SURFIN
SUI Finngulf 31Sail number SUI/SUI8713
GPH
653.2
OSN
636.8
LOA
9.98 m
Displacement
4182 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6426
Medium
0.8498
High
0.9518
Triple Offshore
Low
0.8233
Medium
1.0276
High
1.1245
Boat Specifications
Dimensions
- Length overall
- 9.98 m
- Beam
- 3 m
- Draft
- 1.62 m
- Displacement
- 4182 kg
- Crew weight
- 499 kg
- Wetted surface
- 20.26 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
- Stability index
- 128
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.99 | 5.28 | 5.51 | 5.55 | 5.75 | 5.65 | 5.12 | 4.38 |
| 8 | 5.88 | 6.13 | 6.3 | 6.42 | 6.62 | 6.58 | 6.26 | 5.43 |
| 10 | 6.37 | 6.53 | 6.65 | 6.69 | 6.99 | 7 | 6.81 | 6.35 |
| 12 | 6.58 | 6.73 | 6.88 | 6.94 | 7.23 | 7.37 | 7.2 | 6.85 |
| 14 | 6.66 | 6.83 | 7.05 | 7.17 | 7.43 | 7.67 | 7.63 | 7.22 |
| 16 | 6.7 | 6.89 | 7.18 | 7.39 | 7.61 | 7.89 | 8.06 | 7.62 |
| 20 | 6.71 | 6.92 | 7.3 | 7.72 | 7.91 | 8.24 | 8.81 | 8.46 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.28 | 146° | 3.79 |
| 8 | 42° | 3.9 | 149.6° | 4.7 |
| 10 | 41.2° | 4.38 | 153.2° | 5.52 |
| 12 | 40° | 4.62 | 162.8° | 6.17 |
| 14 | 39.4° | 4.72 | 177.2° | 6.66 |
| 16 | 39.3° | 4.76 | 178.1° | 7.01 |
| 20 | 39.6° | 4.75 | 176.6° | 7.75 |
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