Ilona Tuulikki
FIN IW 31Sail number FIN/FIN6313
GPH
724.5
OSN
704.6
LOA
9.42 m
Displacement
3746 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5688
Medium
0.7622
High
0.8708
Triple Offshore
Low
0.7268
Medium
0.9333
High
1.0347
Boat Specifications
Dimensions
- Length overall
- 9.42 m
- Beam
- 2.68 m
- Draft
- 1.69 m
- Displacement
- 3746 kg
- Crew weight
- 368 kg
- Wetted surface
- 18.07 m²
Sails
- Mainsail
- 17.59 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.52 | 4.75 | 4.93 | 4.86 | 4.85 | 4.72 | 4.33 | 3.74 |
| 8 | 5.3 | 5.57 | 5.76 | 5.73 | 5.86 | 5.74 | 5.28 | 4.65 |
| 10 | 5.86 | 6.04 | 6.18 | 6.25 | 6.36 | 6.31 | 6.05 | 5.47 |
| 12 | 6.13 | 6.28 | 6.41 | 6.46 | 6.67 | 6.63 | 6.44 | 6.1 |
| 14 | 6.25 | 6.42 | 6.59 | 6.65 | 6.93 | 6.93 | 6.74 | 6.45 |
| 16 | 6.3 | 6.49 | 6.73 | 6.83 | 7.1 | 7.23 | 7.05 | 6.72 |
| 20 | 6.33 | 6.53 | 6.86 | 7.15 | 7.35 | 7.6 | 7.64 | 7.3 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.6° | 3 | 148° | 3.24 |
| 8 | 40.7° | 3.54 | 152° | 4.03 |
| 10 | 41.2° | 3.98 | 152° | 4.75 |
| 12 | 40.5° | 4.25 | 160° | 5.4 |
| 14 | 40.1° | 4.36 | 180° | 5.98 |
| 16 | 39.9° | 4.41 | 180° | 6.35 |
| 20 | 40.5° | 4.4 | 180° | 6.89 |
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