SURFIN
SUI Finngulf 31Sail number SUI/SUI8713
GPH
650.6
OSN
634.2
LOA
9.98 m
Displacement
4182 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6571
Medium
0.8549
High
0.9538
Triple Offshore
Low
0.8352
Medium
1.0274
High
1.1194
Boat Specifications
Dimensions
- Length overall
- 9.98 m
- Beam
- 3 m
- Draft
- 1.62 m
- Displacement
- 4182 kg
- Crew weight
- 498 kg
- Wetted surface
- 20.25 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 | 5.17 | 5.43 | 5.6 | 5.55 | 5.75 | 5.66 | 5.15 | 4.39 |
| 8 | 5.97 | 6.16 | 6.28 | 6.32 | 6.55 | 6.52 | 6.21 | 5.45 |
| 10 | 6.36 | 6.51 | 6.63 | 6.65 | 6.92 | 6.95 | 6.78 | 6.3 |
| 12 | 6.55 | 6.7 | 6.85 | 6.9 | 7.15 | 7.26 | 7.16 | 6.82 |
| 14 | 6.64 | 6.8 | 7 | 7.1 | 7.33 | 7.54 | 7.51 | 7.18 |
| 16 | 6.69 | 6.86 | 7.1 | 7.26 | 7.48 | 7.76 | 7.9 | 7.53 |
| 20 | 6.73 | 6.92 | 7.23 | 7.52 | 7.76 | 8.16 | 8.84 | 8.39 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.41 | 141.9° | 3.8 |
| 8 | 41.1° | 4.06 | 150.5° | 4.72 |
| 10 | 39.4° | 4.47 | 154.1° | 5.49 |
| 12 | 38.8° | 4.65 | 162.8° | 6.13 |
| 14 | 38.2° | 4.74 | 177.2° | 6.62 |
| 16 | 38.2° | 4.79 | 178.1° | 6.99 |
| 20 | 38.4° | 4.8 | 178.4° | 7.65 |
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