SURFIN
SUI Finngulf 31Sail number SUI/SUI8713
GPH
651.6
OSN
636.2
LOA
9.98 m
Displacement
4182 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7276
Medium
0.9562
High
1.0664
Triple Offshore
Low
0.9306
Medium
1.158
High
1.2648
Boat Specifications
Dimensions
- Length overall
- 9.98 m
- Beam
- 3 m
- Draft
- 1.62 m
- Displacement
- 4182 kg
- Crew weight
- 499 kg
- Wetted surface
- 20.3 m²
Sails
- Mainsail
- 31.28 m²
- Genoa
- 30.67 m²
- Spinnaker
- 109.64 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Finngulf 31
- Builder
- Finngulf Marine
- Designer
- H. Södergren
- Year built
- 1983
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.03 | 5.29 | 5.51 | 5.57 | 5.75 | 5.64 | 5.12 | 4.38 |
| 8 | 5.93 | 6.17 | 6.32 | 6.44 | 6.62 | 6.58 | 6.26 | 5.41 |
| 10 | 6.39 | 6.55 | 6.68 | 6.7 | 7 | 7.01 | 6.81 | 6.32 |
| 12 | 6.58 | 6.74 | 6.9 | 6.96 | 7.24 | 7.38 | 7.2 | 6.84 |
| 14 | 6.66 | 6.83 | 7.07 | 7.19 | 7.44 | 7.69 | 7.63 | 7.19 |
| 16 | 6.69 | 6.88 | 7.19 | 7.4 | 7.63 | 7.91 | 8.05 | 7.59 |
| 20 | 6.69 | 6.9 | 7.29 | 7.72 | 7.93 | 8.27 | 8.79 | 8.4 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.33 | 146.8° | 3.79 |
| 8 | 41.8° | 3.94 | 149.7° | 4.69 |
| 10 | 41.1° | 4.41 | 152.6° | 5.5 |
| 12 | 39.9° | 4.62 | 163.5° | 6.15 |
| 14 | 39.3° | 4.7 | 180° | 6.67 |
| 16 | 39.5° | 4.73 | 180° | 7.02 |
| 20 | 40.2° | 4.69 | 180° | 7.76 |
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