SURFIN
SUI Finngulf 31Sail number SUI/SUI8713
GPH
650.9
OSN
634.5
LOA
9.98 m
Displacement
4182 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6563
Medium
0.855
High
0.9533
Triple Offshore
Low
0.8344
Medium
1.0272
High
1.1183
Boat Specifications
Dimensions
- Length overall
- 9.98 m
- Beam
- 3 m
- Draft
- 1.62 m
- Displacement
- 4182 kg
- Crew weight
- 498 kg
- Wetted surface
- 20.37 m²
Sails
- Mainsail
- 31.38 m²
- Genoa
- 29.64 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 | 5.17 | 5.42 | 5.59 | 5.54 | 5.74 | 5.66 | 5.14 | 4.38 |
| 8 | 5.96 | 6.15 | 6.28 | 6.31 | 6.55 | 6.52 | 6.21 | 5.44 |
| 10 | 6.36 | 6.51 | 6.63 | 6.64 | 6.91 | 6.94 | 6.78 | 6.3 |
| 12 | 6.55 | 6.7 | 6.84 | 6.89 | 7.14 | 7.26 | 7.15 | 6.81 |
| 14 | 6.64 | 6.8 | 6.99 | 7.09 | 7.31 | 7.53 | 7.5 | 7.17 |
| 16 | 6.68 | 6.85 | 7.1 | 7.26 | 7.47 | 7.74 | 7.88 | 7.51 |
| 20 | 6.73 | 6.91 | 7.21 | 7.51 | 7.75 | 8.13 | 8.81 | 8.36 |
| 24 | 6.71 | 6.92 | 7.28 | 7.67 | 8 | 8.5 | 9.66 | 9.68 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.41 | 141.8° | 3.79 |
| 8 | 41° | 4.06 | 150.1° | 4.71 |
| 10 | 39.3° | 4.47 | 153.7° | 5.48 |
| 12 | 38.6° | 4.66 | 162.2° | 6.12 |
| 14 | 38.1° | 4.75 | 176.3° | 6.61 |
| 16 | 37.9° | 4.79 | 178.1° | 6.98 |
| 20 | 38.5° | 4.8 | 177.9° | 7.63 |
| 24 | 39.9° | 4.71 | 173.4° | 8.44 |
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