Alexandra
FIN Inferno 31Sail number FIN/FIN3649
GPH
695.7
OSN
678.5
LOA
9.447 m
Displacement
4315 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5926
Medium
0.79
High
0.8976
Triple Offshore
Low
0.7632
Medium
0.9692
High
1.0708
Boat Specifications
Dimensions
- Length overall
- 9.447 m
- Beam
- 3.02 m
- Draft
- 1.63 m
- Displacement
- 4315 kg
- Crew weight
- 400 kg
- Wetted surface
- 20.44 m²
Sails
- Mainsail
- 31.3 m²
- Genoa
- 21.86 m²
- Spinnaker
- 59.95 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Inferno 31
- Builder
- Finngulf Marine
- Designer
- Håkan Södergren
- Year built
- 1984
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.71 | 4.98 | 5.2 | 5.22 | 5.26 | 5.09 | 4.63 | 3.94 |
| 8 | 5.51 | 5.8 | 6.02 | 6.15 | 6.22 | 6.1 | 5.59 | 4.91 |
| 10 | 6.07 | 6.27 | 6.43 | 6.58 | 6.66 | 6.6 | 6.32 | 5.74 |
| 12 | 6.33 | 6.5 | 6.65 | 6.78 | 6.97 | 6.91 | 6.7 | 6.37 |
| 14 | 6.44 | 6.62 | 6.82 | 6.91 | 7.28 | 7.23 | 7 | 6.71 |
| 16 | 6.48 | 6.68 | 6.96 | 7.11 | 7.51 | 7.57 | 7.35 | 7 |
| 20 | 6.51 | 6.69 | 7.08 | 7.45 | 7.78 | 8.07 | 8.04 | 7.66 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.09 | 147° | 3.41 |
| 8 | 41.6° | 3.66 | 152° | 4.26 |
| 10 | 41.2° | 4.08 | 154° | 5 |
| 12 | 41.2° | 4.35 | 166° | 5.69 |
| 14 | 40.9° | 4.45 | 180° | 6.28 |
| 16 | 40.9° | 4.48 | 180° | 6.64 |
| 20 | 41.1° | 4.5 | 180° | 7.22 |
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