Thetis-4
JPN First40.7Sail number JPN/JPN380
GPH
588.5
OSN
571
LOA
11.924 m
Displacement
7380 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6928
Medium
0.9403
High
1.0846
Triple Offshore
Low
0.8915
Medium
1.1507
High
1.2874
Boat Specifications
Dimensions
- Length overall
- 11.924 m
- Beam
- 3.77 m
- Draft
- 2.43 m
- Displacement
- 7380 kg
- Crew weight
- 751 kg
- Wetted surface
- 31.79 m²
Sails
- Mainsail
- 49.48 m²
- Genoa
- 38.25 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 126.09 m²
Design
- Type
- First40.7
- Builder
- Beneteau
- Designer
- B.FARR
- Year built
- 1997
- Stability index
- 124.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.48 | 5.78 | 6.02 | 6.01 | 6.08 | 5.93 | 5.37 | 4.57 |
| 8 | 6.51 | 6.81 | 7.02 | 7.17 | 7.28 | 7.15 | 6.62 | 5.68 |
| 10 | 7.21 | 7.4 | 7.54 | 7.7 | 7.84 | 7.77 | 7.47 | 6.7 |
| 12 | 7.53 | 7.69 | 7.84 | 7.91 | 8.24 | 8.21 | 7.93 | 7.45 |
| 14 | 7.65 | 7.85 | 8.08 | 8.15 | 8.58 | 8.68 | 8.37 | 7.88 |
| 16 | 7.72 | 7.93 | 8.26 | 8.43 | 8.82 | 9.12 | 8.86 | 8.28 |
| 20 | 7.81 | 8 | 8.43 | 8.9 | 9.25 | 9.72 | 9.96 | 9.2 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.61 | 142.4° | 3.95 |
| 8 | 40.8° | 4.37 | 147.1° | 4.92 |
| 10 | 40.2° | 4.97 | 149.3° | 5.8 |
| 12 | 38.4° | 5.34 | 156.5° | 6.54 |
| 14 | 38.1° | 5.49 | 167.6° | 7.14 |
| 16 | 37.6° | 5.56 | 177.2° | 7.64 |
| 20 | 36.9° | 5.71 | 177.2° | 8.41 |
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