CHESTRESS
ITA J-109Sail number ITA/ITA14339
GPH
617.6
OSN
601.5
LOA
10.757 m
Displacement
5160 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7512
Medium
0.9979
High
1.1201
Triple Offshore
Low
0.9667
Medium
1.2301
High
1.3531
Boat Specifications
Dimensions
- Length overall
- 10.757 m
- Beam
- 3.52 m
- Draft
- 2.14 m
- Displacement
- 5160 kg
- Crew weight
- 480 kg
- Wetted surface
- 26.36 m²
Sails
- Mainsail
- 37.33 m²
- Genoa
- 38.89 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 110.24 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 | 5.34 | 5.62 | 5.86 | 5.79 | 5.83 | 5.68 | 5.1 | 4.33 |
| 8 | 6.36 | 6.62 | 6.81 | 6.85 | 6.97 | 6.84 | 6.31 | 5.43 |
| 10 | 6.92 | 7.11 | 7.25 | 7.28 | 7.48 | 7.42 | 7.12 | 6.4 |
| 12 | 7.14 | 7.32 | 7.5 | 7.56 | 7.85 | 7.85 | 7.57 | 7.05 |
| 14 | 7.22 | 7.42 | 7.69 | 7.83 | 8.11 | 8.29 | 8.01 | 7.4 |
| 16 | 7.27 | 7.47 | 7.81 | 8.08 | 8.34 | 8.67 | 8.5 | 7.69 |
| 20 | 7.31 | 7.5 | 7.92 | 8.43 | 8.74 | 9.18 | 9.61 | 8.47 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.52 | 144.6° | 3.75 |
| 8 | 41.2° | 4.25 | 148° | 4.7 |
| 10 | 40.4° | 4.78 | 148.3° | 5.55 |
| 12 | 39.1° | 5.02 | 150.2° | 6.11 |
| 14 | 38.5° | 5.12 | 173.9° | 6.44 |
| 16 | 38.3° | 5.16 | 176.6° | 7 |
| 20 | 38.8° | 5.2 | 177.8° | 7.69 |
Loading polar chart…