Inferna
FIN Inferno 31Sail number FIN/FIN6863
GPH
681.5
OSN
666.5
LOA
9.447 m
Displacement
4316 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6125
Medium
0.8067
High
0.9076
Triple Offshore
Low
0.7875
Medium
0.9854
High
1.081
Boat Specifications
Dimensions
- Length overall
- 9.447 m
- Beam
- 3.02 m
- Draft
- 1.63 m
- Displacement
- 4316 kg
- Crew weight
- 460 kg
- Wetted surface
- 20.63 m²
Sails
- Mainsail
- 33.06 m²
- Genoa
- 30.29 m²
- Spinnaker
- 61.9 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Inferno 31
- Builder
- Finngulf Marine
- Designer
- Håkan Södergren
- Year built
- 1982
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.97 | 5.25 | 5.49 | 5.45 | 5.29 | 5.13 | 4.66 | 3.96 |
| 8 | 5.81 | 6.06 | 6.23 | 6.24 | 6.26 | 6.13 | 5.64 | 4.94 |
| 10 | 6.25 | 6.42 | 6.55 | 6.61 | 6.69 | 6.62 | 6.35 | 5.78 |
| 12 | 6.42 | 6.59 | 6.76 | 6.82 | 7 | 6.94 | 6.72 | 6.4 |
| 14 | 6.49 | 6.67 | 6.91 | 7.03 | 7.31 | 7.28 | 7.04 | 6.74 |
| 16 | 6.53 | 6.71 | 7.01 | 7.23 | 7.55 | 7.62 | 7.39 | 7.03 |
| 20 | 6.54 | 6.73 | 7.09 | 7.51 | 7.83 | 8.12 | 8.09 | 7.71 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.28 | 147° | 3.43 |
| 8 | 41.6° | 3.87 | 152° | 4.28 |
| 10 | 41.6° | 4.27 | 153.5° | 5.03 |
| 12 | 40.9° | 4.45 | 166° | 5.72 |
| 14 | 40.5° | 4.53 | 180° | 6.31 |
| 16 | 40.1° | 4.56 | 180° | 6.67 |
| 20 | 40.5° | 4.55 | 180° | 7.27 |
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