Ilona Tuulikki
FIN IW 31Sail number FIN/FIN6313
GPH
726.9
OSN
704.9
LOA
9.345 m
Displacement
3745 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5736
Medium
0.7642
High
0.8702
Triple Offshore
Low
0.7287
Medium
0.9288
High
1.0256
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
- 17.83 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 | 4.61 | 4.81 | 4.93 | 4.82 | 4.83 | 4.69 | 4.28 | 3.68 |
| 8 | 5.36 | 5.55 | 5.67 | 5.62 | 5.76 | 5.65 | 5.24 | 4.65 |
| 10 | 5.81 | 5.97 | 6.1 | 6.13 | 6.28 | 6.22 | 5.96 | 5.44 |
| 12 | 6.06 | 6.21 | 6.35 | 6.38 | 6.59 | 6.57 | 6.38 | 6.03 |
| 14 | 6.18 | 6.34 | 6.52 | 6.58 | 6.82 | 6.85 | 6.7 | 6.41 |
| 16 | 6.24 | 6.41 | 6.63 | 6.74 | 6.99 | 7.09 | 6.99 | 6.7 |
| 20 | 6.3 | 6.47 | 6.75 | 6.98 | 7.22 | 7.5 | 7.53 | 7.23 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.3° | 3.06 | 146.9° | 3.19 |
| 8 | 40.5° | 3.65 | 151.4° | 4.03 |
| 10 | 39.4° | 4.05 | 154.1° | 4.74 |
| 12 | 39° | 4.27 | 161.3° | 5.36 |
| 14 | 38.8° | 4.37 | 174.8° | 5.89 |
| 16 | 38.7° | 4.42 | 178.1° | 6.28 |
| 20 | 38.8° | 4.47 | 179° | 6.83 |
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