Arethusa
NLS J-109Sail number NLS/NED7800SH
GPH
625.5
OSN
610
LOA
10.757 m
Displacement
5209 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7473
Medium
0.9824
High
1.0997
Triple Offshore
Low
0.96
Medium
1.2123
High
1.3276
Boat Specifications
Dimensions
- Length overall
- 10.757 m
- Beam
- 3.52 m
- Draft
- 2.14 m
- Displacement
- 5209 kg
- Crew weight
- 180 kg
- Wetted surface
- 26.47 m²
Sails
- Mainsail
- 37.87 m²
- Genoa
- 31.71 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 104.64 m²
Design
- Type
- J-109
- Builder
- J-Boats France
- Designer
- Johnstone
- Year built
- 2001
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.23 | 5.51 | 5.74 | 5.75 | 5.84 | 5.7 | 5.16 | 4.39 |
| 8 | 6.2 | 6.48 | 6.69 | 6.81 | 6.95 | 6.84 | 6.34 | 5.48 |
| 10 | 6.78 | 6.99 | 7.16 | 7.17 | 7.44 | 7.39 | 7.12 | 6.43 |
| 12 | 7 | 7.2 | 7.4 | 7.46 | 7.73 | 7.8 | 7.56 | 7.06 |
| 14 | 7.08 | 7.29 | 7.56 | 7.7 | 7.94 | 8.19 | 7.99 | 7.4 |
| 16 | 7.12 | 7.33 | 7.66 | 7.92 | 8.14 | 8.46 | 8.46 | 7.7 |
| 20 | 7.22 | 7.42 | 7.74 | 8.22 | 8.51 | 8.92 | 9.5 | 8.44 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.1° | 3.46 | 144.7° | 3.8 |
| 8 | 40.7° | 4.16 | 148.1° | 4.75 |
| 10 | 40.3° | 4.64 | 148.8° | 5.57 |
| 12 | 39.5° | 4.86 | 150.3° | 6.12 |
| 14 | 39.1° | 4.94 | 174.1° | 6.45 |
| 16 | 38.9° | 4.98 | 176.9° | 7.01 |
| 20 | 39° | 5.06 | 177.9° | 7.69 |
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