Ilona Tuulikki
FIN IW 31Sail number FIN/FIN6313
GPH
729
OSN
707
LOA
9.345 m
Displacement
3745 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5629
Medium
0.7593
High
0.8717
Triple Offshore
Low
0.719
Medium
0.9294
High
1.0331
Boat Specifications
Dimensions
- Length overall
- 9.345 m
- Beam
- 2.68 m
- Draft
- 1.69 m
- Displacement
- 3745 kg
- Crew weight
- 370 kg
- Wetted surface
- 17.93 m²
Sails
- Mainsail
- 17.62 m²
- Genoa
- 28.87 m²
- Spinnaker
- 59.56 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- IW 31
- Builder
- IW Varvet
- Designer
- Sparkman&Stephens
- Year built
- 1975
- Stability index
- 126.4
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.46 | 4.69 | 4.85 | 4.78 | 4.81 | 4.68 | 4.29 | 3.71 |
| 8 | 5.25 | 5.51 | 5.7 | 5.68 | 5.83 | 5.7 | 5.24 | 4.63 |
| 10 | 5.83 | 6.01 | 6.15 | 6.24 | 6.34 | 6.28 | 6.03 | 5.46 |
| 12 | 6.11 | 6.26 | 6.39 | 6.46 | 6.65 | 6.62 | 6.43 | 6.1 |
| 14 | 6.25 | 6.41 | 6.57 | 6.63 | 6.92 | 6.92 | 6.73 | 6.45 |
| 16 | 6.31 | 6.49 | 6.72 | 6.82 | 7.1 | 7.21 | 7.05 | 6.73 |
| 20 | 6.36 | 6.55 | 6.88 | 7.14 | 7.34 | 7.59 | 7.64 | 7.32 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.3° | 2.95 | 147.8° | 3.21 |
| 8 | 40.8° | 3.5 | 152.3° | 4.02 |
| 10 | 41.7° | 3.95 | 152° | 4.74 |
| 12 | 40.6° | 4.24 | 159.2° | 5.4 |
| 14 | 40° | 4.36 | 173.6° | 5.94 |
| 16 | 39.9° | 4.43 | 179° | 6.33 |
| 20 | 40.2° | 4.44 | 179° | 6.87 |
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