CHESTRESS
ITA J-109Sail number ITA/ITA14339
GPH
609
OSN
592.3
LOA
10.757 m
Displacement
5157 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6876
Medium
0.9025
High
1.0048
Triple Offshore
Low
0.8785
Medium
1.1055
High
1.2114
Boat Specifications
Dimensions
- Length overall
- 10.757 m
- Beam
- 3.52 m
- Draft
- 2.14 m
- Displacement
- 5157 kg
- Crew weight
- 530 kg
- Wetted surface
- 26.08 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
- Stability index
- 117.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.57 | 5.83 | 5.99 | 5.86 | 5.88 | 5.74 | 5.15 | 4.37 |
| 8 | 6.51 | 6.71 | 6.83 | 6.8 | 6.96 | 6.87 | 6.39 | 5.52 |
| 10 | 6.98 | 7.14 | 7.26 | 7.26 | 7.5 | 7.47 | 7.19 | 6.49 |
| 12 | 7.17 | 7.35 | 7.53 | 7.58 | 7.86 | 7.91 | 7.68 | 7.13 |
| 14 | 7.26 | 7.45 | 7.71 | 7.84 | 8.12 | 8.3 | 8.15 | 7.5 |
| 16 | 7.31 | 7.51 | 7.82 | 8.05 | 8.33 | 8.66 | 8.62 | 7.82 |
| 20 | 7.36 | 7.58 | 7.95 | 8.34 | 8.71 | 9.21 | 9.79 | 8.5 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.68 | 144.2° | 3.79 |
| 8 | 40.6° | 4.45 | 147.8° | 4.78 |
| 10 | 38.8° | 4.91 | 148.7° | 5.62 |
| 12 | 38.1° | 5.1 | 150.1° | 6.18 |
| 14 | 37.6° | 5.19 | 150.5° | 6.5 |
| 16 | 37.8° | 5.24 | 173.6° | 6.99 |
| 20 | 38.2° | 5.26 | 175.7° | 7.72 |
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