CHESTRESS
ITA J-109Sail number ITA/ITA14339
GPH
608.6
OSN
592
LOA
10.757 m
Displacement
5158 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6875
Medium
0.9034
High
1.0058
Triple Offshore
Low
0.8786
Medium
1.1064
High
1.2118
Boat Specifications
Dimensions
- Length overall
- 10.757 m
- Beam
- 3.52 m
- Draft
- 2.15 m
- Displacement
- 5158 kg
- Crew weight
- 530 kg
- Wetted surface
- 26.21 m²
Sails
- Mainsail
- 37.33 m²
- Genoa
- 39.72 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 115.17 m²
Design
- Type
- J-109
- Builder
- J-Composite
- Designer
- Johnstone
- Year built
- 2001
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.57 | 5.83 | 5.99 | 5.86 | 5.89 | 5.74 | 5.15 | 4.37 |
| 8 | 6.51 | 6.71 | 6.83 | 6.79 | 6.97 | 6.87 | 6.39 | 5.52 |
| 10 | 6.99 | 7.15 | 7.27 | 7.27 | 7.5 | 7.47 | 7.19 | 6.48 |
| 12 | 7.18 | 7.35 | 7.53 | 7.58 | 7.86 | 7.91 | 7.68 | 7.13 |
| 14 | 7.27 | 7.45 | 7.71 | 7.84 | 8.11 | 8.3 | 8.14 | 7.5 |
| 16 | 7.31 | 7.51 | 7.81 | 8.05 | 8.32 | 8.65 | 8.61 | 7.81 |
| 20 | 7.37 | 7.59 | 7.96 | 8.34 | 8.7 | 9.18 | 9.76 | 8.48 |
| 24 | 7.36 | 7.59 | 8.04 | 8.53 | 9.04 | 9.73 | 11.63 | 10.22 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.5° | 3.69 | 143.9° | 3.78 |
| 8 | 40.6° | 4.45 | 147.6° | 4.78 |
| 10 | 38.8° | 4.92 | 148.5° | 5.62 |
| 12 | 37.9° | 5.11 | 149.9° | 6.18 |
| 14 | 37.5° | 5.2 | 150.5° | 6.49 |
| 16 | 37.8° | 5.25 | 173.7° | 6.98 |
| 20 | 37.9° | 5.28 | 175.9° | 7.71 |
| 24 | 39.3° | 5.19 | 139.9° | 8.85 |
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