SURFIN
SUI Finngulf 31Sail number SUI/SUI8713
GPH
651.1
OSN
635.9
LOA
9.98 m
Displacement
4182 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6465
Medium
0.8505
High
0.9495
Triple Offshore
Low
0.828
Medium
1.0296
High
1.1253
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
- 31.45 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 | 5.03 | 5.33 | 5.57 | 5.57 | 5.77 | 5.67 | 5.15 | 4.4 |
| 8 | 5.92 | 6.17 | 6.33 | 6.43 | 6.63 | 6.59 | 6.28 | 5.43 |
| 10 | 6.39 | 6.55 | 6.67 | 6.71 | 7 | 7.01 | 6.82 | 6.33 |
| 12 | 6.58 | 6.74 | 6.89 | 6.96 | 7.24 | 7.38 | 7.21 | 6.84 |
| 14 | 6.66 | 6.84 | 7.07 | 7.18 | 7.43 | 7.69 | 7.63 | 7.2 |
| 16 | 6.7 | 6.89 | 7.19 | 7.4 | 7.61 | 7.91 | 8.06 | 7.6 |
| 20 | 6.69 | 6.91 | 7.3 | 7.72 | 7.93 | 8.27 | 8.8 | 8.42 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.31 | 147° | 3.81 |
| 8 | 42° | 3.93 | 149.5° | 4.7 |
| 10 | 41.2° | 4.4 | 152.8° | 5.51 |
| 12 | 39.8° | 4.62 | 164° | 6.16 |
| 14 | 39.4° | 4.71 | 180° | 6.67 |
| 16 | 39.4° | 4.74 | 180° | 7.03 |
| 20 | 40.1° | 4.7 | 180° | 7.77 |
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