 m²
Sails
- Mainsail
- 26.13 m²
- Genoa
- 21.03 m²
- Spinnaker
- 65.92 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
- Stability index
- 106.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.72 | 4.96 | 5.11 | 5.13 | 5.22 | 5.05 | 4.53 | 3.79 |
| 8 | 5.61 | 5.85 | 6.02 | 6.15 | 6.3 | 6.16 | 5.64 | 4.88 |
| 10 | 6.21 | 6.42 | 6.59 | 6.75 | 6.92 | 6.85 | 6.5 | 5.82 |
| 12 | 6.56 | 6.75 | 6.92 | 7.02 | 7.31 | 7.28 | 7.02 | 6.56 |
| 14 | 6.72 | 6.92 | 7.15 | 7.23 | 7.63 | 7.67 | 7.43 | 7.03 |
| 16 | 6.78 | 7 | 7.31 | 7.47 | 7.87 | 8.03 | 7.84 | 7.42 |
| 20 | 6.81 | 7.06 | 7.47 | 7.83 | 8.2 | 8.6 | 8.72 | 8.2 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.1 | 145.1° | 3.28 |
| 8 | 41.1° | 3.79 | 149.6° | 4.22 |
| 10 | 39.6° | 4.28 | 151.4° | 5.04 |
| 12 | 39° | 4.57 | 157.7° | 5.77 |
| 14 | 38.8° | 4.69 | 169.4° | 6.36 |
| 16 | 38.8° | 4.74 | 177.2° | 6.85 |
| 20 | 39.4° | 4.72 | 178.4° | 7.58 |
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