ILTSCHI
GER FIRST 31.7Sail number GER/GER4922
GPH
679.4
OSN
656.6
LOA
9.61 m
Displacement
3860 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5855
Medium
0.8131
High
0.9434
Triple Offshore
Low
0.7581
Medium
1.0041
High
1.1309
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 | 4.63 | 4.91 | 5.1 | 5.16 | 5.25 | 5.08 | 4.58 | 3.84 |
| 8 | 5.53 | 5.81 | 6.04 | 6.23 | 6.36 | 6.22 | 5.67 | 4.9 |
| 10 | 6.21 | 6.44 | 6.62 | 6.84 | 6.96 | 6.89 | 6.56 | 5.85 |
| 12 | 6.6 | 6.78 | 6.94 | 7.06 | 7.34 | 7.29 | 7.04 | 6.61 |
| 14 | 6.76 | 6.95 | 7.16 | 7.24 | 7.69 | 7.71 | 7.44 | 7.05 |
| 16 | 6.81 | 7.02 | 7.32 | 7.5 | 7.92 | 8.15 | 7.89 | 7.42 |
| 20 | 6.84 | 7.03 | 7.46 | 7.94 | 8.3 | 8.75 | 8.91 | 8.29 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.1° | 3.02 | 145.7° | 3.33 |
| 8 | 41.8° | 3.68 | 150.2° | 4.25 |
| 10 | 40.8° | 4.2 | 151.1° | 5.07 |
| 12 | 40° | 4.56 | 157° | 5.81 |
| 14 | 39.4° | 4.71 | 169.4° | 6.4 |
| 16 | 39.4° | 4.76 | 177.2° | 6.88 |
| 20 | 39.4° | 4.78 | 177.2° | 7.59 |
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