Thetis
FIN First 31.7Sail number FIN/FIN10742
GPH
666.4
OSN
645.9
LOA
9.61 m
Displacement
3810 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6029
Medium
0.8288
High
0.9544
Triple Offshore
Low
0.7798
Medium
1.0197
High
1.1444
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3810 kg
- Crew weight
- 510 kg
- Wetted surface
- 22.2 m²
Sails
- Mainsail
- 25.53 m²
- Genoa
- 30.37 m²
- Spinnaker
- 62.86 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 | 4.93 | 5.22 | 5.43 | 5.36 | 5.22 | 5.06 | 4.57 | 3.84 |
| 8 | 5.83 | 6.12 | 6.33 | 6.32 | 6.33 | 6.17 | 5.63 | 4.89 |
| 10 | 6.45 | 6.64 | 6.8 | 6.84 | 6.94 | 6.86 | 6.5 | 5.79 |
| 12 | 6.75 | 6.91 | 7.07 | 7.15 | 7.32 | 7.26 | 6.99 | 6.55 |
| 14 | 6.86 | 7.05 | 7.28 | 7.37 | 7.71 | 7.66 | 7.36 | 6.99 |
| 16 | 6.91 | 7.11 | 7.44 | 7.64 | 8.07 | 8.1 | 7.78 | 7.33 |
| 20 | 6.92 | 7.14 | 7.57 | 8.06 | 8.49 | 8.93 | 8.74 | 8.13 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.21 | 146° | 3.33 |
| 8 | 41.2° | 3.89 | 150° | 4.23 |
| 10 | 40.5° | 4.41 | 152° | 5.02 |
| 12 | 39.4° | 4.74 | 157° | 5.75 |
| 14 | 38.6° | 4.86 | 175° | 6.37 |
| 16 | 38.2° | 4.9 | 180° | 6.85 |
| 20 | 39.4° | 4.84 | 180° | 7.54 |
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